Trichanthera gigantea

Primary tabs

Trichanthera gigantea

Content

<<<Branches>Older branches>Lenticels>Diameter

ca. 1 mm in diam.1
1. 002-003-001-002

<<<Branches>Older branches>Lenticels>Shape

round2
2. 002-003-001-001

<<<Branches>Tip>Hairs>Colour

brown3
3. 002-002-001-001

<<<Calyx>Corolla>Limbs>Width

12-15 mm wide4
4. 005-004-006-001

<<<Calyx>Corolla>Lobes>Dimensions

8-10 x 3-6 mm5
5. 005-004-007-002

<<<Calyx>Corolla>Lobes>Shape

oblong to oblong-ovate6
6. 005-004-007-001

<<<Calyx>Corolla>Throat>Shape

campanulate7
7. 005-004-005-001

<<<Calyx>Corolla>Tube>Length

10-15 mm long8
8. 005-004-004-001

<<<Calyx>Corolla>Tube>Shape

sometimes slightly swollen or curved9
9. 005-004-004-002

<<<Calyx>Ovary>Stigma>Length

2 mm long10
10. 005-006-002-001

<<<Calyx>Stamens>Anthers>Colour

greenish-brown11
11. 005-005-003-001

<<<Calyx>Stamens>Anthers>Dimensions

6 x 1.5-2 mm12
12. 005-005-003-002

<<<Calyx>Stamens>Anthers>Shape

apiculate apically13
13. 005-005-003-003

<<<Calyx>Stamens>Filaments>Hairs

pilose14
14. 005-005-002-002

<<<Calyx>Stamens>Filaments>Length

25-27 mm long15
15. 005-005-002-001

<<<Inflorescences>Bracts and bracteoles>Hairs>Colour

brown16
16. 004-004-003-001

<<<Petiole>Blade>Apex>Shape

acuminate17
17. 003-004-004-001

<<<Petiole>Blade>Base>Shape

attenuate18
18. 003-004-005-001

<<<Petiole>Blade>Margins>Margin type

entire to undulate19
19. 003-004-006-001

<<Branches>Older branches>Lenticels

lenticellate, lenticels prominent, ,20
20. 002-003-001

<<Branches>Tip>Hairs

minutely -tomentose giving pale-buff appearance21
21. 002-002-001

<<Calyx>Corolla>Colour

yellowish and scarlet22
22. 005-004-002

<<Calyx>Corolla>Hairs

glabrous proximally, silky-tomentose distally, glabrous within23
23. 005-004-003

<<Calyx>Corolla>Length

30-40 mm long24
24. 005-004-001

<<Calyx>Corolla>Limbs

limb ,25
25. 005-004-006

<<Calyx>Corolla>Lobes

lobes , ;26
26. 005-004-007

<<Calyx>Corolla>Throat

throat ,27
27. 005-004-005

<<Calyx>Corolla>Tube

tube , ,28
28. 005-004-004

<<Calyx>Hairs>Colour

pale green, sometimes tinged purple, brown29
29. 005-002-001

<<Calyx>Lobes>Dimensions

7-10 x 5 mm30
30. 005-003-001

<<Calyx>Lobes>Shape

apically rounded31
31. 005-003-002

<<Calyx>Ovary>Hairs

tomentose32
32. 005-006-001

<<Calyx>Ovary>Stigma

stigma lobe .33
33. 005-006-002

<<Calyx>Stamens>Anthers

anthers , , bluntly , bearded along sutures;34
34. 005-005-003

<<Calyx>Stamens>Filaments

filaments , ,35
35. 005-005-002

<<Calyx>Stamens>Relative distance

exserted about 10 mm beyond tips of corolla lobes36
36. 005-005-001

<<Capsules>Seeds>Diameter

3-4 mm in diam.37
37. 006-004-001

<<Capsules>Seeds>Hairs

glabrous38
38. 006-004-002

<<Inflorescences>Bracts and bracteoles>Dimensions

3 x 2 mm39
39. 004-004-002

<<Inflorescences>Bracts and bracteoles>Hairs

-tomentose40
40. 004-004-003

<<Inflorescences>Bracts and bracteoles>Shape

triangular41
41. 004-004-001

<<Inflorescences>Hairs>Colour

brown42
42. 004-003-001

<<Petiole>Blade>Apex

apex ,43
43. 003-004-004

<<Petiole>Blade>Base

base ,44
44. 003-004-005

<<Petiole>Blade>Dimensions

13-26 x 6-14 cm45
45. 003-004-002

<<Petiole>Blade>Hairs

glabrous or nearly so on upper surface, somewhat glaucous, sparsely to moderately pubescent on lower surface on primary vein and secondary veins46
46. 003-004-003

<<Petiole>Blade>Margins

margin .47
47. 003-004-006

<<Petiole>Blade>Shape

ovate to oblong48
48. 003-004-001

<Branches>Older branches

older branches49
49. 002-003

<Branches>Shape

quadrate, angles rounded50
50. 002-001

<Branches>Tip

tips51
51. 002-002

<Calyx>Corolla

corolla , , ,52
52. 005-004

<Calyx>Hairs

-tomentose53
53. 005-002

<Calyx>Length

10-12 mm long54
54. 005-001

<Calyx>Lobes

lobes , ;55
55. 005-003

<Calyx>Ovary

ovary ,56
56. 005-006

<Calyx>Stamens

stamens ,57
57. 005-005

<Capsules>Dimensions

17-20 x 6-7 x 5-6 mm58
58. 006-001

<Capsules>Hairs

pubescent with closely appressed trichomes59
59. 006-002

<Capsules>Seeds

seeds , .60
60. 006-004

<Capsules>Shape

obtuse and minutely apiculate apically61
61. 006-003

<Habit>Height

5-25 m high62
62. 001-001

<Inflorescences>Bracts and bracteoles

bracts and bracteoles , , .63
63. 004-004

<Inflorescences>Dimensions

3-8 x 2-3 cm64
64. 004-002

<Inflorescences>Hairs

peduncle and pedicel -tomentose;65
65. 004-003

<Inflorescences>Position

terminal66
66. 004-001

<Petiole>Blade

blade , , ,67
67. 003-004

<Petiole>Hairs

glabrous or minutely pubescent68
68. 003-003

<Petiole>Length

1-5 cm long69
69. 003-001

<Petiole>Shape

channeled70
70. 003-002

Branches

Branches , ,71
71. 002

Calyx

Calyx , ,72
72. 005

Capsules

Capsule , silky , ;73
73. 006

Description

Large shrub or tree, 5-25 m high. Branches quadrate, angles rounded, tips minutely brown-tomentose giving pale-buff appearance, older branches lenticellate, lenticels prominent, round, ca. 1 mm in diam.Petiole 1-5 cm long, channeled, glabrous or minutely pubescent; blade ovate to oblong, 13-26 x 6-14 cm, glabrous or nearly so on upper surface, somewhat glaucous, sparsely to moderately pubescent on lower surface on primary vein and secondary veins, apex acuminate, base attenuate, margin entire to undulate. Inflorescence a terminal, loosely branched, more or less secund panicle of 3-8 x 2-3 cm; peduncle and pedicel brown-tomentose; bracts and bracteoles triangular, 3 x 2 mm, brown-tomentose. Calyx 10-12 mm long, pale green, sometimes tinged purple, brown-tomentose, lobes 7-10 x 5 mm, apically rounded; corolla 30-40 mm long, yellowish and scarlet, glabrous proximally, silky-tomentose distally, glabrous within, tube 10-15 mm long, sometimes slightly swollen or curved, throat campanulate, limb 12-15 mm wide, lobes oblong to oblong-ovate, 8-10 x 3-6 mm; stamens exserted about 10 mm beyond tips of corolla lobes, filaments 25-27 mm long, pilose, anthers greenish-brown, 6 x 1.5-2 mm, bluntly apiculate apically, bearded along sutures; ovary tomentose, stigma lobe 2 mm long. Capsule 17-20 x 6-7 x 5-6 mm, silky pubescent with closely appressed trichomes, obtuse and minutely apiculate apically; seeds 3-4 mm in diam., glabrous.

Distribution

Guyana present, Southern America, Suriname present
Guyana, Suriname and Brazil; 29 collections studied (GU: 13; SU: 16).

Habit

Large shrub or tree, .74
74. 001

Inflorescences

Inflorescence a , loosely branched, more or less secund panicle of ;75
75. 004

Notes

In the Guianas only: var. guianensis Gleason.

Petiole

Petiole , , ;76
76. 003