Coussapoa argentea

<<<Stipules>Blade>Apex>Shape

obtuse to acuminate1

1. 003-004-004-001

<<<Stipules>Blade>Base>Hairs

glabrous above, puberulous and with dense, silvery, arachnoid hairs beneath, disappearing with age2

2. 003-004-005-002

<<<Stipules>Blade>Base>Shape

obtuse3

3. 003-004-005-001

<<<Stipules>Secondary veins>Tertiary veins>Shape

slightly prominent to plane4

4. 003-005-002-001

<<Branchlets>Hairs>Colour

brownish-puberulous to -strigose or partly -hirsute, and with brown to white5

5. 002-002-001

<<Pistillate inflorescences>Common peduncle>Length

2-3.5 cm long6

6. 005-002-001

<<Pistillate inflorescences>Head>Diameter

ca. 0.4 cm in diam.7

7. 005-001-001

<<Staminate inflorescences>Common peduncle>Length

2-3 cm long8

8. 004-002-001

<<Staminate inflorescences>Head>Diameter

ca. 0.2-0.3 cm in diam.9

9. 004-001-002

<<Staminate inflorescences>Head>Head number

numerous10

10. 004-001-001

<<Staminate inflorescences>Stamens>Relative dimensions

exceeding the perianth11

11. 004-003-002

<<Staminate inflorescences>Stamens>Stamen number

212

12. 004-003-001

<<Stipules>Blade>Apex

apex ,13

13. 003-004-004

<<Stipules>Blade>Base

base , ;14

14. 003-004-005

<<Stipules>Blade>Dimensions

2-12 x 1-6 cm15

15. 003-004-003

<<Stipules>Blade>Shape

obovate to elliptic, (to ovate or to narrowly elliptic)16

16. 003-004-002

<<Stipules>Blade>Texture

coriaceous17

17. 003-004-001

<<Stipules>Hairs>Colour

whitish, straight hairs and brownish18

18. 003-002-001

<<Stipules>Petiole>Length

1-2 cm long19

19. 003-003-001

<<Stipules>Secondary veins>Secondary vein pair number

2-3(-4) pairs20

20. 003-005-001

<<Stipules>Secondary veins>Tertiary veins

tertiary venation .21

21. 003-005-002

<Branchlets>Hairs

, arachnoid hairs22

22. 002-002

<Branchlets>Thickness

3-5 mm thick23

23. 002-001

<Habit>Height

up to 30 m tall24

24. 001-001

<Interfloral bracts>Bract number

sometimes only a few25

25. 006-001

<Pistillate inflorescences>Common peduncle

common peduncle .26

26. 005-002

<Pistillate inflorescences>Head

heads ;27

27. 005-001

<Staminate inflorescences>Common peduncle

common peduncle ;28

28. 004-002

<Staminate inflorescences>Head

heads , ;29

29. 004-001

<Staminate inflorescences>Stamens

stamens , .30

30. 004-003

<Stipules>Blade

blade , , ,31

31. 003-004

<Stipules>Hairs

with , curled to arachnoid hairs32

32. 003-002

<Stipules>Length

1-5 cm long33

33. 003-001

<Stipules>Petiole

petiole ;34

34. 003-003

<Stipules>Secondary veins

secondary veins , basal pair unbranched, reaching the margin above the middle of the blade,35

35. 003-005

Branchlets

Branchlets , .36

36. 002

Description

Tree up to 30 m tall. Branchlets 3-5 mm thick, brownish-puberulous to -strigose or partly -hirsute, and with brown to white, arachnoid hairs. Stipules 1-5 cm long, with whitish, straight hairs and brownish, curled to arachnoid hairs; petiole 1-2 cm long; blade coriaceous, obovate to elliptic, (to ovate or to narrowly elliptic), 2-12 x 1-6 cm, apex obtuse to acuminate, base obtuse, glabrous above, puberulous and with dense, silvery, arachnoid hairs beneath, disappearing with age; secondary veins 2-3(-4) pairs, basal pair unbranched, reaching the margin above the middle of the blade, tertiary venation slightly prominent to plane. Staminate inflorescences branched; heads numerous, ca. 0.2-0.3 cm in diam.; common peduncle 2-3 cm long; stamens 2, exceeding the perianth. Pistillate inflorescences unbranched; heads ca. 0.4 cm in diam.; common peduncle 2-3.5 cm long. Interfloral bracts present, sometimes only a few.

Distribution

Bolivar present, Guyana, Southern America: Venezuela (Venezuela present)

Venezuela (Bolivar), to be expected in Guyana.

Habit

Tree .37

37. 001

Interfloral bracts

Interfloral bracts present, .38

38. 006

Pistillate inflorescences

Pistillate inflorescences unbranched;39

39. 005

Staminate inflorescences

Staminate inflorescences branched;40

40. 004

Stipules

Stipules , ;41

41. 003

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