Tachia smithii

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Tachia smithii

Content

<<<Flowers>Calyx>Apex>Shape

acute1
1. 004-001-005-001

<<<Flowers>Calyx>Lobes>Dimensions

6-11 x 3-5 mm2
2. 004-001-003-002

<<<Flowers>Calyx>Lobes>Shape

ovate3
3. 004-001-003-001

<<<Flowers>Calyx>Margins>Texture

membranaceous4
4. 004-001-004-001

<<<Flowers>Corolla>Apex>Colour

with darker tip5
5. 004-002-006-002

<<<Flowers>Corolla>Apex>Shape

acuminate6
6. 004-002-006-001

<<<Flowers>Corolla>Lobes>Dimensions

9-17 x 8-11 mm7
7. 004-002-005-002

<<<Flowers>Corolla>Lobes>Shape

ovate8
8. 004-002-005-001

<<<Flowers>Pistil>Ovary>Length

8 mm long9
9. 004-005-002-001

<<<Flowers>Pistil>Stigma lobes>Dimensions

4-5 x 4-5 mm10
10. 004-005-004-002

<<<Flowers>Pistil>Stigma lobes>Shape

elliptic11
11. 004-005-004-001

<<<Flowers>Pistil>Style>Length

50 mm long12
12. 004-005-003-001

<<<Flowers>Stamens>Anthers>Colour

white13
13. 004-003-002-001

<<<Flowers>Stamens>Anthers>Length

3-4 mm long14
14. 004-003-002-003

<<<Flowers>Stamens>Anthers>Shape

elliptic15
15. 004-003-002-002

<<<Flowers>Stamens>Filaments>Length

35-57 mm long16
16. 004-003-001-001

<<<Leaves>Blade>Apex>Shape

acute to suddenly acuminate17
17. 003-002-005-001

<<<Leaves>Blade>Base>Shape

attenuate18
18. 003-002-006-001

<<<Leaves>Blade>Margins>Shape

flat19
19. 003-002-004-001

<<Branches>Internodes>Length

4.5-9 cm long20
20. 002-003-001

<<Flowers>Calyx>Apex

apex ;21
21. 004-001-005

<<Flowers>Calyx>Colour

yellowish green to green22
22. 004-001-001

<<Flowers>Calyx>Dimensions

17-25 x 6 mm23
23. 004-001-002

<<Flowers>Calyx>Lobes

lobes , ,24
24. 004-001-003

<<Flowers>Calyx>Margins

margin ,25
25. 004-001-004

<<Flowers>Corolla>Apex

apex , ;26
26. 004-002-006

<<Flowers>Corolla>Colour

white or light green27
27. 004-002-001

<<Flowers>Corolla>Length

65-73 mm long28
28. 004-002-003

<<Flowers>Corolla>Lobes

lobes , ,29
29. 004-002-005

<<Flowers>Corolla>Shape

funnel-shaped30
30. 004-002-002

<<Flowers>Corolla>Width

10-19 mm wide at mouth31
31. 004-002-004

<<Flowers>Pistil>Length

ca. 58 mm long32
32. 004-005-001

<<Flowers>Pistil>Ovary

ovary ,33
33. 004-005-002

<<Flowers>Pistil>Stigma lobes

stigma lobe , .34
34. 004-005-004

<<Flowers>Pistil>Style

style ,35
35. 004-005-003

<<Flowers>Stamens>Anthers

anthers , , , bent after anthesis;36
36. 004-003-002

<<Flowers>Stamens>Filaments

filaments , strongly bent towards apex,37
37. 004-003-001

<<Leaves>Blade>Apex

apex ,38
38. 003-002-005

<<Leaves>Blade>Base

base .39
39. 003-002-006

<<Leaves>Blade>Dimensions

10.3-18.1 x 3.2-7.2 cm40
40. 003-002-003

<<Leaves>Blade>Margins

margin ,41
41. 003-002-004

<<Leaves>Blade>Shape

elliptic42
42. 003-002-002

<<Leaves>Blade>Texture

membranaceous43
43. 003-002-001

<<Leaves>Petiole>Length

0.8-1.4 cm long44
44. 003-001-001

<Branches>Diameter

0.3-0.6 cm in diam.45
45. 002-001

<Branches>Internodes

internodes .46
46. 002-003

<Branches>Shape

terete, not winged47
47. 002-002

<Flowers>Calyx

calyx , ,48
48. 004-001

<Flowers>Corolla

corolla , , , ,49
49. 004-002

<Flowers>Pistil

pistil ,50
50. 004-005

<Flowers>Pollen

pollen exine unknown;51
51. 004-004

<Flowers>Stamens

stamens not extending beyond corolla lobes,52
52. 004-003

<Habit>Height

up to 4 m high53
53. 001-001

<Leaves>Blade

blade , , ,54
54. 003-002

<Leaves>Petiole

petiole ;55
55. 003-001

Branches

Branches , ;56
56. 002

Description

Small tree or shrub, up to 4 m high, branched. Branches 0.3-0.6 cm in diam., terete, not winged; internodes 4.5-9 cm long. Leaves petiolate, arranged along stem; petiole 0.8-1.4 cm long; blade membranaceous, elliptic, 10.3-18.1 x 3.2-7.2 cm, margin flat, apex acute to suddenly acuminate, base attenuate. Flowers solitary or in pairs; calyx yellowish green to green, 17-25 x 6 mm, lobes ovate, 6-11 x 3-5 mm, margin membranaceous, apex acute; corolla white or light green, funnel-shaped, 65-73 mm long, 10-19 mm wide at mouth, lobes ovate, 9-17 x 8-11 mm, apex acuminate, with darker tip; stamens not extending beyond corolla lobes, filaments 35-57 mm long, strongly bent towards apex, anthers white, elliptic, 3-4 mm long, bent after anthesis; pollen exine unknown; pistil ca. 58 mm long, ovary 8 mm long, style 50 mm long, stigma lobe elliptic, 4-5 x 4-5 mm. Fruit unknown.

Distribution

Akarai Mts. at the Guyanan-Brazilian border present, Guyana present
Known only from the Akarai Mts. at the Guyanan-Brazilian border; 2 collections studied, of which 1 from Guyana (GU: 1).

Flowers

Flowers solitary or in pairs;57
57. 004

Fruits

Fruit unknown.58
58. 005

Habit

Small tree or shrub, , branched.59
59. 001

Individuals Association

Guyana, U. Takutu- U. Essequibo Region, Akarai Mts., Kashinar Mt., summit and surrounding slopes, Henkel et al. 4914

Leaves

Leaves petiolate, arranged along stem;60
60. 003

Notes

This species is morphologically very close to T. grandiflora and is here only tentatively accepted until more material can be studied. The main difference is the more narrow corolla in T. smithii.

Phenology

Flowering specimens collected in .