Odontonema mazarunense

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

6 x 4 mm1

1. 005-004-006-001-002

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

elliptic-ovate2

2. 005-004-006-001-001

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

5 x 3 mm3

3. 005-004-005-001-002

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

elliptic-ovate4

4. 005-004-005-001-001

<<<Calyx lobes>Corolla>Lower lip>Lobes

lobes of5

5. 005-004-006-001

<<<Calyx lobes>Corolla>Tube>Hairs

glandular-puberulent without, glabrous within6

6. 005-004-004-003

<<<Calyx lobes>Corolla>Tube>Width

6.5-7 mm wide apically7 3 mm wide at base8

7. 005-004-004-002, 8. 005-004-004-001

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

lobes of9

9. 005-004-005-001

<<<Calyx lobes>Ovary>Stigma>Hairs

glabrous10

10. 005-006-003-002

<<<Calyx lobes>Ovary>Stigma>Lobe number

2-lobed11

11. 005-006-003-001

<<<Calyx lobes>Ovary>Style>Hairs

sparsely pilose12

12. 005-006-002-002

<<<Calyx lobes>Ovary>Style>Length

45 mm long13

13. 005-006-002-001

<<<Calyx lobes>Stamens>Anthers>Colour

red14

14. 005-005-003-001

<<<Calyx lobes>Stamens>Anthers>Length

2.5 mm long15

15. 005-005-003-002

<<<Calyx lobes>Stamens>Filaments>Colour

pinkish16

16. 005-005-002-001

<<<Calyx lobes>Stamens>Filaments>Hairs

basally pubescent17

17. 005-005-002-003

<<<Calyx lobes>Stamens>Filaments>Length

27 mm long18

18. 005-005-002-002

<<<Calyx lobes>Stamens>Staminodes>Hairs

retrorsely puberulous19

19. 005-005-004-002

<<<Calyx lobes>Stamens>Staminodes>Length

2 mm long20

20. 005-005-004-001

<<<Calyx lobes>Stamens>Staminodes>Shape

apically capitate with a rudimentary anther21

21. 005-005-004-003

<<<Inflorescences>Bracts>Lowermost bracts>Dimensions

14 x 1 mm22

22. 004-006-002-001

<<<Inflorescences>Bracts>Lowermost bracts>Hairs

pilose23

23. 004-006-002-002

<<<Inflorescences>Bracts>Other bracts>Colour

red24

24. 004-006-003-001

<<<Inflorescences>Bracts>Other bracts>Dimensions

12 x 0.5 mm25

25. 004-006-003-003

<<<Inflorescences>Bracts>Other bracts>Hairs

glandular-puberulous26

26. 004-006-003-004

<<<Inflorescences>Bracts>Other bracts>Shape

linear27

27. 004-006-003-002

<<<Petiole>Blade>Shape>Dimensions

23-24 x 6.2-8.2 cm28

28. 003-003-001-001

<<Calyx lobes>Corolla>Colour

red29

29. 005-004-001

<<Calyx lobes>Corolla>Length

40-50 mm long30

30. 005-004-003

<<Calyx lobes>Corolla>Lower lip

lower lip with ;31

31. 005-004-006

<<Calyx lobes>Corolla>Shape

tubular32

32. 005-004-002

<<Calyx lobes>Corolla>Tube

tube , , ,33

33. 005-004-004

<<Calyx lobes>Corolla>Upper lip

upper lip with ,34

34. 005-004-005

<<Calyx lobes>Ovary>Hairs

glabrous35

35. 005-006-001

<<Calyx lobes>Ovary>Stigma

stigma minutely , .36

36. 005-006-003

<<Calyx lobes>Ovary>Style

style exserted , ,37

37. 005-006-002

<<Calyx lobes>Stamens>Anthers

anthers , ,38

38. 005-005-003

<<Calyx lobes>Stamens>Filaments

filaments , , ,39

39. 005-005-002

<<Calyx lobes>Stamens>Relative dimensions

exceeding corolla lobes by 5 mm40

40. 005-005-001

<<Calyx lobes>Stamens>Staminodes

staminodes , , ;41

41. 005-005-004

<<Inflorescences>Bracteoles>Dimensions

3 x 0.3 mm42

42. 004-008-002

<<Inflorescences>Bracteoles>Hairs

minutely and inconspicuously pilose43

43. 004-008-003

<<Inflorescences>Bracteoles>Shape

subulate44

44. 004-008-001

<<Inflorescences>Bracts>Lowermost bracts

lowermost pair ,45

45. 004-006-002

<<Inflorescences>Bracts>Other bracts

bracts subtending pedicels , , ,46

46. 004-006-003

<<Inflorescences>Bracts>Shape

linear-lanceolate47

47. 004-006-001

<<Inflorescences>Flowers>Flower number per node

248

48. 004-004-001

<<Inflorescences>Pedicels>Colour

red49

49. 004-007-001

<<Inflorescences>Pedicels>Hairs

glandular-puberulous50

50. 004-007-003

<<Inflorescences>Pedicels>Length

4.5-6 mm long51

51. 004-007-002

<<Inflorescences>Rachises>Colour

red52

52. 004-005-001

<<Inflorescences>Rachises>Hairs

puberulous53

53. 004-005-002

<<Petiole>Blade>Hairs

glabrous on both surfaces54

54. 003-003-002

<<Petiole>Blade>Shape

elliptic-lanceolate, , entire or slightly crenulate, acuminate at apex, narrowed at base55

55. 003-003-001

<<Petiole>Primary and secondary veins>Hairs

sparingly hirtellous on lower surface56

56. 003-004-002

<<Petiole>Primary and secondary veins>Secondary vein pair number

6-8 pairs57

57. 003-004-001

<Calyx lobes>Colour

reddish58

58. 005-001

<Calyx lobes>Corolla

corolla , , ,59

59. 005-004

<Calyx lobes>Dimensions

6.5-7.5 x 1 mm60

60. 005-003

<Calyx lobes>Ovary

ovary ,61

61. 005-006

<Calyx lobes>Shape

narrowly lanceolate62

62. 005-002

<Calyx lobes>Stamens

stamens ,63

63. 005-005

<Habit>Height

1 m tall64

64. 001-001

<Inflorescences>Bracteoles

bracteoles , , .65

65. 004-008

<Inflorescences>Bracts

bracts subtending rachis, , , ;66

66. 004-006

<Inflorescences>Flowers

flowers per node;67

67. 004-004

<Inflorescences>Growth form

erect68

68. 004-001

<Inflorescences>Length

3 cm long69

69. 004-003

<Inflorescences>Pedicels

pedicel , , ;70

70. 004-007

<Inflorescences>Position

terminal71

71. 004-002

<Inflorescences>Rachises

rachis , ;72

72. 004-005

<Petiole>Blade

blade firm, , ;73

73. 003-003

<Petiole>Hairs

glabrous74

74. 003-002

<Petiole>Length

5 mm long75

75. 003-001

<Petiole>Primary and secondary veins

primary vein and secondary veins () .76

76. 003-004

<Stems>Hairs

glabrate77

77. 002-002

<Stems>Shape

terete in older part to subquadrangular in younger part78

78. 002-001

Calyx lobes

Calyx lobes , , , glandular-puberulous;79

79. 005

Capsules

Capsule unknown.80

80. 006

Description

Shrub 1 m tall. Stem terete in older part to subquadrangular in younger part, glabrate. Petiole (unwinged part) 5 mm long, glabrous; blade firm, elliptic-lanceolate, 23-24 x 6.2-8.2 cm, entire or slightly crenulate, acuminate at apex, narrowed at base, glabrous on both surfaces; primary vein and secondary veins (6-8 pairs) sparingly hirtellous on lower surface. Inflorescence a short, erect, compact, terminal raceme, 3 cm long; flowers 2 per node; rachis red, puberulous; bracts subtending rachis, linear-lanceolate, lowermost pair 14 x 1 mm, pilose, bracts subtending pedicels red, linear, 12 x 0.5 mm, glandular-puberulous; pedicel red, 4.5-6 mm long, glandular-puberulous; bracteoles subulate, 3 x 0.3 mm, minutely and inconspicuously pilose. Calyx lobes reddish, narrowly lanceolate, 6.5-7.5 x 1 mm, glandular-puberulous; corolla red, tubular, 40-50 mm long, tube 3 mm wide at base, 6.5-7 mm wide apically, glandular-puberulent without, glabrous within, upper lip with elliptic-ovate lobes of 5 x 3 mm, lower lip with elliptic-ovate lobes of 6 x 4 mm; stamens exceeding corolla lobes by 5 mm, filaments pinkish, 27 mm long, basally pubescent, anthers red, 2.5 mm long, staminodes 2 mm long, retrorsely puberulous, apically capitate with a rudimentary anther; ovary glabrous, style exserted 45 mm long, sparsely pilose, stigma minutely 2-lobed, glabrous. Capsule unknown.

Distribution

Guyana present

Guyana; 2 collections studied (GU: 2).

Habit

Shrub .81

81. 001

Individuals Association

Guyana, Cuyuni-Mazaruni Region, Pakaraima Mts., Hoffman 2112

Inflorescences

Inflorescence a short, , compact, raceme, ;82

82. 004

Petiole

Petiole (unwinged part) , ;83

83. 003

Phenology

Flowering .

Stems

Stem , .84

84. 002

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