Trichostigma octandrum

Primary tabs

Trichostigma octandrum

<<<Leaves>Petiole>Hairs>Length

1-3.7 cm long1
1. 003-002-002-001

<<<Tepals>Ovary>Stigma>Stigma number

12
2. 005-004-004-001

<<Fruits>Seeds>Colour

black, shining3
3. 006-004-001

<<Fruits>Seeds>Length

4-6 mm4
4. 006-004-002

<<Inflorescences>Bracteoles>Bracteole number

25
5. 004-006-001

<<Inflorescences>Bracteoles>Length

ca. 0.5 mm long6
6. 004-006-003

<<Inflorescences>Bracteoles>Shape

triangular7
7. 004-006-002

<<Inflorescences>Bracts>Length

1-2 mm long8
8. 004-005-002

<<Inflorescences>Bracts>Shape

lance-linear9
9. 004-005-001

<<Inflorescences>Pedicels>Length

3-10 mm long10
10. 004-004-001

<<Leaves>Petiole>Base

base of petiole persistent, peg-like on old stems.11
11. 003-002-003

<<Leaves>Petiole>Hairs

sparsely pubescent, , glabrous12
12. 003-002-002

<<Leaves>Petiole>Shape

canaliculate13
13. 003-002-001

<<Leaves>Shape>Dimensions

5-15 x 2-6 cm14
14. 003-001-001

<<Tepals>Ovary>Hairs

glabrous15
15. 005-004-002

<<Tepals>Ovary>Shape

subglobose16
16. 005-004-001

<<Tepals>Ovary>Stigma

stigma .17
17. 005-004-004

<<Tepals>Ovary>Style

style very short,18
18. 005-004-003

<<Tepals>Shape>Dimensions

3-5 x 2.5-3 mm19
19. 005-001-001

<<Tepals>Stamens>Anthers

anthers basally sagittate and deeply incised at apex;20
20. 005-003-002

<<Tepals>Stamens>Stamen number

8-1221
21. 005-003-001

<<Wood>Bark>Colour

greyish-purple22
22. 001-002-001

<Branches>Hairs

minutely puberulent23
23. 002-001

<Fruits>Colour

red, purple, black or brown24
24. 006-003

<Fruits>Seeds

seed , .25
25. 006-004

<Fruits>Shape

subglobose26
26. 006-001

<Fruits>Width

4.5-5.5 mm wide27
27. 006-002

<Inflorescences>Bracteoles

bracteoles , scale-like, , , immediately below perianth.28
28. 004-006

<Inflorescences>Bracts

bracts , , deciduous;29
29. 004-005

<Inflorescences>Flower number

laxly to rather densely many-flowered30
30. 004-001

<Inflorescences>Length

to 13 cm long31
31. 004-002

<Inflorescences>Pedicels

pedicels ;32
32. 004-004

<Inflorescences>Position

often pseudo-axillary33
33. 004-003

<Leaves>Petiole

petiole , ,34
34. 003-002

<Leaves>Shape

oblong, elliptical or lanceolate (rarely ovate), , acute or acuminate at apex, cuneate to acute or rounded at base35
35. 003-001

<Tepals>Colour

greenish-white or white in flower, turning red, purple or purplish-pink in fruit36
36. 005-002

<Tepals>Ovary

ovary , ,37
37. 005-004

<Tepals>Shape

ovate or obovate, , concave, obtuse38
38. 005-001

<Tepals>Stamens

stamens , free,39
39. 005-003

<Wood>Bark

bark .40
40. 001-002

<Wood>Height

to 10 m41
41. 001-001

Branches

Branches long, slender, .42
42. 002

Description

Woody shrub or liana to 10 m; bark greyish-purple. Branches long, slender, minutely puberulent. Leaves oblong, elliptical or lanceolate (rarely ovate), 5-15 x 2-6 cm, acute or acuminate at apex, cuneate to acute or rounded at base; petiole canaliculate, sparsely pubescent, 1-3.7 cm long, glabrous, base of petiole persistent, peg-like on old stems. Inflorescence a laxly to rather densely many-flowered raceme to 13 cm long, often pseudo-axillary on very short, leafless shoots; pedicels 3-10 mm long; bracts lance-linear, 1-2 mm long, deciduous; bracteoles 2, scale-like, triangular, ca. 0.5 mm long, immediately below perianth. Tepals ovate or obovate, 3-5 x 2.5-3 mm, concave, obtuse, greenish-white or white in flower, turning red, purple or purplish-pink in fruit; stamens 8-12, free, anthers basally sagittate and deeply incised at apex; ovary subglobose, glabrous, style very short, stigma 1. Fruit subglobose, 4.5-5.5 mm wide, red, purple, black or brown; seed black, shining, 4-6 mm.

Distribution

French Guiana present, Guyana present, New World tropics present, Southern America, southern Brazil present, southern Florida present
New World tropics, from southern Florida and West Indies, to southern Brazil; in Guyana and French Guiana (see note); 55 collections studied (GU: 3).

Fruits

Fruit , , ;43
43. 006

Individuals Association

Guyana, without locality, Jenman 2192 Guyana, Providence, Berbice, Jenman 5151 Guyana, Demerara, Georgetown Botanic Garden, Fairchild s.n.

Inflorescences

Inflorescence a raceme , on very short, leafless shoots;44
44. 004

Leaves

Leaves ;45
45. 003

Notes

Lemée (1955), cites from French Guiana an Aublet specimen in the Denaiffe Herbarium, described by under Rivina octandra.

Tepals

Tepals , ;46
46. 005

Wood

Woody shrub or liana ;47
47. 001