Justicia mcdowellii

Primary tabs

Justicia mcdowellii

Content

<<<<<Flowers>Corolla>Tube>Shape>Diameter>Relative distance

2.5 mm above base1
1. 005-002-004-001-002-001

<<<<Flowers>Corolla>Lower lip>Lobes>Length

2 mm long2
2. 005-002-007-003-001

<<<<Flowers>Corolla>Lower lip>Lobes>Shape

narrowly ovate and apically rounded3
3. 005-002-007-003-002

<<<<Flowers>Corolla>Tube>Shape>Diameter

2 mm in diam. at base, enlarged to 3 mm at4
4. 005-002-004-001-002

<<<<Flowers>Corolla>Tube>Shape>Length

19-19.5 mm long5
5. 005-002-004-001-001

<<<<Flowers>Corolla>Tube>Shape>Width

2.5 mm wide at mouth6
6. 005-002-004-001-003

<<<<Flowers>Corolla>Upper lip>Lobes>Dimensions

0.5 x 0.5 mm7
7. 005-002-006-005-001

<<<<Flowers>Stamens>Thecae>Lower thecae>Shape

inconspcisouly apiculate8
8. 005-003-002-001-001

<<<<Inflorescences>Bracts>Larger bracts>Shape>Dimensions

8-9 x 7-8 mm9
9. 004-005-003-001-001

<<<<Inflorescences>Bracts>Margins>Sterile bracts>Dimensions

6-7 x 0.4-0.6 mm10
10. 004-005-005-002-002

<<<<Inflorescences>Bracts>Margins>Sterile bracts>Shape

linear11
11. 004-005-005-002-001

<<<Flowers>Calyx>Lobes>Dimensions

5-5.5 x 0.5 mm12
12. 005-001-003-002

<<<Flowers>Calyx>Lobes>Hairs

aristate at apex, glabrous13
13. 005-001-003-003

<<<Flowers>Calyx>Lobes>Shape

linear-lanceolate14
14. 005-001-003-001

<<<Flowers>Calyx>Margins>Hairs

ciliolate15
15. 005-001-004-001

<<<Flowers>Corolla>Lower lip>Growth form

spreading16
16. 005-002-007-001

<<<Flowers>Corolla>Lower lip>Length

4 mm long17
17. 005-002-007-002

<<<Flowers>Corolla>Lower lip>Lobes

lobes , all ;18
18. 005-002-007-003

<<<Flowers>Corolla>Tube>Shape

narrowly cylindrical, , , then slightly constricted,19
19. 005-002-004-001

<<<Flowers>Corolla>Upper lip>Dimensions

5 x 1.75-2 mm20
20. 005-002-006-003

<<<Flowers>Corolla>Upper lip>Growth form

erect21
21. 005-002-006-001

<<<Flowers>Corolla>Upper lip>Lobe number

2-lobed22
22. 005-002-006-004

<<<Flowers>Corolla>Upper lip>Lobes

lobes ,23
23. 005-002-006-005

<<<Flowers>Corolla>Upper lip>Shape

narrowly ovate24
24. 005-002-006-002

<<<Flowers>Pistil>Stigma>Lobe number

2-lobed25
25. 005-004-002-001

<<<Flowers>Pistil>Stigma>Shape

rounded26
26. 005-004-002-002

<<<Flowers>Pistil>Style>Hairs

glabrous27
27. 005-004-001-001

<<<Flowers>Stamens>Filaments>Shape

flattened28
28. 005-003-003-001

<<<Flowers>Stamens>Thecae>Lower thecae

lower theca29
29. 005-003-002-001

<<<Inflorescences>Bracteoles>Margins>Hairs

ciliolate30
30. 004-006-004-001

<<<Inflorescences>Bracts>Larger bracts>Shape

obovate to suborbicular, , rounded and apiculate at apex, abruptly narrowed and cuneate at base31
31. 004-005-003-001

<<<Inflorescences>Bracts>Margins>Hairs

ciliate32
32. 004-005-005-001

<<<Inflorescences>Bracts>Margins>Sterile bracts

sterile bract greatly reduced, ,33
33. 004-005-005-002

<<<Inflorescences>Bracts>Primary and secondary veins>Hairs

pubescent34
34. 004-005-004-001

<<<Petiole>Blade>Lower surfaces>Colour

lighter yellow-green when dry35
35. 003-003-004-001

<<<Petiole>Blade>Lower surfaces>Hairs

both surfaces sericeous36
36. 003-003-004-002

<<<Petiole>Blade>Shape>Dimensions

15-25 x 6-11 cm37
37. 003-003-002-001

<<<Petiole>Blade>Upper surfaces>Colour

dark green when dry38
38. 003-003-003-001

<<Capsules>Seeds>Colour

dark reddish brown39
39. 006-004-001

<<Capsules>Seeds>Dimensions

3 x 2 1 mm40
40. 006-004-003

<<Capsules>Seeds>Shape

lenticular to subspheric41
41. 006-004-002

<<Flowers>Calyx>Length

5.5-6 mm long42
42. 005-001-002

<<Flowers>Calyx>Lobe number

5-lobed43
43. 005-001-001

<<Flowers>Calyx>Lobes

lobes equal, , , ,44
44. 005-001-003

<<Flowers>Calyx>Margins

margin ;45
45. 005-001-004

<<Flowers>Corolla>Colour

white46
46. 005-002-001

<<Flowers>Corolla>Hairs

puberulous and gland-dotted47
47. 005-002-003

<<Flowers>Corolla>Length

22-22.5 mm long48
48. 005-002-002

<<Flowers>Corolla>Limbs

limb short,49
49. 005-002-005

<<Flowers>Corolla>Lower lip

lower lips , ,50
50. 005-002-007

<<Flowers>Corolla>Tube

tube ,51
51. 005-002-004

<<Flowers>Corolla>Upper lip

upper lip , , , ,52
52. 005-002-006

<<Flowers>Pistil>Stigma

stigma , minute, .53
53. 005-004-002

<<Flowers>Pistil>Style

style ,54
54. 005-004-001

<<Flowers>Stamens>Filaments

filament ;55
55. 005-003-003

<<Flowers>Stamens>Relative distance

exserted 4 mm beyond mouth of corolla tube56
56. 005-003-001

<<Flowers>Stamens>Thecae

anther thecae superposed, subequal, vertically attached to connective, ,57
57. 005-003-002

<<Inflorescences>Bracteoles>Dimensions

6 x 0.5 mm58
58. 004-006-002

<<Inflorescences>Bracteoles>Hairs

long-aristate at apex, puberulous59
59. 004-006-003

<<Inflorescences>Bracteoles>Margins

margin .60
60. 004-006-004

<<Inflorescences>Bracteoles>Shape

linear61
61. 004-006-001

<<Inflorescences>Bracts>Colour

green62
62. 004-005-001

<<Inflorescences>Bracts>Larger bracts

larger bract , thin63
63. 004-005-003

<<Inflorescences>Bracts>Margins

margin , ;64
64. 004-005-005

<<Inflorescences>Bracts>Primary and secondary veins

primary and secondary veins prominent, both surfaces gland-dotted, along primary vein65
65. 004-005-004

<<Inflorescences>Bracts>Shape

heteromorphic66
66. 004-005-002

<<Inflorescences>Peduncle>Hairs

pilose and puberulous67
67. 004-003-003

<<Inflorescences>Peduncle>Length

7-16 cm long68
68. 004-003-002

<<Inflorescences>Peduncle>Shape

subquadrangular69
69. 004-003-001

<<Inflorescences>Rachises>Hairs

pilose and puberulous70
70. 004-004-002

<<Inflorescences>Rachises>Shape

subquadrangular71
71. 004-004-001

<<Petiole>Blade>Lower surfaces

lower surface a , , espeically on venation;72
72. 003-003-004

<<Petiole>Blade>Shape

elliptic to oblong to narrowly ovate, , entire or slightly undulate, short-acuminate at apex, attenuate at base73
73. 003-003-002

<<Petiole>Blade>Texture

thin and membranous74
74. 003-003-001

<<Petiole>Blade>Upper surfaces

upper surface ,75
75. 003-003-003

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

6-7 pairs76
76. 003-004-001

<<Stems>Hairs>Colour

yellowish77
77. 002-002-001

<Capsules>Dimensions

15 x 4 x 3 mm78
78. 006-002

<Capsules>Hairs

puberulous79
79. 006-003

<Capsules>Seeds

seeds , , , surface and margin covered with knoblike papillae.80
80. 006-004

<Capsules>Shape

clavate81
81. 006-001

<Flowers>Calyx

calyx , ,82
82. 005-001

<Flowers>Corolla

corolla , , ,83
83. 005-002

<Flowers>Pistil

pistil ± equaling stamens,84
84. 005-004

<Flowers>Stamens

stamens ,85
85. 005-003

<Habit>Height

to 1.2 m tall86
86. 001-001

<Inflorescences>Bracteoles

bracteoles , , ,87
87. 004-006

<Inflorescences>Bracts

bracts , , ,88
88. 004-005

<Inflorescences>Length

8-15 cm long89
89. 004-002

<Inflorescences>Peduncle

peduncle , , ;90
90. 004-003

<Inflorescences>Position

terminal91
91. 004-001

<Inflorescences>Rachises

rachis , ;92
92. 004-004

<Petiole>Blade

blade , ,93
93. 003-003

<Petiole>Hairs

sparingly pilose94
94. 003-002

<Petiole>Length

5 mm long95
95. 003-001

<Petiole>Primary and secondary veins

primary and secondary veins () rather obscure above, more prominent on lower surface.96
96. 003-004

<Stems>Hairs

pilose, trichomes sordid to97
97. 002-002

<Stems>Shape

quadrangular98
98. 002-001

Capsules

Capsule , , ;99
99. 006

Description

Herb to 1.2 m tall. Stem ascending, quadrangular, pilose, trichomes sordid to yellowish. Petiole short or lacking, if present, then 5 mm long, sparingly pilose; blade thin and membranous, elliptic to oblong to narrowly ovate, 15-25 x 6-11 cm, entire or slightly undulate, short-acuminate at apex, attenuate at base, upper surface dark green when dry, lower surface a lighter yellow-green when dry, both surfaces sericeous, espeically on venation; primary and secondary veins (6-7 pairs) rather obscure above, more prominent on lower surface. Inflorescence terminal, long-pedunculate spikes, these usually paired, 8-15 cm long; peduncle subquadrangular, 7-16 cm long, pilose and puberulous; rachis subquadrangular, pilose and puberulous; bracts greenheteromorphic, larger bract obovate to suborbicular, 8-9 x 7-8 mm, rounded and apiculate at apex, abruptly narrowed and cuneate at base, thin, primary and secondary veins prominent, both surfaces gland-dotted, pubescent along primary vein, margin ciliate, sterile bract greatly reduced, linear, 6-7 x 0.4-0.6 mm; bracteoles linear, 6 x 0.5 mm, long-aristate at apex, puberulous, margin ciliolate. Flowers sessile to subsessile; calyx 5-lobed, 5.5-6 mm long, lobes equal, linear-lanceolate, 5-5.5 x 0.5 mm, aristate at apex, glabrous, margin ciliolate; corolla white, 22-22.5 mm long, puberulous and gland-dotted, tube narrowly cylindrical, 19-19.5 mm long, 2 mm in diam. at base, enlarged to 3 mm at 2.5 mm above base, then slightly constricted, 2.5 mm wide at mouth, limb short, upper lip erect, narrowly ovate, 5 x 1.75-2 mm, 2-lobed, lobes 0.5 x 0.5 mm, lower lips spreading, 4 mm long, lobes 2 mm long, all narrowly ovate and apically rounded; stamens exserted 4 mm beyond mouth of corolla tube, anther thecae superposed, subequal, vertically attached to connective, lower theca inconspcisouly apiculate, filament flattened; pistil ± equaling stamens, style glabrous, stigma 2-lobed, minute, rounded. Capsule clavate, 15 x 4 x 3 mm, puberulous; seeds dark reddish brown, lenticular to subspheric, 3 x 2 1 mm, surface and margin covered with knoblike papillae.

Distribution

Guyana endemic
Endemic to Guyana, known only from the type locality, mixed forest, with palms, Heliconia, Marantaceae, and Gesneriaceae in understory.

Flowers

Flowers sessile to subsessile;100
100. 005

Habit

Herb .101
101. 001

Inflorescences

Inflorescence , long-pedunculate spikes, these usually paired, ;102
102. 004

Petiole

Petiole short or lacking, if present, then , ;103
103. 003

Phenology

Flowering and fruiting in .

Stems

Stem ascending, , .104
104. 002