Chorisepalum rotundifolium

<<<Flowers>Calyx>Apex>Shape

acuminate1

1. 005-002-004-001

<<<Flowers>Calyx>Lobes>Dimensions

15-22 x 7-11 mm2

2. 005-002-002-002

<<<Flowers>Calyx>Lobes>Shape

narrowly ovate-elliptic3

3. 005-002-002-001

<<<Flowers>Corolla>Apex>Shape

acute to long-acuminate4

4. 005-003-006-001

<<<Flowers>Corolla>Lobes>Dimensions

9-12 x 3-4 mm5

5. 005-003-005-002

<<<Flowers>Corolla>Lobes>Shape

ovate6

6. 005-003-005-001

<<<Flowers>Stamens>Anthers>Colour

yellow7

7. 005-004-002-001

<<<Flowers>Stamens>Anthers>Length

2-4 mm long8

8. 005-004-002-003

<<<Flowers>Stamens>Anthers>Shape

linear-oblong9

9. 005-004-002-002

<<<Flowers>Stamens>Filaments>Length

ca. 4-5 mm long10

10. 005-004-001-001

<<<Leaves>Blade>Apex>Shape

rounded, sometimes mucronate11

11. 003-002-006-001

<<<Leaves>Blade>Base>Shape

rounded to cuneate12

12. 003-002-007-001

<<<Leaves>Blade>Margins>Growth form

recurved13

13. 003-002-005-001

<<Branches>Internodes>Length

1.5-6 cm long14

14. 002-003-001

<<Flowers>Calyx>Apex

apex ;15

15. 005-002-004

<<Flowers>Calyx>Colour

green16

16. 005-002-001

<<Flowers>Calyx>Lobes

lobes , ,17

17. 005-002-002

<<Flowers>Calyx>Margins

margin scarcely hyaline,18

18. 005-002-003

<<Flowers>Corolla>Apex

apex ;19

19. 005-003-006

<<Flowers>Corolla>Colour

green to brownish20

20. 005-003-001

<<Flowers>Corolla>Length

25-30 mm long21

21. 005-003-003

<<Flowers>Corolla>Lobes

lobes , ,22

22. 005-003-005

<<Flowers>Corolla>Shape

salver-shaped23

23. 005-003-002

<<Flowers>Corolla>Width

7-11 mm wide at mouth24

24. 005-003-004

<<Flowers>Stamens>Anthers

anthers , , , straight to slightly bent;25

25. 005-004-002

<<Flowers>Stamens>Filaments

filaments , straight,26

26. 005-004-001

<<Fruits>Seeds>Colour

light brown27

27. 006-005-001

<<Fruits>Seeds>Diameter

0.7-1.5 mm in diam.28

28. 006-005-002

<<Inflorescences>Bracts>Dimensions

1-3 x 2-3 mm29

29. 004-002-002

<<Inflorescences>Bracts>Shape

ovate-triangular30

30. 004-002-001

<<Inflorescences>Flower number per inflorescence>Flower number

1-8-flowered31

31. 004-001-001

<<Inflorescences>Pedicels>Length

8-11 mm long32

32. 004-003-001

<<Leaves>Blade>Apex

apex ,33

33. 003-002-006

<<Leaves>Blade>Base

base .34

34. 003-002-007

<<Leaves>Blade>Colour

dull above35

35. 003-002-002

<<Leaves>Blade>Dimensions

1.8-7.2(-14.2) x 1.2-5.3(-11) cm36

36. 003-002-004

<<Leaves>Blade>Margins

margin slightly to strongly ,37

37. 003-002-005

<<Leaves>Blade>Shape

obovate, suborbicular to elliptic38

38. 003-002-003

<<Leaves>Blade>Texture

coriaceous to thickly coriaceous39

39. 003-002-001

<<Leaves>Petiole>Length

0.4-1 cm long40

40. 003-001-001

<Branches>Diameter

0.9 cm in diam.41

41. 002-001

<Branches>Internodes

internodes .42

42. 002-003

<Branches>Shape

terete to slightly quadrangular, not winged43

43. 002-002

<Flowers>Calyx

calyx ,44

44. 005-002

<Flowers>Corolla

corolla , , , ,45

45. 005-003

<Flowers>Growth form

erect46

46. 005-001

<Flowers>Pistil

pistil not seen.47

47. 005-006

<Flowers>Pollen

pollen exine coarsely reticulate;48

48. 005-005

<Flowers>Stamens

stamens reaching corolla mouth but not exserted,49

49. 005-004

<Fruits>Colour

green, becoming brown with age50

50. 006-002

<Fruits>Dimensions

11-20 x 8-9 mm51

51. 006-004

<Fruits>Growth form

erect52

52. 006-001

<Fruits>Seeds

seeds ,53

53. 006-005

<Fruits>Shape

ellipsoid54

54. 006-003

<Habit>Height

up to 4 m high55

55. 001-001

<Inflorescences>Bracts

bracts scale-like, , ;56

56. 004-002

<Inflorescences>Pedicels

pedicel .57

57. 004-003

<Leaves>Blade

blade , with conspicuous venation, , ,58

58. 003-002

<Leaves>Petiole

petiole ;59

59. 003-001

Branches

Branches , ;60

60. 002

Description

Shrub, up to 4 m high, branched. Branches 0.9 cm in diam., terete to slightly quadrangular, not winged; internodes 1.5-6 cm long. Leaves petiolate, evenly distributed; petiole 0.4-1 cm long; blade coriaceous to thickly coriaceous, dull above with conspicuous venation, obovate, suborbicular to elliptic, 1.8-7.2(-14.2) x 1.2-5.3(-11) cm, margin slightly to strongly recurved, apex rounded, sometimes mucronate, base rounded to cuneate. Inflorescence 1-8-flowered; bracts scale-like, ovate-triangular, 1-3 x 2-3 mm; pedicel 8-11 mm long. Flowers erect; calyx green, lobes narrowly ovate-elliptic, 15-22 x 7-11 mm, margin scarcely hyaline, apex acuminate; corolla green to brownish, salver-shaped, 25-30 mm long, 7-11 mm wide at mouth, lobes ovate, 9-12 x 3-4 mm, apex acute to long-acuminate; stamens reaching corolla mouth but not exserted, filaments ca. 4-5 mm long, straight, anthers yellow, linear-oblong, 2-4 mm long, straight to slightly bent; pollen exine coarsely reticulate; pistil not seen. Fruit erect, green, becoming brown with age, ellipsoid, 11-20 x 8-9 mm; seeds light brown, 0.7-1.5 mm in diam.

Distribution

Guyana present present, Mt. Roraima present present, Southern America: Venezuela (Venezuela present), tepuis in Bolívar state present

Venezuela (tepuis in Bolívar state), Guyana (Mt. Roraima); 8 collections studied, of which 1 from Mt. Roraima in Guyana, Persaud 152 (NY) (GU: 1).

Flowers

Flowers ;61

61. 005

Fruits

Fruit , , , ;62

62. 006

Habit

Shrub, , branched.63

63. 001

Inflorescences

Inflorescence ;64

64. 004

Leaves

Leaves petiolate, evenly distributed;65

65. 003

Phenology

Flowers reported , fruits .

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