Justicia laevilinguis

Primary tabs

Justicia laevilinguis

Content

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

4 x 3-4.5 mm1
1. 005-002-006-004-001-001

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

narrowly ovate, , rounded2
2. 005-002-006-004-001

<<<<Flowers>Corolla>Upper lip>Lobes>Length

0.25 mm long3
3. 005-002-005-004-001

<<<<Flowers>Style>Stigma>Shape>Length

0.1 mm long4
4. 005-004-003-001-001

<<<<Flowers>Style>Stigma>Shape>Lobe number

2-lobed5
5. 005-004-003-001-002

<<<Capsules>Seeds>Margins>Margin type

lacerate or dentate at tip and base6
6. 006-007-007-001

<<<Flowers>Calyx>Lobes>Dimensions

7-8 x 0.75-1.2 mm7
7. 005-001-003-002

<<<Flowers>Calyx>Lobes>Hairs

glabrous and sparingly ciliolate at apex8
8. 005-001-003-003

<<<Flowers>Calyx>Lobes>Shape

linear-lanceolate9
9. 005-001-003-001

<<<Flowers>Corolla>Lower lip>Dimensions

5.5-8 x 5.5-8 mm10
10. 005-002-006-003

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

spreading11
11. 005-002-006-001

<<<Flowers>Corolla>Lower lip>Lobes

lobes , delicately veined;12
12. 005-002-006-004

<<<Flowers>Corolla>Lower lip>Shape

obovate13
13. 005-002-006-002

<<<Flowers>Corolla>Tube>Diameter

1.5-2 mm in diam. near midpoint14
14. 005-002-004-003

<<<Flowers>Corolla>Tube>Length

5-8 mm long15
15. 005-002-004-002

<<<Flowers>Corolla>Tube>Shape

cylindric16
16. 005-002-004-001

<<<Flowers>Corolla>Upper lip>Dimensions

4-8 x 2-4.5 mm17
17. 005-002-005-003

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

erect18
18. 005-002-005-001

<<<Flowers>Corolla>Upper lip>Lobes

lobes ,19
19. 005-002-005-004

<<<Flowers>Corolla>Upper lip>Shape

obovate20
20. 005-002-005-002

<<<Flowers>Stamens>Filaments>Hairs

glabrous21
21. 005-003-002-001

<<<Flowers>Stamens>Thecae>Hairs

glabrous22
22. 005-003-003-002

<<<Flowers>Stamens>Thecae>Length

1-1.75 mm long23
23. 005-003-003-001

<<<Flowers>Style>Stigma>Shape

subcapitate, , minutely and rounded24
24. 005-004-003-001

<<<Inflorescences>Bracts>Shape>Dimensions

0.8-2 x 0.8-1 mm25
25. 004-006-001-001

<<<Inflorescences>Rachises>Internodes>Length

to 5 mm long at maturity26
26. 004-005-002-001

<<<Petiole>Blade>Margins>Hairs

both surfaces and margin glabrous to sparsely pubescent27
27. 003-003-003-003

<<<Petiole>Blade>Margins>Margin type

entire28
28. 003-003-003-001

<<<Petiole>Blade>Margins>Shape

acuminate at apex (tip itself obtuse), acute to obtuse to rounded at base29
29. 003-003-003-002

<<Capsules>Body>Length

10 mm long30
30. 006-005-002

<<Capsules>Body>Shape

ovoid31
31. 006-005-001

<<Capsules>Retinacula>Length

ca. 3 mm long32
32. 006-006-001

<<Capsules>Retinacula>Shape

narrowly cucullate33
33. 006-006-002

<<Capsules>Seeds>Colour

gray or flecked brown34
34. 006-007-002

<<Capsules>Seeds>Dimensions

5 x 5.5 x 0.5 mm35
35. 006-007-004

<<Capsules>Seeds>Hairs

glabrous36
36. 006-007-006

<<Capsules>Seeds>Margins

margin thin, .37
37. 006-007-007

<<Capsules>Seeds>Seed number

438
38. 006-007-001

<<Capsules>Seeds>Shape

suborbicular39
39. 006-007-003

<<Capsules>Seeds>Texture

smooth40
40. 006-007-005

<<Capsules>Stipes>Length

4-7 mm long41
41. 006-004-001

<<Flowers>Calyx>Length

7-9 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>Corolla>Colour

white, tinged with violet, or dull pink, often with mauve markings or nectar guides on lower lip45
45. 005-002-001

<<Flowers>Corolla>Hairs

sparingly pubescent with erect to flexuose, glandular and eglandular trichomes46
46. 005-002-003

<<Flowers>Corolla>Length

12-15 mm long47
47. 005-002-002

<<Flowers>Corolla>Lower lip

lower lip , , ,48
48. 005-002-006

<<Flowers>Corolla>Tube

tube , and ,49
49. 005-002-004

<<Flowers>Corolla>Upper lip

upper lip , , , emarginate,50
50. 005-002-005

<<Flowers>Stamens>Filaments

filaments ,51
51. 005-003-002

<<Flowers>Stamens>Relative distance

exserted ca. 4 mm beyond mouth of corolla tube52
52. 005-003-001

<<Flowers>Stamens>Thecae

anther thecae , subequal, perpendicular to unequally inserted or superposed, ;53
53. 005-003-003

<<Flowers>Style>Hairs

glabrous54
54. 005-004-002

<<Flowers>Style>Relative distance

exserted ca. 3.5 mm beyond mouth of corolla tube55
55. 005-004-001

<<Flowers>Style>Stigma

stigma .56
56. 005-004-003

<<Inflorescences>Bracteoles>Dimensions

1-2 x 0.5 mm57
57. 004-007-002

<<Inflorescences>Bracteoles>Hairs

glabrous58
58. 004-007-003

<<Inflorescences>Bracteoles>Shape

subulate59
59. 004-007-001

<<Inflorescences>Bracts>Hairs

glabrous60
60. 004-006-002

<<Inflorescences>Bracts>Shape

triangular to triangular-ovate, , sharply acute61
61. 004-006-001

<<Inflorescences>Flowers>Flower number per axil

162
62. 004-003-001

<<Inflorescences>Peduncle>Hairs

glabrous or nearly so63
63. 004-004-002

<<Inflorescences>Peduncle>Length

3.5-7 cm long64
64. 004-004-001

<<Inflorescences>Rachises>Hairs

glabrous65
65. 004-005-001

<<Inflorescences>Rachises>Internodes

its internodes66
66. 004-005-002

<<Petiole>Blade>Dimensions

8-13 x 1-2.3 cm67
67. 003-003-002

<<Petiole>Blade>Margins

margin , slenderly , ;68
68. 003-003-003

<<Petiole>Blade>Shape

linear or narrowly lanceolate69
69. 003-003-001

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

ca. 5 pairs70
70. 003-004-001

<Capsules>Body

body , ,71
71. 006-005

<Capsules>Dimensions

14-17 x 5-6 x 0.75 mm72
72. 006-002

<Capsules>Hairs

glabrate73
73. 006-003

<Capsules>Retinacula

retinacula , ;74
74. 006-006

<Capsules>Seeds

seeds , , , , , ,75
75. 006-007

<Capsules>Shape

ovate-stipitate76
76. 006-001

<Capsules>Stipes

stipe ,77
77. 006-004

<Flowers>Calyx

calyx , ,78
78. 005-001

<Flowers>Corolla

corolla , , ,79
79. 005-002

<Flowers>Stamens

stamens ,80
80. 005-003

<Flowers>Style

style , ,81
81. 005-004

<Habit>Growth form

Erect to spreading or decumbent82
82. 001-001

<Habit>Height

to 1 m tall83
83. 001-002

<Habit>Lower nodes

often rooting at the lower nodes.84
84. 001-003

<Inflorescences>Bracteoles

bracteoles , , .85
85. 004-007

<Inflorescences>Bracts

bracts subtending flowers , , strongly costate;86
86. 004-006

<Inflorescences>Flowers

flowers secund, per axil of bracts;87
87. 004-003

<Inflorescences>Length

3.5-7 cm long88
88. 004-002

<Inflorescences>Peduncle

peduncle , ;89
89. 004-004

<Inflorescences>Position

axillary and terminal90
90. 004-001

<Inflorescences>Rachises

rachis , ;91
91. 004-005

<Juvenile stems>Growth form

spreading or retrorse92
92. 002-003

<Juvenile stems>Hairs

glabrous or sparingly pubescent, trichomes septate93
93. 002-002

<Juvenile stems>Shape

subhexagonal to subquadrangular, ± grooved94
94. 002-001

<Petiole>Blade

blade , ,95
95. 003-003

<Petiole>Hairs

glabrous or rather sparingly hirtellous96
96. 003-002

<Petiole>Length

to 3 mm long97
97. 003-001

<Petiole>Primary and secondary veins

primary vein and secondary veins () prominent on lower surface.98
98. 003-004

Capsules

Capsule , , ,99
99. 006

Common Name

English (Suriname): louisa-wiwiri

Description

Erect to spreading or decumbent perennial, usually aquatic, herb to 1 m tall; often rooting at the lower nodes. Young stem sharply angled, subhexagonal to subquadrangular, ± grooved, glabrous or sparingly pubescent, trichomes septate, spreading or retrorse. Petiole to 3 mm long, glabrous or rather sparingly hirtellous; blade linear or narrowly lanceolate, 8-13 x 1-2.3 cm, margin entire, slenderly acuminate at apex (tip itself obtuse), acute to obtuse to rounded at base, both surfaces and margin glabrous to sparsely pubescent; primary vein and secondary veins (ca. 5 pairs) prominent on lower surface. Inflorescence axillary and terminal slender spikes of 3.5-7 cm long, these unilateral, pedunculate; flowers secund, 1 per axil of bracts; peduncle 3.5-7 cm long, glabrous or nearly so; rachis glabrous, its internodes to 5 mm long at maturity; bracts subtending flowers triangular to triangular-ovate, 0.8-2 x 0.8-1 mm, sharply acute, glabrous, strongly costate; bracteoles subulate, 1-2 x 0.5 mm, glabrous. Flowers sessile; calyx 5-lobed, 7-9 mm long, lobes linear-lanceolate, equal, 7-8 x 0.75-1.2 mm, glabrous and sparingly ciliolate at apex; corolla white, tinged with violet, or dull pink, often with mauve markings or nectar guides on lower lip, 12-15 mm long, sparingly pubescent with erect to flexuose, glandular and eglandular trichomes, tube cylindric, 5-8 mm long and 1.5-2 mm in diam. near midpoint, upper lip erect, obovate, 4-8 x 2-4.5 mm, emarginate, lobes 0.25 mm long, lower lip spreading, obovate, 5.5-8 x 5.5-8 mm, lobes narrowly ovate, 4 x 3-4.5 mm, rounded, delicately veined; stamens exserted ca. 4 mm beyond mouth of corolla tube, filaments glabrous, anther thecae 1-1.75 mm long, subequal, perpendicular to unequally inserted or superposed, glabrous; style exserted ca. 3.5 mm beyond mouth of corolla tube, glabrous, stigma subcapitate, 0.1 mm long, minutely 2-lobed and rounded. Capsule ovate-stipitate, 14-17 x 5-6 x 0.75 mm, glabrate, stipe 4-7 mm long, body ovoid, 10 mm long, retinacula ca. 3 mm long, narrowly cucullate; seeds 4, gray or flecked brown, suborbicular, 5 x 5.5 x 0.5 mm, smooth, glabrous, margin thin, lacerate or dentate at tip and base.

Distribution

Guianas present, tropical South America present
Swampy regions, widely distributed throughout tropical South America (in spite of its great range, specimens are not often collected, probably because it is not abundant in any particular place); 172 collections studied of which 31 from the Guianas (GU: 3; SU: 27; FG: 1).

Flowers

Flowers sessile;100
100. 005

Habit

perennial, usually aquatic, herb ;101
101. 001

Individuals Association

Suriname, Kramer & Hekking 2706 Montagne de Kaw, R. de Kaw, Cremers 9590 Guyana, Northwest Distr., Anabisi R., de la Cruz 1337 Guyana, upper Rupununi R., de la Cruz 1481 Suriname, Hostmann 727

Inflorescences

Inflorescence slender spikes of , these unilateral, pedunculate;102
102. 004

Juvenile stems

Young stem sharply angled, , , .103
103. 002

Petiole

Petiole , ;104
104. 003

Phenology

Flowering and fruiting .