Echinodorus bolivianus

Primary tabs

Echinodorus bolivianus

Content

<<<Flowers>Petals>Claws>Length

ca. 1 mm long1
1. 004-003-002-001

<<<Flowers>Sepals>Margins>Vein number

72
2. 004-002-003-001

<<<Flowers>Stamens>Anthers>Length

0.5-6 mm long3
3. 004-004-003-001

<<<Flowers>Stamens>Apex>Shape

obtuse4
4. 004-004-004-001

<<<Flowers>Stamens>Filaments>Length

1.8-2.1 mm long5
5. 004-004-002-001

<<<Inflorescences>Bracts>Apex>Shape

acute6
6. 003-007-003-001

<<<Leaves>Emerged leaves>Apex>Shape

acute7
7. 002-001-006-001

<<<Leaves>Emerged leaves>Basal sheaths>Length

to 2 cm long8
8. 002-001-003-001

<<<Leaves>Emerged leaves>Base>Shape

acute to attenuate9
9. 002-001-007-001

<<<Leaves>Emerged leaves>Blade>Dimensions

1-7.4 x 0.2-1.8 cm10
10. 002-001-004-002

<<<Leaves>Emerged leaves>Blade>Shape

linear-elliptic to narrowly elliptic11
11. 002-001-004-001

<<<Leaves>Emerged leaves>Margins>Margin type

entire12
12. 002-001-005-001

<<<Leaves>Emerged leaves>Petiole>Dimensions

0.4-28.5 x ca. 0.05 cm13
13. 002-001-002-001

<<<Leaves>Emerged leaves>Veins>Vein number

1-314
14. 002-001-009-001

<<<Leaves>Submerged leaves>Apex>Shape

acute15
15. 002-002-005-001

<<<Leaves>Submerged leaves>Base>Shape

acute to attenuate16
16. 002-002-006-001

<<<Leaves>Submerged leaves>Blade>Dimensions

3.8-6.5 x 1-1.5 cm17
17. 002-002-003-002

<<<Leaves>Submerged leaves>Blade>Shape

linear-elliptic18
18. 002-002-003-001

<<<Leaves>Submerged leaves>Margins>Margin type

entire19
19. 002-002-004-001

<<<Leaves>Submerged leaves>Petiole>Dimensions

to 12 x 0.02-0.03 cm20
20. 002-002-002-001

<<<Leaves>Submerged leaves>Veins>Vein number

321
21. 002-002-007-001

<<Flowers>Carpels>Carpel number

15-2022
22. 004-005-001

<<Flowers>Petals>Claws

claw23
23. 004-003-002

<<Flowers>Petals>Dimensions

2.5-4.1 x 1.5-3 mm24
24. 004-003-001

<<Flowers>Sepals>Dimensions

2.8-3.6 x 2.8-3.6 mm25
25. 004-002-002

<<Flowers>Sepals>Growth form

in flower and fruit spreading26
26. 004-002-001

<<Flowers>Sepals>Margins

margin hyaline, with veins, not papillose;27
27. 004-002-003

<<Flowers>Stamens>Anthers

anthers basifixed, ,28
28. 004-004-003

<<Flowers>Stamens>Apex

apex ;29
29. 004-004-004

<<Flowers>Stamens>Filaments

filaments ,30
30. 004-004-002

<<Flowers>Stamens>Stamen number

931
31. 004-004-001

<<Fruits>Beak>Position

lateral32
32. 005-004-001

<<Inflorescences>Bracts>Apex

apex , not dilated basally;33
33. 003-007-003

<<Inflorescences>Bracts>Dimensions

2.8-3.5 x 1-2 mm34
34. 003-007-002

<<Inflorescences>Bracts>Shape

deltoid35
35. 003-007-001

<<Inflorescences>Flower number>Flower number per whorl

6-1536
36. 003-004-001

<<Inflorescences>Pedicels>Dimensions

1.1-6.2 x ca. 0.05 cm37
37. 003-008-002

<<Inflorescences>Pedicels>Growth form

in flower and fruit spreading38
38. 003-008-001

<<Inflorescences>Peduncle>Dimensions

3.5-31.5 x ca. 0.1 cm39
39. 003-005-002

<<Inflorescences>Peduncle>Ridge number

4-540
40. 003-005-001

<<Leaves>Emerged leaves>Apex

apex ,41
41. 002-001-006

<<Leaves>Emerged leaves>Basal lobes

basal lobes absent,42
42. 002-001-008

<<Leaves>Emerged leaves>Basal sheaths

basal sheath ,43
43. 002-001-003

<<Leaves>Emerged leaves>Base

base ,44
44. 002-001-007

<<Leaves>Emerged leaves>Blade

blade , ,45
45. 002-001-004

<<Leaves>Emerged leaves>Colour

pale green to green-brown46
46. 002-001-001

<<Leaves>Emerged leaves>Margins

margin ,47
47. 002-001-005

<<Leaves>Emerged leaves>Pellucid markings

pellucid markings present as separate lines;48
48. 002-001-010

<<Leaves>Emerged leaves>Petiole

petiole terete, ,49
49. 002-001-002

<<Leaves>Emerged leaves>Veins

veins ,50
50. 002-001-009

<<Leaves>Submerged leaves>Apex

apex ,51
51. 002-002-005

<<Leaves>Submerged leaves>Base

base ,52
52. 002-002-006

<<Leaves>Submerged leaves>Blade

blade , ,53
53. 002-002-003

<<Leaves>Submerged leaves>Colour

pale green54
54. 002-002-001

<<Leaves>Submerged leaves>Margins

margin ,55
55. 002-002-004

<<Leaves>Submerged leaves>Pellucid markings

pellucid markings present as separate lines.56
56. 002-002-008

<<Leaves>Submerged leaves>Petiole

petiole ridged, ,57
57. 002-002-002

<<Leaves>Submerged leaves>Veins

veins ,58
58. 002-002-007

<Flowers>Carpels

carpels .59
59. 004-005

<Flowers>Petals

petals clawed, , ;60
60. 004-003

<Flowers>Sepals

sepals , ,61
61. 004-002

<Flowers>Stamens

stamens ,62
62. 004-004

<Flowers>Width

0.8-1.7 cm wide63
63. 004-001

<Fruits>Beak

beak64
64. 005-004

<Fruits>Dimensions

0.8-1.8 x 0.8-1.3 mm65
65. 005-002

<Fruits>Growth form

erect66
66. 005-005

<Fruits>Length

0.1-0.3 mm long67
67. 005-006

<Fruits>Rib number

3-4-ribbed68
68. 005-003

<Fruits>Shape

obovate69
69. 005-001

<Habit>Hairs

glabrous70
70. 001-002

<Habit>Height

to 45 cm tall71
71. 001-001

<Habit>Rhizome

rhizome absent;72
72. 001-003

<Habit>Stolons

stolon present.73
73. 001-004

<Inflorescences>Bracts

bracts shorter than pedicel subtended, united, connate half of length, delicate, , ,74
74. 003-007

<Inflorescences>Dimensions

5-15 x to 10 cm75
75. 003-003

<Inflorescences>Flower number

whorls with flowers;76
76. 003-004

<Inflorescences>Growth form

erect77
77. 003-001

<Inflorescences>Pedicels

pedicels , .78
78. 003-008

<Inflorescences>Peduncle

peduncle with ridges, not winged, ;79
79. 003-005

<Inflorescences>Rachises

rachis, if present, terete between whorls, not winged;80
80. 003-006

<Inflorescences>Whorl number

1-281
81. 003-002

<Leaves>Emerged leaves

emerged leaves ,82
82. 002-001

<Leaves>Submerged leaves

submersed leaves ,83
83. 002-002

Description

Herb, annual, to 45 cm tall, glabrous; rhizome absent; stolon present. Leaves submersed or emerged; emerged leaves pale green to green-brown, petiole terete, 0.4-28.5 x ca. 0.05 cm, basal sheath to 2 cm long, blade linear-elliptic to narrowly elliptic, 1-7.4 x 0.2-1.8 cm, margin entire, apex acute, base acute to attenuate, basal lobes absent, veins 1-3, pellucid markings present as separate lines; submersed leaves pale green, petiole ridged, to 12 x 0.02-0.03 cm, blade linear-elliptic, 3.8-6.5 x 1-1.5 cm, margin entire, apex acute, base acute to attenuate, veins 3, pellucid markings present as separate lines. Inflorescence umbelliform or rarely racemose, erect, with 1-2 whorls, overtopping leaves, not vegetatively proliferating, 5-15 x to 10 cm; whorls with 6-15 flowers; peduncle with 4-5 ridges, not winged, 3.5-31.5 x ca. 0.1 cm; rachis, if present, terete between whorls, not winged; bracts shorter than pedicel subtended, united, connate half of length, delicate, deltoid, 2.8-3.5 x 1-2 mm, apex acute, not dilated basally; pedicels in flower and fruit spreading, 1.1-6.2 x ca. 0.05 cm. Flowers 0.8-1.7 cm wide; sepals in flower and fruit spreading, 2.8-3.6 x 2.8-3.6 mm, margin hyaline, with 7 veins, not papillose; petals clawed, 2.5-4.1 x 1.5-3 mm, claw ca. 1 mm long; stamens 9, filaments 1.8-2.1 mm long, anthers basifixed, 0.5-6 mm long, apex obtuse; carpels 15-20. Fruit terete, obovate, 0.8-1.8 x 0.8-1.3 mm, 3-4-ribbed, without keel, eglandular, beak lateral, erect, 0.1-0.3 mm long.

Distribution

Argentina present, Caribbean Islands present, Guianas present, S Mexico present
from S Mexico and Caribbean Islands, S to Argentina; over 100 collections examined, including 7 from the Guianas (GU: 6; SU: 1).

Flowers

Flowers ;84
84. 004

Fruits

Fruit terete, , , , without keel, eglandular, , , .85
85. 005

Habit

Herb, annual, , ;86
86. 001

Individuals Association

Guyana, Rupununi Savanna, Cook 207a Guyana, Ro. Schomburgk add. ser. 163.S Guyana, Rupununi Distr., Dadanawa, Jansen-Jacobs et al. 2128 Suriname, Boven Sipaliwini, kamp XI, Rombouts 345 Guyana, Rupununi Distr., Wichabai, A.C. Smith 2285 Guyana, Jansen-Jacobs et al. 5082 Guyana, 1 mi. E of Onoro mouth, Forest Dept. G397

Inflorescences

Inflorescence umbelliform or rarely racemose, , with whorls, overtopping leaves, not vegetatively proliferating, ;87
87. 003

Leaves

Leaves submersed or emerged;88
88. 002

Phenology

Flowers and fruits .

Uses

Sold as aquarium plants under German commercial name "Hahnenfussähnlicher Igelschlauch" and "Hahnenfuss Froschlöffel", and English "Dwarf Amazon Swordplant".