Echinodorus paniculatus
Content
- <<<Flowers>Stamens>Anthers>Length
- <<<Flowers>Stamens>Apex>Shape
- <<<Flowers>Stamens>Filaments>Length
- <<Flowers>Carpels>Carpel number
- <<Flowers>Petals>Dimensions
- <<Flowers>Sepals>Dimensions
- <<Flowers>Sepals>Growth form
- <<Flowers>Sepals>Vein number
- <<Flowers>Stamens>Anthers
- <<Flowers>Stamens>Apex
- <<Flowers>Stamens>Filaments
- <<Flowers>Stamens>Stamen number
- <<Fruits>Beak>Growth form
- <<Fruits>Beak>Length
- <<Fruits>Beak>Position
- <<Habit>Rhizome>Dimensions
- <<Inflorescences>Apex>Shape
- <<Inflorescences>Bracts>Dimensions
- <<Inflorescences>Bracts>Shape
- <<Inflorescences>Flower number>Flower number per whorl
- <<Inflorescences>Pedicels>Dimensions
- <<Inflorescences>Pedicels>Growth form
- <<Inflorescences>Peduncle>Dimensions
- <<Inflorescences>Peduncle>Shape
- <<Inflorescences>Rachises>Shape
- <<Leaves>Apex>Shape
- <<Leaves>Basal sheaths>Length
- <<Leaves>Base>Shape
- <<Leaves>Blade>Dimensions
- <<Leaves>Blade>Shape
- <<Leaves>Margins>Margin type
- <<Leaves>Petiole>Dimensions
- <<Leaves>Petiole>Shape
- <<Leaves>Veins>Vein number
- <Flowers>Carpels
- <Flowers>Petals
- <Flowers>Sepals
- <Flowers>Stamens
- <Flowers>Width
- <Fruits>Beak
- <Fruits>Dimensions
- <Fruits>Keel number
- <Fruits>Rib number
- <Fruits>Shape
- <Habit>Hairs
- <Habit>Height
- <Habit>Rhizome
- <Habit>Stolons
- <Inflorescences>Apex
- <Inflorescences>Bracts
- <Inflorescences>Dimensions
- <Inflorescences>Flower number
- <Inflorescences>Growth form
- <Inflorescences>Pedicels
- <Inflorescences>Peduncle
- <Inflorescences>Rachises
- <Inflorescences>Whorl number
- <Leaves>Apex
- <Leaves>Basal lobes
- <Leaves>Basal sheaths
- <Leaves>Base
- <Leaves>Blade
- <Leaves>Colour
- <Leaves>Margins
- <Leaves>Pellucid markings
- <Leaves>Petiole
- <Leaves>Veins
- Description
- Distribution
- Flowers
- Fruits
- Habit
- Individuals Association
- Inflorescences
- Leaves
- Phenology
- Uses
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).
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