TRIp 21: CeNTRal sURIName NaTURe ReseRve
II. Collecting Localities
Iwokrama Rainforest Reserve; Essequibo River between Kurupukari and Post Arinda Inlet. 25 September 1995.
4°45′46″N 58°43′58″W, elevation 60–80 m.
Collections: 217–217.
Open riverside vegetation.
Iwokrama Rainforest Reserve; Post Arinda Inlet at Es- sequibo River and Burro- Burro River. 25 September 1995.
4°45′46″N 58°43′58″W, elevation 60–80 m.
Collections: 218–226.
Swamp with Mauritia, Clusia, Cyperaceae, Chlorocardium.
Iwokrama Rainforest Reserve; Post Arinda Inlet/Burro- Burro River transect, km 1.6–1.8. 26 September 1995.
4°45′46″N 58°48′0″W, elevation 60–80 m.
Collections: 227–235.
With Mora, Pentaclethra, Inga, and Cecropia; white sand with Chlorocardium.
Iwokrama Rainforest Reserve; N side of Burro- Burro River, C–D transect. 27 September 1995.
4°33′0″N 58°50′30″W, elevation 60–90 m.
Collections: 236–258.
Seasonally flooded white sand, now dry; Humiria- Clusia savanna; white sand forest with Mauritia; white sand with Mora, Chlorocardium, Inga, and Eperua.
Iwokrama Rainforest Reserve; Burro- Burro River be- tween Dunari Rapids and confluence with Siparuni River.
4°32′N 58°50′W, elevation 60–65 m. 28 September 1995.
Collections: 259–291.
Riverside vegetation.
Iwokrama Rainforest Reserve; Essequibo River, 0–5 km S of Kurupukari Field Station. 30 September 1995.
4°40′33″N 58°40′58″W, elevation 60 m.
Collections: 292–311.
Riparian vegetation.
Riverbank and seasonally inundated rocks in the river.
Iwokrama Rainforest Reserve; Essequibo River, near Akromukru Falls, Akromukru transect, km 2.0–5.0. 3 Oc- tober 1995.
4°20′N 58°30′W, elevation 70–90 m.
Collections: 312–327.
Seasonally flooded white sand with Geonoma, Ma- rantaceae, Chlorocardium, and Mora.
Iwokrama Rainforest Reserve; Essequibo River, Lady- smith Creek transect. 4 October 1995.
4°17′2″N 58°30′29″W, elevation 75–100 m.
Collections: 328–339.
White sand and brown sand with Mora.
Iwokrama Rainforest Reserve; Essequibo River between Ladysmith Creek and Akromukru Rapids. 5 October 1995.
4°17′N 58°29′W, elevation 75 m.
Collections: 340–351.
Thicket of Montrichardia and Bamboo.
Iwokrama Rainforest Reserve; Essequibo River be- tween Akromukru Channel and Pisham Pisham Falls. 5 October 1995.
4°21′N 58°29′W, elevation 75 m.
Collections: 352–364.
Iwokrama Rainforest Reserve; Essequibo River, Pisham Pisham transect.
4°26′9″N 58°29′7″W, elevation 70–80 m.
Collections: 365–378.
On white sand and on brown sand with rock out- croppings.
Iwokrama Rainforest Reserve; Essequibo River, between Pisham Pisham Falls and Tiger Creek. 7 October 1995.
4°27′N 58°28′W, elevation 60–65 m.
Collections: 379–389.
Riparian vegetation.
Iwokrama Rainforest Reserve; Essequibo River, be- tween Tiger Creek and Kuratoka Rapids. 7 October 1995.
4°32′N 58°35′W, elevation 60 m.
Collections: 390–393.
Riparian vegetation.
Iwokrama Rainforest Reserve; Essequibo River, near Gold Falls. 7 October 1995.
4°38′N 58°38′W, elevation 60 m.
Collections: 394–400.
Riparian vegetation, seasonally submerged rocks (now exposed).
TRIp 2: IwOkRama RaINfOResT ReseRve collecTions: 401–703.
4 novemBer 1995–2 DecemBer 1995 Iwokrama Rainforest Reserve. 6 November 1995.
4°40′31″N 58°40′59″W, elevation 65 m.
Collections: 401. Collected with B. Hoffman.
Mora forest on brown sand.
Iwokrama Rainforest Reserve, Pakutau Falls on Sipa- runi River, S to Pakutau hills. 7–8 November 1995.
4°45′17″N 59°1′28″W, elevation 75–400 m.
Collections: 402–435. Collected with B. Hoffman.
Dense forest on red, sandy clay.
Iwokrama Rainforest Reserve; between Pakutau Falls and Ireng Creek on Siparuni River. 9 November 1995.
4°45′N 59°1′W, elevation 75 m.
Collections: 436–469.
Riparian vegetation above falls.
Iwokrama Rainforest Reserve; between Pakutau Falls and Levi Falls on Siparuni River. 10 November 1995.
4°45′N 59°1′W, elevation 75 m.
Collections: 470–483.
Riparian vegetation and seasonally submerged, rocky sand island in river.
Iwokrama Rainforest Reserve; 14 mi from Kuru- pukari on the Kurupukari–Annai Road. 14 November 1995.
4°27′30″N 58°47′36″W, elevation 80 m.
Collections: 484–512. Collected with B. Hoffman.
Dense forest on brown sand with Pentaclethra and Mora; roadside vegetation with Cecropia, Hamelia and Melastomataceae.
Iwokrama Rainforest Reserve; Burro- Burro River, W along a 5 km long transect.
4°38′7″N 58°49′27″W, elevation 75 m.
Collections: 513–538. Collected with B. Hoffman.
16–17 November 1995.
Dense forest and swamp forest on brown sand.
Iwokrama Rainforest Reserve; Burro- Burro River, near head of river.
4°38′7″N 58°49′27″W, elevation 75 m.
Collections: 539–542. Collected with B. Hoffman.
18 November 1995.
Dense forest on brown sand; with Mora, Pentacle- thra, Couepia, Cassia and Clusiaceae.
Iwokrama Rainforest Reserve; along Kurupukari–
Annai Road, near head of A–B transect. 20 November 1995.
4°35′N 58°44′W, elevation 75 m.
Collections: 543–573.
In low wet areas and along bank of small stream.
Iwokrama Rainforest Reserve; Iwokrama Mountains, at and near summit of unnamed peak S of base camp. 22 November 1995.
4°20′48″N 58°50′55″W, elevation 600–800 m.
Collections: 574–588. Collected with B. Hoffman.
Dense forest on brown sandy loam; with Symphonia, Caryocar, Lecythidaceae, Moronobea, Aspidosperma, Pouteria and Cordia nodosa.
Iwokrama Rainforest Reserve; Iwokrama Mountains, near base camp. 22 November 1995.
4°20′48″N 58°50′55″W, elevation 70 m.
Collections: 589–591. Collected with B. Hoffman.
On treefall in canopy gap; dense forest on brown sand; with Meliaceae and Catostemma.
Iwokrama Rainforest Reserve; 0–2 km ESE of base camp. 23 November 1995.
4°20′27″N 58°48′33″W, elevation 70–150 m.
Collections: 592–623. Collected with B. Hoffman.
Dense forest on brown sand, numerous rock outcrop- pings; with Licaria, Cassia and Meliaceae.
Iwokrama Rainforest Reserve; 2–3 km ESE of base camp. 24 November 1995.
4°20′N 58°48′W, elevation 150–250 m.
Collections: 624–647. Collected with B. Hoffman.
Creekbed.
Iwokrama Rainforest Reserve; Iwokrama Mountains, near summit peak 3 km E of base camp. 25 November 1995.
4°20′46″N 58°46′46″W, elevation 800–1,000 m.
Collections: 648–652.
Dense forest on brown sand; with Chlorocardium, Symphonia and Lecythis.
Iwokrama Rainforest Reserve; Iwokrama Mountains, along Kurupukari–Annai Road. 26 November 1995.
4°20′47″N 58°50′55″W, elevation 75 m.
Collections: 653–659. Collected with B. Hoffman.
Disturbed roadside vegetation.
Iwokrama Rainforest Reserve; Iwokrama Mountains, Kurupukari base camp. 27 November 1995.
4°40′31″N 58°40′59″W, elevation 65 m.
Collections: 660–662 and 684–692. Collected with B.
Hoffman.
Edge of dense forest on brown, alluvial sandy loam;
with Mora, Pentaclethra and Carapa.
Iwokrama Rainforest Reserve; Iwokrama Mountains, 8 mi from Kurupukari along Kurupukari–Annai Road. 27 November 1995.
4°35′12″N 58°44′40″W, elevation 70 m.
Collections: 663–673. Collected with B. Hoffman.
Disturbed roadside vegetation, creekbeds with white and brown sand.
Iwokrama Rainforest Reserve; Iwokrama Mountains, along Kurupukari–Annai Road, km 0.2–1.5. 28 Novem- ber 1995.
4°35′12″N 58°44′40″W, elevation 70–100 m.
Collections: 674–683. Collected with B. Hoffman.
Dense forest on brown sand.
Surama. 1 December 1995.
4°10′N 59°5′W, elevation 80 m.
Collections: 693–703.
Savanna vegetation.
TRIp 3–4: mabURa HIll;
CeIba eNvIRONmeNTal CeNTeR collecTions: 704–785.
30 DecemBer–14 January 1996
Mabura Hill, Demerara Timbers Ltd. Forest; S on Mabura Hill–Kurupukari Road. 30 December 1995.
5°11′39″N 58°42′15″W, elevation 60–80 m.
Collections: 704–726.
Dense forest on white sand.
Mabura Hill, Demerara Timbers Ltd. Forest; S on Mabura Hill–Kurupukari Road. 30 December 1995.
5°11′23″N 58°44′11″W, elevation 60–80 m.
Collections: 727–735.
Dense forest on white sand.
Tropenbos Field Station; 3 km S of Mabura Hill.
1 January 1996.
5°9′30″N 58°41′56″ W.
Collections: 736–740.
Disturbed open area, red gravelly clay.
Tropenbos Field Station; 20 km S of Mabura Hill on Mabura Hill–Kurupukari Road. 1 January 1996.
5°9′40″N 58°44′51″W, elevation 70–100 m.
Collections: 741–751.
Dense forest on white sand; with Eperua, Peltogyne and Licaria.
Mabura Hill, 30–32 km S on Mabura Hill– Kurupukari Road. 2–3 January 1996.
5°5′55″N 58°44′58″W, elevation 75–85 m.
Collections: 752–759.
Dense forest on brown sand.
Tropenbos Field Station; 3 km South of Mabura Hill.
4 January 1996.
5°9′30″N 58°41′56″ W.
Collections: 760–761.
Disturbed open area with red, gravelly clay; disturbed roadside vegetation on white sand.
Mabura Hill; 30 km N on Mabura Hill–Linden High- way. 4 January 1996.
5°30′N 58°35′W, elevation 60 m.
Collections: 762–767.
Disturbed roadside vegetation on white sand.
Mabura Hill; 60 km N on Mabura Hill–Linden High- way. 4 January 1996.
5°50′N 58°30′W, elevation 60 m.
Collections: 768–776.
Scrub vegetation on white sand.
CEIBA Environmental Center, adjacent to Soesdyke–
Linden Highway, property of Godfrey Bourne. 14 January 1996.
6°29′50″N 58°13′9″W, elevation 3–4 m.
Collections: 777–785.
Moori scrub (Humiria) vegetation on white sand;
Mauritia swamp forest on white sand with Mauritia, Pen- taclethra, and Mora.
TRIp 5–6: paRUIma aND paRamakaTOI collecTions: 786–1274.
22 JanuaryTo 27 feBruary 1996
Kamarang to Waramadon Trail. 23 January 1996.
5°50′N 60°39′W, elevation 550–600 m.
Collections: 786–803.
Disturbed forest on brown sand.
Kuroba, E on the Mazaruni River; 3 km N of conflu- ence of Kamarang River with Mazaruni River. 24 January 1996.
5°54′N 60°36′W, elevation 550–620 m.
Collections: 804–833.
Disturbed areas and dense forest on brown sand.
Paruima, 0–4 km N on trail N to Warimatipu, Holitipu and Kaikan. 27 January 1996.
5°50′N 61°4′W, elevation 490–690 m.
Collections: 834–858.
Disturbed scrub vegetation at edge of cassava field on alluvial soil; dense forest on brown sandy clay, with Mora gonggrijpii and Carapa; base of tepui.
Paruima–Utshi River trail to Venezuela junction. 29 January 1996.
5°41′11″N 61°7′6″W, elevation 1,000 m.
Collections: 859–872.
On white sand and sandstone, Trachypogon grassland and bush islands, with Clusiaceae and Humiriaceae.
Utshi River to Great Falls trail, on Kamarang River.
30 January 1996.
5°40′9″N 61°6′30″W, elevation 910 m.
Collections: 873–906.
Tepui grassland, with Trachypogon, Pteridium and Drosera.
Utshi River trail to Santa Elena, Venezuela. 31 Janu- ary 1996.
5°39′38″N 61°9′43″W, elevation 980 m.
Collections: 907–943.
Gallery forest and steep area in savanna adjacent to small stream.
Kamarang River, camp on trail from Paruima to Utshi River and Venezuela. 1 February 1996.
5°43′40″N 61°6′3″W, elevation 560 m.
Collections: 944–964.
Dense forest on brown sand, with Mora and Pentaclethra.
Waleliwatipu (Aymatoi), N of Paruima; in vic. of camp. 5 February 1996.
5°53′41″N 61°1′13″W, elevation 1,090 m.
Collections: 965–1027.
Savanna and gallery forest vegetation, with Trachypo- gon, Clusia and Humiria.
Holitipu, trail between camp and airstrip and sur- rounding area. 7 February 1996.
5°59′19″N 61°3′36″W, elevation 1,100 m.
Collections: 1028–1075.
Tepui savannah and gallery forest.
Paruima to Konuktipu (Rain Mountain) trail. 11 Feb- ruary 1996.
5°48′N 61°3′W, elevation 600–620 m.
Collections: 1076–1107.
Disturbed forest on brown sandy clay, with Licania, Mora gonggrijpii, and Pentaclethra; dense secondary for- est on rock slope, with Heliconia, Piper, Cecropia and Bauhinia, secondary growth on hillside with brown sandy clay; with Trema, Cecropia and Piper.
Paruima, vic.; along Kamarang and Paruima Rivers.
12 February 1996.
5°49′N 61°4′W, elevation 500 m.
Collections: 1108–1128.
Riparian vegetation.
Paruima to Illubia Creek trail; near Kamarang River.
13 February 1996.
5°47′N 61°3′W, elevation 500 m.
Collections: 1129–1156.
Sand along river and dense forest.
Paramakatoi, 2 km S; trail to Paramaktipu. 21 Febru- ary 1996.
4°41′N 59°43′W, elevation 840–1,064 m.
Collections: 1157–1187. Collected with S. Grose.
Disturbed forest on brown sandy loam, with Hamelia, Miconia and Licania.
Paramakatoi, 0.5–4 km from; trail to Maikwak and Kowatipu. 22 February 1996.
4°43′N 59°42′W, elevation 680–760 m.
Collections: 1188–1234. Collected with S. Grose.
Dense forest on brown sand, with Pentaclethra, Car- apa, Lecythis, Eschweilera and Hymenolobium.
Paramakatoi, 0.5–6 km from; trail to Youwang and Monkey Mountain. 24 February 1996.
4°41′N 59°42′W, elevation 460–840 m.
Collections: 1235–1264. Collected with S. Grose.
Disturbed secondary forest on brown sand with rock outcroppings, with Pteridium, Eleusine and Tabebuia.
Paramakatoi, 0.5–2 km from; trail to Kato. 25 Febru- ary 1996.
4°42′N 59°44′W, elevation 685–790 m.
Collections: 1265–1274.
Dense forest on brown sand, with Mora, Pentaclethra and Aspidosperma.
TRIp 7: IwOkRama RaINfOResT ReseRve collecTions: 1275–1638. 14 march–16 aPril 1996
Iwokrama Rainforest Reserve; Akromukru Transect at Akromukru Falls, Essequibo River. 17 March 1996.
4°20′N 58°30′W, elevation 70–90 m.
Collections: 1275–1308.
Dense forest and semi- disturbed “liana forest”
(Pinzona, Bauhinia, Mora) on brown sand, and riparian vegetation near falls.
Iwokrama Rainforest Reserve; Akromukru Transect at Akromukru Falls, Essequibo River, km 3.0–5.0. 18 March 1996.
4°20′N 58°30′W, elevation 70–90 m.
Collections: 1309–1334.
Dense forest on brown sand, with Chlorocardium, Carapa, Jessenia, Clathropis, Mora, Socratea, and Ischnosiphon.
Iwokrama Rainforest Reserve; 5 km transect, near Lady smith Creek, Essequibo River. 19 March 1996.
4°17′4″N 58°30′28″W, elevation 75–100 m.
Collections: 1335–1347.
Dense forest on brown sand with Mora, Licana, Chlo- rocardium, Catostemma, Pinzona, and Bauhinia.
Iwokrama Rainforest Reserve; Essequibo River, near Ladysmith Creek. 19–21 March 1996.
4°17′4″N 58°30′28″W, elevation 65 m.
Collections: 1348–1396.
Riparian vegetation and dense forest on brown sand (with Mora, Clorocardium, and Catostemma).
Iwokrama Rainforest Reserve; Moco Moco II Creek, 20 mi. SW of Kurupukari on Kurupukari–Annai Road, near camp. 23 March 1996.
4°25′N 58°50′W, elevation 60 m.
Collections: 1397–1408.
Forest edge and interior on brown sand, with Mora, Pentaclethra, and Carapa.
Iwokrama Rainforest Reserve; Moco Moco II Creek, 20 mi. SW of Kurupukari on Kurupukari–Annai Road, 1 km NE of camp. 23 March 1996.
4°25′30″N 58°49′0″W, elevation 65 m.
Collections: 1409–1436.
Roadside vegetation, rock slope, and seasonally flooded dense forest on white sand with Mauritiella, Cat- ostemma, Parinari, Symphonia, Oenocarpus, and Eperua.
Iwokrama Rainforest Reserve; near summit of un- named peak, 20 mi. SW of Kurupukari on Kurupukari–
Annai Road. 24 March 1996.
4°25′N 58°49′W, elevation 300 m.
Collections: 1437–1443.
Dense forest on brown sandy clay, with Symphonia and Chrysophyllum.
Iwokrama Rainforest Reserve; Turtle Pond transect, Essequibo River, km 0.1–3.5. 27–28 March 1996.
4°45′30″N 58°45′0″W, elevation 60 m.
Collections: 1444–1470.
Dense forest on brown sand with Mora, Licania, Pentaclethra, Carapa, Chlorocardium; swamp forest on brown sand with Mora, Carapa, Apeiba.
Iwokrama Rainforest Reserve; Turtle Pond transect, 1 km E of 2.4 km transect point. 28 March 1996.
4°45′N 58°44′W, elevation 60 m.
Collections: 1471–1479.
Near lake, seasonally inundated forest on brown sand, with Inga, Eschweilera, Peltogyne.
Iwokrama Rainforest Reserve; Turtle Pond transect, 0.5 km E of 0.9 km transect point. 28 March 1996.
4°45′0″N 58°44′30″W, elevation 60 m.
Collections: 1480–1483.
Near lake, seasonally flooded swamp forest on brown sand with rock outcroppings, with Eperua, Astrocaryum, Diospyros.
Iwokrama Rainforest Reserve; Turtle Pond camp, Es- sequibo River. 28 March 1996.
4°45′0″N 58°44′30″W, elevation 60 m.
Collections: 1484–1485.
Dense forest on brown sand with Mora and Aspidosperma.
Iwokrama Rainforest Reserve; Burro- Burro River transect, km 0–1.0, Sandstone. 30 March 1996.
4°23′16″N 58°55′2″W, elevation 65 m.
Collections: 1486–1516.
Dense forest on brown sand with Mora, Socratea, Chlorocardium and Nectandra; disturbed forest on rock outcroppings with Heliconia and Borreria.
Iwokrama Rainforest Reserve; Burro- Burro River, be- tween Sandstone and confluence of Sipariparu River. 31 March 1996.
4°23′16″N 58°55′2″W, elevation 65 m.
Collections: 1517–1558.
Riparian vegetation.
Iwokrama Rainforest Reserve; Surama, transect heading NW from Kurupukari–Annai road, km 0.1–0.8.
3 April 1996.
4°14′N 59°0′W, elevation 70 m.
Collections: 1559–1566.
Dense forest on brown sand with ‘komakaballi,’ At- talea, Oenocarpus; and disturbed roadside vegetation on laterite with Cecropia, Heliconia, and Trema.
Iwokrama Rainforest Reserve; Annai, transect head- ing SE from Kurupukari–Annai road, km 0.1–1.2.
4°14′N 59°0′W, elevation 70 m. 4 April 1996.
Collections: 1567–1575.
Dense forest on brown sand, with Phenakospermum, Euterpe, Goupia, Cieba, Cedrela.
Iwokrama Rainforest Reserve; Surama. 5 April 1996.
4°9′N 59°4′W. elevation 70 m.
Collections: 1576–1604.
Savanna vegetation, with Trachypogon, Curatella, Byrsonima.
Omai, Toolsie Persaud Forest Concession. 12 April 1996.
5°31′48″N 58°41′52″W, elevation 45 m.
Collections: 1605–1611.
Dense forest on brown sand, with Peltogyne, Licania, Oenocarpus.
Tamour, 18 mi from Toolsie Persaud Forest Head- quarters, Essequibo River. 13 April 1996.
5°36′57″N 58°45′0″W, elevation 50 m.
Collections: 1612–1632.
Dense forest on brown sand, with Eschweilera, Mora, Eperua.
Mabura Hill Forest Reserve; 13 km S of Mabura Hill.
14 April 1996.
5°10′2″N 58°42′44″W, elevation 60 m.
Collections: 1633–1638.
Dense forest on white sand, with Licania, Aspido- sperma, Eperua.
TRIp 8: easTeRN kaNUkU mOUNTaINs collecTions: 1639–2069. 21 may–15 June 1996
Dadanawa Ranch, near Ranch Compound. 22 May 1996.
2°50′N 59°31′W, elevation 100–120 m.
Collections: 1639–1670. Collected with T. McPherson.
Savanna and gallery forest on sandy clay soil, with Ziziphus, Anacardium and Trachypogon.
Rupununi River landing, on trail from Dadanawa to Kotinarub Village. 23 May 1996.
2°50′N 59°31′W, elevation 100 m.
Collections: 1671–1704. Collected with T. McPherson.
Gallery forest, with Cereus, Tabebuia and Astro- caryum; savanna and bush islands, with Curatella, Ruel- lia, Trachypogon, Byrsonima and Curatella.
Sand Creek Village; savanna N of village. 27 May 1996.
2°59′46″N 59°31′18″W, elevation 100 m.
Collections: 1705–1760. Collected with T. McPherson.
Savanna vegetation on sandy clay soil with Trachy- pogon, Curatella and Cyperaceae; dense forest on brown sandy clay with Bombax, Ficus and Aspidosperma.
Sand Creek to Shea Village. 28 May 1996.
2°58′44″N 59°31′12″W, elevation 100 m.
Collections: 1761–1806. Collected with T. McPherson.
Savanna and scrub vegetation, with Curatella, Co- chlospermum and Vitex.
Sand Creek (Katiwau Creek)–Rupununi River conflu- ence. 29 May 1996.
2°58′N 59°31′ W.
Collections: 1807–1812. Collected with T. McPherson.
Gallery forest, with Vitex, Astrocaryum and Inga.
Rupununi River–Crabwood Creek confluence, 10 km E of camp, summit of unnamed peak. 30 May 1996.
3°10′N 59°24′ W.
Collections: 1813–1842. Collected with T. McPherson.
Dense forest on brown sand, with Clusia, Catostemma and Eschweilera.
Makawatta massif, westernmost part. 31 May 1996.
3°5′24″N 59°26′43″W, elevation 250 m.
Collections: 1843–1864. Collected with T. McPherson.
Area at and summit of unnamed peak.
Rupununi River–Crabwood Creek confluence. 1 June 1996.
3°10′37″N 59°24′16″W, elevation 100 m.
Collections: 1865–1875. Collected with T. McPherson.
Area near camp.
Maparri River, at base of waterfall. 2 June 1996.
3°20′1.8″N 59°15′16.1″ W.
Collections: 1876–1879. Collected with T. McPherson.
Dense forest on brown sand, with Mora, Socratea and Licania.
Maparri River, S bank, 0–6 km from camp at base of waterfall. 3 June 1996.
3°20′1.8″N 59°15′16.1″ W.
Collections: 1880–1928. Collected with T. McPherson.
Dense forest and streamside vegetation on brown sand, with Mora, Aspidosperma, Socratea and Euterpe.
Maparri Creek, N side; opposite camp at base of water fall. 4 June 1996.
3°20′1.8″N 59°15′16.1″ W.
Collections: 1929–2012. Collected with T. McPherson.
Streamside vegetation and dense forest on brown sand, with Ceiba, Virola and Aspidosperma.
Maparri River, N side; 3–8 km ENE of camp at base of waterfall. 6 June 1996.
3°20′1.8″N 59°15′16.1″ W.
Collections: 2013–2035. Collected with T. McPherson.
Dense forest on brown sand and laterite, with Coura- tari, Manilkara and Parinari.
Maparri River, peak 3 km N of camp at base of water- fall. 7 June 1996.
3°20′28.9″N 59°14′47.4″ W.
Collections: 2036–2053. Collected with T. McPherson.
Dense forest on brown sand with rock outcroppings, with Manilkara, Lecythis and Oenocarpus.
Maparri River, Small Mountain, 2 km S of camp at base of waterfall. 8 June 1996.
3°20′1.8″N 59°15′16.1″ W.
Collections: 2054–2068. Collected with T. McPherson.
Dense forest on brown sand, with Socratea, Pouteria and Manilkara.
Rupununi River, 5 km S of confluence with Maparri River. 9 June 1996.
3°20′1.8″N 59°15′16.1″ W.
Collections: 2069–2069. Collected with T. McPherson.
Riparian vegetation, with Inga, Astrocaryum and Montrichardia.