Coutoubea humilis

<<<Flowers>Calyx>Apex>Shape

acuminate1

1. 005-001-004-001

<<<Flowers>Calyx>Calyx lobes>Dimensions

2-3.5 x 1-1.5 mm2

2. 005-001-003-001

<<<Flowers>Corolla>Apex>Shape

acute3

3. 005-002-005-001

<<<Flowers>Corolla>Corolla lobes>Dimensions

2.5-4 x 0.6-1.5 mm4

4. 005-002-004-002

<<<Flowers>Corolla>Corolla lobes>Growth form

erect5

5. 005-002-004-001

<<<Flowers>Filaments>Anthers>Colour

white or pale orange6

6. 005-003-003-001

<<<Flowers>Filaments>Anthers>Length

ca. 1 mm long7

7. 005-003-003-002

<<<Flowers>Ovary>Stigma lobes>Dimensions

0.5-1 x 0.5 mm8

8. 005-004-004-001

<<<Flowers>Ovary>Style>Length

2 mm long9

9. 005-004-003-001

<<<Inflorescences>Bracts and bracteoles>Basal bracts>Length

up to 10 mm long10

10. 004-004-004-001

<<<Leaves>Blade>Base>Shape

attenuate11

11. 003-002-004-001

<<Flowers>Calyx>Apex

apex ;12

12. 005-001-004

<<Flowers>Calyx>Calyx lobes

calyx lobes ,13

13. 005-001-003

<<Flowers>Calyx>Length

3-5 mm long14

14. 005-001-002

<<Flowers>Calyx>Texture

chartaceous15

15. 005-001-001

<<Flowers>Corolla>Apex

apex ;16

16. 005-002-005

<<Flowers>Corolla>Colour

white or tinged with green17

17. 005-002-001

<<Flowers>Corolla>Corolla lobes

corolla lobes , ,18

18. 005-002-004

<<Flowers>Corolla>Length

5-8 mm long19

19. 005-002-003

<<Flowers>Corolla>Texture

membranous20

20. 005-002-002

<<Flowers>Filaments>Anthers

anthers , ;21

21. 005-003-003

<<Flowers>Filaments>Colour

white22

22. 005-003-001

<<Flowers>Filaments>Length

2 mm long23

23. 005-003-002

<<Flowers>Ovary>Dimensions

3 x 1.5 mm24

24. 005-004-002

<<Flowers>Ovary>Shape

ovoid25

25. 005-004-001

<<Flowers>Ovary>Stigma lobes

stigma lobes .26

26. 005-004-004

<<Flowers>Ovary>Style

style ,27

27. 005-004-003

<<Fruits>Seeds>Colour

pale brown28

28. 006-004-001

<<Fruits>Seeds>Diameter

0.4 mm in diam.29

29. 006-004-002

<<Inflorescences>Bracts and bracteoles>Basal bracts

(basal bracts sometimes leaf-like, )30

30. 004-004-004

<<Inflorescences>Bracts and bracteoles>Length

ca. 1 mm long31

31. 004-004-002

<<Inflorescences>Bracts and bracteoles>Shape

acuminate32 ovate33

32. 004-004-003, 33. 004-004-001

<<Inflorescences>Pedicels>Length

0-1 mm long34

34. 004-005-001

<<Inflorescences>Peduncle>Length

0-1 cm long35

35. 004-003-001

<<Leaves>Blade>Base

base ;36

36. 003-002-004

<<Leaves>Blade>Dimensions

1.8-10.5 x 0.6-3 cm37

37. 003-002-003

<<Leaves>Blade>Shape

ovate to narrowly elliptic38

38. 003-002-002

<<Leaves>Blade>Texture

fleshy (dried chartaceous to membranous)39

39. 003-002-001

<<Leaves>Petiole>Length

0.3-2 cm long40

40. 003-001-001

<<Stems>Internodes>Length

0.5-6 cm long41

41. 002-003-001

<Flowers>Calyx

calyx , ,42

42. 005-001

<Flowers>Corolla

corolla , , ,43

43. 005-002

<Flowers>Filaments

filaments , ,44

44. 005-003

<Flowers>Ovary

ovary , ,45

45. 005-004

<Fruits>Colour

green46

46. 006-001

<Fruits>Dimensions

5-8 x 1.5-4 mm47

47. 006-003

<Fruits>Seeds

seeds ,48

48. 006-004

<Fruits>Shape

narrowly ovoid49

49. 006-002

<Habit>Growth form

creeping50

50. 001-001

<Habit>Length

8-28 cm long51

51. 001-002

<Inflorescences>Bracts and bracteoles

bracts and bracteoles , , ;52

52. 004-004

<Inflorescences>Length

0.2-4 cm long53

53. 004-002

<Inflorescences>Pedicels

pedicels .54

54. 004-005

<Inflorescences>Peduncle

including peduncle of55

55. 004-003

<Inflorescences>Position

terminal (and axillary)56

56. 004-001

<Leaves>Blade

blade , , ,57

57. 003-002

<Leaves>Petiole

petiole ;58

58. 003-001

<Leaves>Primary and secondary veins

primary and secondary veins slightly prominent or sunken above, prominent beneath.59

59. 003-003

<Stems>Diameter

0.1-0.2 cm in diam.60

60. 002-001

<Stems>Internodes

internodes .61

61. 002-003

<Stems>Shape

quadrangular62

62. 002-002

Description

Small creeping herb, 8-28 cm long, rooting at nodes. Stem at base 0.1-0.2 cm in diam., quadrangular, simple or poorly branched; internodes 0.5-6 cm long. Leaves petiolate; petiole 0.3-2 cm long; blade fleshy (dried chartaceous to membranous), ovate to narrowly elliptic, 1.8-10.5 x 0.6-3 cm, base attenuate; primary and secondary veins slightly prominent or sunken above, prominent beneath. Inflorescence a terminal (and axillary) raceme, 0.2-4 cm long, including peduncle of 0-1 cm long; bracts and bracteoles ovate, ca. 1 mm long, acuminate(basal bracts sometimes leaf-like, up to 10 mm long); pedicels 0-1 mm long. Flowers horizontal, congested, decussate; calyx chartaceous, 3-5 mm long, calyx lobes 2-3.5 x 1-1.5 mm, apex acuminate; corolla white or tinged with green, membranous, 5-8 mm long, corolla lobes erect, 2.5-4 x 0.6-1.5 mm, apex acute; filaments white, 2 mm long, anthers white or pale orange, ca. 1 mm long; ovary ovoid, 3 x 1.5 mm, style 2 mm long, stigma lobes 0.5-1 x 0.5 mm. Fruit green, narrowly ovoid, 5-8 x 1.5-4 mm; seeds pale brown, 0.4 mm in diam.

Distribution

Guyana present

Guyana; 8 collections studied (GU: 8).

Flowers

Flowers horizontal, congested, decussate;63

63. 005

Fruits

Fruit , , ;64

64. 006

Habit

Small herb, , rooting at nodes.65

65. 001

Individuals Association

Guyana, Potaro R., Sheenabowa, Jenman 1288 Guyana, Potaro R., Amatuk, Whitton 61 Guyana, Upper Demerara R., Kumuparu Cr., near Essequibo R., Forest Department 2547 Guyana, Upper Mazaruni R., Imbaimadai, Maguire & Fanshawe 32592 Guyana, Potaro R., 3 miles above Kaieteur Falls, Cowan & Soderstrom 1774 Guyana, Potaro R., below Kaieteur Falls, Kvist 154 Guyana, Potaro R., Waratuk portage, Sandwith 1509

Inflorescences

Inflorescence a raceme, , ;66

66. 004

Leaves

Leaves petiolate;67

67. 003

Phenology

Flowering and fruiting in .

Stems

Stem at base , , simple or poorly branched;68

68. 002

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