Odontonema schomburgkianum

<<<<Calyx lobes>Corolla>Upper lip>Lobes>Dimensions

3-4 x 3-4 mm1

1. 005-004-005-001-002

<<<<Calyx lobes>Corolla>Upper lip>Lobes>Shape

shallow ovate2

2. 005-004-005-001-001

<<<Calyx lobes>Corolla>Tube>Hairs

puberulous throughout with some glandular trichomes3

3. 005-004-004-003

<<<Calyx lobes>Corolla>Tube>Width

2 mm wide at base4 5-7 mm wide at middle5

4. 005-004-004-001, 5. 005-004-004-002

<<<Calyx lobes>Corolla>Upper lip>Lobes

lobes of6

6. 005-004-005-001

<<<Calyx lobes>Ovary>Style>Hairs

glabrous7

7. 005-006-002-002

<<<Calyx lobes>Ovary>Style>Length

15 mm long8

8. 005-006-002-001

<<<Calyx lobes>Stamens>Anthers>Length

3-4 mm long9

9. 005-005-002-001

<<<Calyx lobes>Stamens>Filaments>Hairs

glabrous10

10. 005-005-001-002

<<<Calyx lobes>Stamens>Filaments>Length

35-38 mm long11

11. 005-005-001-001

<<<Calyx lobes>Stamens>Staminodes>Hairs

glabrous12

12. 005-005-003-003

<<<Calyx lobes>Stamens>Staminodes>Length

1.5-2 mm long13

13. 005-005-003-001

<<<Calyx lobes>Stamens>Staminodes>Shape

apically capitate14

14. 005-005-003-002

<<<Petiole>Blade>Margins>Colour

dark green on upper surface, gray green on lower surface15

15. 003-003-003-003

<<<Petiole>Blade>Margins>Hairs

glabrous on both surfaces16

16. 003-003-003-004

<<<Petiole>Blade>Margins>Margin type

entire, undulate17

17. 003-003-003-001

<<<Petiole>Blade>Margins>Shape

acuminate to cuspidate at apex, cuneate at base18

18. 003-003-003-002

<<Calyx lobes>Corolla>Colour

red19

19. 005-004-001

<<Calyx lobes>Corolla>Length

40-50 mm long20

20. 005-004-003

<<Calyx lobes>Corolla>Lower lip

lower lip similar;21

21. 005-004-006

<<Calyx lobes>Corolla>Shape

distinctly curved, bottle-shaped22

22. 005-004-002

<<Calyx lobes>Corolla>Tube

tube , , ,23

23. 005-004-004

<<Calyx lobes>Corolla>Upper lip

upper lip with ,24

24. 005-004-005

<<Calyx lobes>Hairs>Colour

purplish25

25. 005-003-001

<<Calyx lobes>Ovary>Hairs

glabrous26

26. 005-006-001

<<Calyx lobes>Ovary>Style

style , .27

27. 005-006-002

<<Calyx lobes>Stamens>Anthers

anthers ,28

28. 005-005-002

<<Calyx lobes>Stamens>Filaments

filaments , ,29

29. 005-005-001

<<Calyx lobes>Stamens>Staminodes

staminodes , , ;30

30. 005-005-003

<<Capsules>Seeds>Seed number

431

31. 006-004-001

<<Inflorescences>Flowers>Flower number per node

2-4 (rarely more)32

32. 004-004-001

<<Inflorescences>Lowermost bracts>Length

5-9 mm long33

33. 004-005-002

<<Inflorescences>Lowermost bracts>Shape

lanceolate34

34. 004-005-001

<<Inflorescences>Upper bracts>Dimensions

4 x 0.5 mm35

35. 004-006-001

<<Petiole>Blade>Dimensions

3-25 x 2-15 cm36

36. 003-003-002

<<Petiole>Blade>Margins

margin , , , ;37

37. 003-003-003

<<Petiole>Blade>Shape

elliptic to ovate or obovate38

38. 003-003-001

<<Petiole>Primary and secondary veins>Hairs

with a few trichomes39

39. 003-004-001

<<Stems>Bark>Colour

red40

40. 002-003-001

<Calyx lobes>Corolla

corolla , , ,41

41. 005-004

<Calyx lobes>Dimensions

5-8 x 1 mm42

42. 005-002

<Calyx lobes>Hairs

pubescent with spreading, , conspicuously glandular trichomes43

43. 005-003

<Calyx lobes>Ovary

ovary ,44

44. 005-006

<Calyx lobes>Shape

narrowly triangular or subulate45

45. 005-001

<Calyx lobes>Stamens

stamens exserted beyond corolla lips,46

46. 005-005

<Capsules>Dimensions

20 x 5 x 5 mm47

47. 006-002

<Capsules>Hairs

ciliolate48

48. 006-003

<Capsules>Seeds

seeds , oval.49

49. 006-004

<Capsules>Shape

clavate50

50. 006-001

<Habit>Height

to 1.7 m tall51

51. 001-001

<Inflorescences>Bracteoles

bracteoles immediately inside each bract and similar, somewhat smaller.52

52. 004-007

<Inflorescences>Flowers

flowers per node on conspicuously glandular-puberulent rachis;53

53. 004-004

<Inflorescences>Growth form

pendent54

54. 004-001

<Inflorescences>Length

23-58 cm long55

55. 004-003

<Inflorescences>Lowermost bracts

lowermost bracts and sterile, ,56

56. 004-005

<Inflorescences>Position

terminal57

57. 004-002

<Inflorescences>Upper bracts

upper bracts reduced, ;58

58. 004-006

<Petiole>Blade

blade , , firm,59

59. 003-003

<Petiole>Hairs

sparsely pilose60

60. 003-002

<Petiole>Length

1-3(-4) cm long61

61. 003-001

<Petiole>Primary and secondary veins

primary vein and secondary veins as well as margins of lower surface .62

62. 003-004

<Stems>Bark

bark , exfoliating63

63. 002-003

<Stems>Hairs

mostly glabrous except for a few trichomes near apex64

64. 002-002

<Stems>Shape

subtetragonal above65

65. 002-001

Calyx lobes

Calyx lobes , , ;66

66. 005

Capsules

Capsule , , ;67

67. 006

Description

Suffruticose to 1.7 m tall. Stem leafless below, subtetragonal above, mostly glabrous except for a few trichomes near apex, bark red, exfoliating. Petiole 1-3(-4) cm long, sparsely pilose; blade elliptic to ovate or obovate, 3-25 x 2-15 cm, firm, margin entire, undulate, acuminate to cuspidate at apex, cuneate at base, dark green on upper surface, gray green on lower surface, glabrous on both surfaces; primary vein and secondary veins as well as margins of lower surface with a few trichomes. Inflorescence pendent, an elongated, terminal raceme or rarely a panicle, 23-58 cm long; flowers 2-4 (rarely more) per node on conspicuously glandular-puberulent rachis; lowermost bracts lanceolate and sterile, 5-9 mm long, upper bracts reduced, 4 x 0.5 mm; bracteoles immediately inside each bract and similar, somewhat smaller. Calyx lobes narrowly triangular or subulate, 5-8 x 1 mm, pubescent with spreading, purplish, conspicuously glandular trichomes; corolla red, distinctly curved, bottle-shaped, 40-50 mm long, tube 2 mm wide at base, 5-7 mm wide at middle, puberulous throughout with some glandular trichomes, upper lip with shallow ovate lobes of 3-4 x 3-4 mm, lower lip similar; stamens exserted beyond corolla lips, filaments 35-38 mm long, glabrous, anthers 3-4 mm long, staminodes 1.5-2 mm long, apically capitate, glabrous; ovary glabrous, style 15 mm long, glabrous. Capsule clavate, 20 x 5 x 5 mm, ciliolate; seeds 4, oval.

Distribution

Guyana present

Guyana; 16 collections studied (GU: 16).

Habit

Suffruticose .68

68. 001

Individuals Association

Guyana, Pomeroon, de la Cruz 2989 Guyana, Bartica-Potaro Road, Tutin 612 Guyana, Tumatumari, Gleason 7 Guyana, Rockstone, Gleason 699

Inflorescences

Inflorescence , an elongated, raceme or rarely a panicle, ;69

69. 004

Petiole

Petiole , ;70

70. 003

Phenology

Flowering from .

Stems

Stem leafless below, , , .71

71. 002

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