Echinodorus paniculatus

Primary tabs

Echinodorus paniculatus

Content

<<<Flowers>Stamens>Anthers>Length

to 2.5 mm long1
1. 004-004-003-001

<<<Flowers>Stamens>Apex>Shape

obtuse2
2. 004-004-004-001

<<<Flowers>Stamens>Filaments>Length

to 1.5 mm long3
3. 004-004-002-001

<<Flowers>Carpels>Carpel number

30 or more4
4. 004-005-001

<<Flowers>Petals>Dimensions

ca. 7 x ca. 6 mm5
5. 004-003-001

<<Flowers>Sepals>Dimensions

4.5-6.5 x 1.8-3.2 mm6
6. 004-002-002

<<Flowers>Sepals>Growth form

in flower and fruit spreading7
7. 004-002-001

<<Flowers>Sepals>Vein number

ca. 208
8. 004-002-003

<<Flowers>Stamens>Anthers

anthers versatile, ,9
9. 004-004-003

<<Flowers>Stamens>Apex

apex ;10
10. 004-004-004

<<Flowers>Stamens>Filaments

filaments ,11
11. 004-004-002

<<Flowers>Stamens>Stamen number

20 or more12
12. 004-004-001

<<Fruits>Beak>Growth form

erect13
13. 005-005-002

<<Fruits>Beak>Length

to 0.7 mm long14
14. 005-005-003

<<Fruits>Beak>Position

terminal15
15. 005-005-001

<<Habit>Rhizome>Dimensions

to 3 x to 4 cm16
16. 001-003-001

<<Inflorescences>Apex>Shape

acuminate to subulate17
17. 003-008-001

<<Inflorescences>Bracts>Dimensions

15-31 x 0.2-0.5 mm18
18. 003-007-002

<<Inflorescences>Bracts>Shape

linear19
19. 003-007-001

<<Inflorescences>Flower number>Flower number per whorl

6-4020
20. 003-004-001

<<Inflorescences>Pedicels>Dimensions

0.5-6.5 x 0.05-0.1 cm21
21. 003-009-002

<<Inflorescences>Pedicels>Growth form

in flower and fruit spreading22
22. 003-009-001

<<Inflorescences>Peduncle>Dimensions

40-100 x 0.03-0.1 cm23
23. 003-005-002

<<Inflorescences>Peduncle>Shape

triangular24
24. 003-005-001

<<Inflorescences>Rachises>Shape

triangular25
25. 003-006-001

<<Leaves>Apex>Shape

acute26
26. 002-006-001

<<Leaves>Basal sheaths>Length

to 23 cm long27
27. 002-003-001

<<Leaves>Base>Shape

truncate to attenuate28
28. 002-007-001

<<Leaves>Blade>Dimensions

12.5-27 x 1.4-15 cm29
29. 002-004-002

<<Leaves>Blade>Shape

narrowly elliptic to elliptic-ovate30
30. 002-004-001

<<Leaves>Margins>Margin type

entire31
31. 002-005-001

<<Leaves>Petiole>Dimensions

17.5-55 x 0.5-1.1 cm32
32. 002-002-002

<<Leaves>Petiole>Shape

triangular33
33. 002-002-001

<<Leaves>Veins>Vein number

5-734
34. 002-009-001

<Flowers>Carpels

carpels .35
35. 004-005

<Flowers>Petals

petals not clawed, ;36
36. 004-003

<Flowers>Sepals

sepals , , with veins, mostly not papillose;37
37. 004-002

<Flowers>Stamens

stamens ,38
38. 004-004

<Flowers>Width

ca. 1.6 cm wide39
39. 004-001

<Fruits>Beak

beak , ,40
40. 005-005

<Fruits>Dimensions

1.5-3 x 0.4-0.8 mm41
41. 005-002

<Fruits>Keel number

1-keeled42
42. 005-004

<Fruits>Rib number

4-ribbed43
43. 005-003

<Fruits>Shape

obelliptic44
44. 005-001

<Habit>Hairs

glabrous45
45. 001-001

<Habit>Height

to 350 cm tall46
46. 001-002

<Habit>Rhizome

rhizome present, ;47
47. 001-003

<Habit>Stolons

stolon absent.48
48. 001-004

<Inflorescences>Apex

apex , not dilated basally;49
49. 003-008

<Inflorescences>Bracts

bracts shorter than pedicel subtended, coarse, , ,50
50. 003-007

<Inflorescences>Dimensions

to 40 x to 30 cm51
51. 003-003

<Inflorescences>Flower number

whorls with flowers;52
52. 003-004

<Inflorescences>Growth form

erect or rarely decumbent53
53. 003-001

<Inflorescences>Pedicels

pedicels , cylindrical, .54
54. 003-009

<Inflorescences>Peduncle

peduncle , not winged, ;55
55. 003-005

<Inflorescences>Rachises

rachis between whorls , not winged;56
56. 003-006

<Inflorescences>Whorl number

4-857
57. 003-002

<Leaves>Apex

apex ,58
58. 002-006

<Leaves>Basal lobes

basal lobes absent,59
59. 002-008

<Leaves>Basal sheaths

basal sheath ,60
60. 002-003

<Leaves>Base

base ,61
61. 002-007

<Leaves>Blade

blade , ,62
62. 002-004

<Leaves>Colour

green to green-brown63
63. 002-001

<Leaves>Margins

margin ,64
64. 002-005

<Leaves>Pellucid markings

pellucid markings absent.65
65. 002-010

<Leaves>Petiole

petiole , ,66
66. 002-002

<Leaves>Veins

veins ,67
67. 002-009

Description

Herb, annual or perennial, glabrous, to 350 cm tall; rhizome present, to 3 x to 4 cm; stolon absent. Leaves emerged, green to green-brown, petiole triangular, 17.5-55 x 0.5-1.1 cm, basal sheath to 23 cm long, blade narrowly elliptic to elliptic-ovate, 12.5-27 x 1.4-15 cm, margin entire, apex acute, base truncate to attenuate, basal lobes absent, veins 5-7, pellucid markings absent. Inflorescence racemose or paniculate, erect or rarely decumbent, with 4-8 whorls, overtopping leaves, often vegetatively proliferating, to 40 x to 30 cm; whorls with 6-40 flowers; peduncle triangular, not winged, 40-100 x 0.03-0.1 cm; rachis between whorls triangular, not winged; bracts shorter than pedicel subtended, coarse, linear, 15-31 x 0.2-0.5 mm, apex acuminate to subulate, not dilated basally; pedicels in flower and fruit spreading, cylindrical, 0.5-6.5 x 0.05-0.1 cm. Flowers ca. 1.6 cm wide; sepals in flower and fruit spreading, 4.5-6.5 x 1.8-3.2 mm, with ca. 20 veins, mostly not papillose; petals not clawed, ca. 7 x ca. 6 mm; stamens 20 or more, filaments to 1.5 mm long, anthers versatile, to 2.5 mm long, apex obtuse; carpels 30 or more. Fruit terete, obelliptic, 1.5-3 x 0.4-0.8 mm, 4-ribbed, 1-keeled, eglandular, beak terminal, erect, to 0.7 mm long.

Distribution

Argentina present, Guyana present, Northern America, Southern America: Nicaragua (Nicaragua present); Paraguay (Paraguay present), northern S America present
from Mexico, Nicaragua, and northern S America S to Paraguay and Argentina; more than 100 collections examined, 2 from Guyana (GU: 2).

Flowers

Flowers ;68
68. 004

Fruits

Fruit terete, , , , , eglandular, .69
69. 005

Habit

Herb, annual or perennial, , ;70
70. 001

Individuals Association

Guyana, Ro. Schomburgk add. ser. 220.S Guyana, Kanuku Mts., Rupununi R., Bush Mouth near Witaru Falls, Jansen-Jacobs et al. 71

Inflorescences

Inflorescence racemose or paniculate, , with whorls, overtopping leaves, often vegetatively proliferating, ;71
71. 003

Leaves

Leaves emerged, ,72
72. 002

Phenology

Flowering and fruiting .

Uses

Sold as aquarium plants under the German commercial name "Grosse Amazonas Schwertpflanze" ("Large Amazon Swordplant").