Echinodorus grisebachii

Primary tabs

Echinodorus grisebachii

Content

<<<Flowers>Stamens>Anthers>Length

0.5-1 mm long1
1. 004-004-003-001

<<<Flowers>Stamens>Apex>Shape

obtuse2
2. 004-004-004-001

<<<Flowers>Stamens>Filaments>Length

ca. 1.5 mm long3
3. 004-004-002-001

<<<Inflorescences>Bracts>Apex>Shape

acute4
4. 003-007-004-001

<<<Leaves>Emerged leaves>Apex>Shape

acute to acuminate5
5. 002-001-006-001

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

to 5 cm long6
6. 002-001-003-001

<<<Leaves>Emerged leaves>Base>Shape

truncate to acute7
7. 002-001-007-001

<<<Leaves>Emerged leaves>Blade>Dimensions

6-22.5 x 1.5-4 cm8
8. 002-001-004-002

<<<Leaves>Emerged leaves>Blade>Shape

linear-elliptic to elliptic9
9. 002-001-004-001

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

entire10
10. 002-001-005-001

<<<Leaves>Emerged leaves>Petiole>Dimensions

6-25.5 x 0.2-0.35 cm11
11. 002-001-002-001

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

3-712
12. 002-001-009-001

<<<Leaves>Submerged leaves>Apex>Shape

acute to acuminate13
13. 002-002-005-001

<<<Leaves>Submerged leaves>Basal sheaths>Length

7 cm long14
14. 002-002-003-001

<<<Leaves>Submerged leaves>Base>Shape

truncate to acute15
15. 002-002-006-001

<<<Leaves>Submerged leaves>Blade>Dimensions

7.5-22.5 x 0.3-1.7 cm16
16. 002-002-004-002

<<<Leaves>Submerged leaves>Blade>Shape

linear-elliptic17
17. 002-002-004-001

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

entire18
18. 002-002-007-001

<<<Leaves>Submerged leaves>Petiole>Dimensions

1.5-7.5 x 0.2-0.3 cm19
19. 002-002-002-002

<<<Leaves>Submerged leaves>Petiole>Shape

triangular20
20. 002-002-002-001

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

1-321
21. 002-002-008-001

<<Flowers>Carpels>Carpel number

30 or more22
22. 004-005-001

<<Flowers>Petals>Dimensions

ca. 5 x ca. 3 mm23
23. 004-003-001

<<Flowers>Sepals>Length

2.5-3 mm long24
24. 004-002-001

<<Flowers>Sepals>Vein number

ca. 925
25. 004-002-002

<<Flowers>Stamens>Anthers

anthers versatile, ,26
26. 004-004-003

<<Flowers>Stamens>Apex

apex ;27
27. 004-004-004

<<Flowers>Stamens>Filaments

filaments ,28
28. 004-004-002

<<Flowers>Stamens>Stamen number

8-1229
29. 004-004-001

<<Habit>Rhizome>Growth form

erect30
30. 001-003-001

<<Habit>Rhizome>Length

to 2 cm31
31. 001-003-002

<<Inflorescences>Bracts>Apex

apex , not dilated basally;32
32. 003-007-004

<<Inflorescences>Bracts>Dimensions

to 5 x to 2 mm33
33. 003-007-002

<<Inflorescences>Bracts>Shape

elliptic34
34. 003-007-001

<<Inflorescences>Bracts>Texture

membranous35
35. 003-007-003

<<Inflorescences>Flower number>Flower number per whorl

ca. 636
36. 003-004-001

<<Inflorescences>Pedicels>Dimensions

0.4-1 x ca. 0.04 cm37
37. 003-008-002

<<Inflorescences>Pedicels>Growth form

in flower spreading, in fruit recurved38
38. 003-008-001

<<Inflorescences>Peduncle>Dimensions

5-20 x 0.05-0.2 cm39
39. 003-005-001

<<Leaves>Emerged leaves>Apex

apex ,40
40. 002-001-006

<<Leaves>Emerged leaves>Basal lobes

basal lobes absent,41
41. 002-001-008

<<Leaves>Emerged leaves>Basal sheaths

basal sheath ,42
42. 002-001-003

<<Leaves>Emerged leaves>Base

base ,43
43. 002-001-007

<<Leaves>Emerged leaves>Blade

blade , ,44
44. 002-001-004

<<Leaves>Emerged leaves>Colour

pale green45
45. 002-001-001

<<Leaves>Emerged leaves>Margins

margin ,46
46. 002-001-005

<<Leaves>Emerged leaves>Pellucid markings

pellucid markings present as short, separate lines;47
47. 002-001-010

<<Leaves>Emerged leaves>Petiole

petiole ridged, ,48
48. 002-001-002

<<Leaves>Emerged leaves>Veins

veins ,49
49. 002-001-009

<<Leaves>Submerged leaves>Apex

apex ,50
50. 002-002-005

<<Leaves>Submerged leaves>Basal sheaths

basal sheath ,51
51. 002-002-003

<<Leaves>Submerged leaves>Base

base ,52
52. 002-002-006

<<Leaves>Submerged leaves>Blade

blade , ,53
53. 002-002-004

<<Leaves>Submerged leaves>Colour

pale green54
54. 002-002-001

<<Leaves>Submerged leaves>Margins

margin ,55
55. 002-002-007

<<Leaves>Submerged leaves>Pellucid markings

pellucid markings present as short, separate lines.56
56. 002-002-009

<<Leaves>Submerged leaves>Petiole

petiole , ,57
57. 002-002-002

<<Leaves>Submerged leaves>Veins

veins ,58
58. 002-002-008

<Flowers>Carpels

carpels .59
59. 004-005

<Flowers>Petals

petals not clawed, ;60
60. 004-003

<Flowers>Sepals

sepals in flower reflexed, , with veins, not papillose;61
61. 004-002

<Flowers>Stamens

stamens ,62
62. 004-004

<Flowers>Width

to 1 cm wide63
63. 004-001

<Fruits>Dimensions

1.8-2.3 x 0.8-1 mm64
64. 005-001

<Fruits>Gland number

5 or more65
65. 005-003

<Fruits>Growth form

erect66
66. 005-005

<Fruits>Length

to 0.5 mm long67
67. 005-006

<Fruits>Position

terminal68
68. 005-004

<Fruits>Rib number

3-4-ribbed69
69. 005-002

<Habit>Hairs

glabrous70
70. 001-001

<Habit>Height

to 100 cm tall71
71. 001-002

<Habit>Rhizome

rhizome present, ;72
72. 001-003

<Habit>Stolons

stolon absent.73
73. 001-004

<Inflorescences>Bracts

bracts longer to shorter than pedicel subtended, separate, delicate, , , ,74
74. 003-007

<Inflorescences>Dimensions

7-40 x 0.4-1.5 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 slightly ridged, slightly winged, ;79
79. 003-005

<Inflorescences>Rachises

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

<Inflorescences>Whorl number

4-1281
81. 003-002

<Leaves>Emerged leaves

emerged leaves ,82
82. 002-001

<Leaves>Submerged leaves

submersed leaves ,83
83. 002-002

Description

Herb, short-lived perennial, glabrous, to 100 cm tall; rhizome erect present, to 2 cm; stolon absent. Leaves submersed or emerged; emerged leaves pale green, petiole ridged, 6-25.5 x 0.2-0.35 cm, basal sheath to 5 cm long, blade linear-elliptic to elliptic, 6-22.5 x 1.5-4 cm, margin entire, apex acute to acuminate, base truncate to acute, basal lobes absent, veins 3-7, pellucid markings present as short, separate lines; submersed leaves pale green, petiole triangular, 1.5-7.5 x 0.2-0.3 cm, basal sheath 7 cm long, blade linear-elliptic, 7.5-22.5 x 0.3-1.7 cm, apex acute to acuminate, base truncate to acute, margin entire, veins 1-3, pellucid markings present as short, separate lines. Inflorescence racemose, erect, with 4-12 whorls, overtopping leaves, often vegetatively proliferating, 7-40 x 0.4-1.5 cm; whorls with ca. 6 flowers; peduncle slightly ridged, slightly winged, 5-20 x 0.05-0.2 cm; rachis between whorls terete, not winged; bracts longer to shorter than pedicel subtended, separate, delicate, elliptic, to 5 x to 2 mm, membranous, apex acute, not dilated basally; pedicels in flower spreading, in fruit recurved, 0.4-1 x ca. 0.04 cm. Flowers to 1 cm wide; sepals in flower reflexed, 2.5-3 mm long, with ca. 9 veins, not papillose; petals not clawed, ca. 5 x ca. 3 mm; stamens 8-12, filaments ca. 1.5 mm long, anthers versatile, 0.5-1 mm long, apex obtuse; carpels 30 or more. Fruit terete, clavate, 1.8-2.3 x 0.8-1 mm, 3-4-ribbed, without keel, glands 5 or more, circular, between ribs, beak terminal, erect, to 0.5 mm long.

Distribution

Guianas present, Southern America: Bolivia (Bolivia present); Colombia (Colombia present); Cuba (Cuba present); Honduras (Honduras present); Peru (Peru present); Venezuela (Venezuela present)
In wet ditches and marshes and along shores of lakes and small rivers, from Cuba and Honduras, S to Colombia, Peru, Bolivia, Brazil, and NE to Venezuela and the Guianas; 41 collections examined, including 13 from the Guianas (GU: 1; SU: 5; FG: 5).

Flowers

Flowers ;84
84. 004

Fruits

Fruit terete, clavate, , , without keel, glands , circular, between ribs, beak , , .85
85. 005

Habit

Herb, short-lived perennial, , ;86
86. 001

Habitat

In wet ditches and marshes and along shores of lakes and small rivers,

Individuals Association

Suriname, Litani R., Rombouts 918 Suriname, Lawa R., Geijskes 191 sur îlet, pekuatã, Oyapock, Prévost & Grenand 1039 near St. Georges, de Granville 1045 Antécume Pata, Veth et al. 28 Guyana, Rupununi Distr., Dadanawa, Jansen-Jacobs et al. 5084 Cayenne, Mothery 65 Veth et al. 202

Inflorescences

Inflorescence racemose, , with whorls, overtopping leaves, often vegetatively proliferating, ;87
87. 003

Leaves

Leaves submersed or emerged;88
88. 002

Notes

See note under E. subalatus subsp. subalatus.

Phenology

Flowering and fruiting .

Uses

Sold under German commercial name "Smalblättrige Amazonas Schwertpflanze" ("Small Leaved Amazon Swordplant."); also cultivated under names "Amazonian Swordplant", or 'E. rangeri', 'E. amphibius', 'E. gracilis', 'E. parviflorus', 'E. bleheri' and 'E. parviflorus tropica'.