Eichhornia heterosperma
Content
- <<<<Sessile leaves>Petiolated leaves>Blade>Shape>Length
- <<<<Sessile leaves>Petiolated leaves>Blade>Shape>Width
- <<<Capsules>Seeds>Wings>Shape
- <<<Capsules>Seeds>Wings>Wing number
- <<<Flowers>Ovary>Stigma>Hairs
- <<<Flowers>Ovary>Stigma>Lobe number
- <<<Flowers>Stamens>Anthers>Length
- <<<Flowers>Stamens>Lower stamens>Length
- <<<Flowers>Stamens>Upper stamens>Length
- <<<Flowers>Tepals>Upper tepals>Colour
- <<<Sessile leaves>Petiolated leaves>Blade>Shape
- <<Capsules>Seeds>Length
- <<Capsules>Seeds>Width
- <<Capsules>Seeds>Wings
- <<Flowers>Ovary>Length
- <<Flowers>Ovary>Stigma
- <<Flowers>Stamens>Anthers
- <<Flowers>Stamens>Lower stamens
- <<Flowers>Stamens>Upper stamens
- <<Flowers>Tepals>Length
- <<Flowers>Tepals>Margins
- <<Flowers>Tepals>Shape
- <<Flowers>Tepals>Upper tepals
- <<Flowers>Tube>Length
- <<Inflorescences>Peduncle>Hairs
- <<Inflorescences>Peduncle>Length
- <<Inflorescences>Spathe>Length
- <<Inflorescences>Spathe>Shape
- <<Sessile leaves>Petiolated leaves>Blade
- <<Sessile leaves>Petiole>Length
- <<Vegetative stems>Flowering stems>Hairs
- <<Vegetative stems>Flowering stems>Length
- <Capsules>Length
- <Capsules>Seeds
- <Flowers>Colour
- <Flowers>Heterostyly
- <Flowers>Ovary
- <Flowers>Stamens
- <Flowers>Tepals
- <Flowers>Tube
- <Inflorescences>Flower number
- <Inflorescences>Peduncle
- <Inflorescences>Spathe
- <Sessile leaves>Length
- <Sessile leaves>Petiolated leaves
- <Sessile leaves>Petiole
- <Sessile leaves>Shape
- <Vegetative stems>Flowering stems
- <Vegetative stems>Shape
- Capsules
- Description
- Distribution
- Flowers
- Habit
- Individuals Association
- Inflorescences
- Sessile leaves
- Vegetative stems
<<<Sessile leaves>Petiolated leaves>Blade>Shape
round to oval, , , with an obtuse to acute apex and truncate to obtuse base11
11. 003-003-001-001
Description
Perennial, rooted in mud. Vegetative stem elongate, developing to and growing at the water surface; flowering stem glabrous, 1.5-5 cm long. Sessile leaves alternate, linear, acuminate at apex, 6-11 cm long; petiolate leaves emersed, the blade round to oval, 3-9 cm long, 1.2-6.2 cm wide, with an obtuse to acute apex and truncate to obtuse base; petiole 6-14 cm long. Inflorecence a spike with 4-14 flowers, all opening the same day; peduncle glabrous or nearly so, 1.2-4 cm long; spathe linear to obovate, 1.8-4 cm long. Flowers blue, tube 10-18 mm long, tepals obtuse to acute at apex, 8-10 mm long, with entire margins, the upper tepals dark at base; upper stamens 5.0-8.8 mm long, lower stamens 11-15 mm long, anthers 1.0-1.3 mm long; ovary 1-4 mm long, stigma 3-lobed, pilose; homostylous. Capsule 6-9 mm long; seeds 1.5-1.9 mm long, 0.7-1.1 mm widewith 11-15longitudinal wings.
Distribution
Guianas present present, South America present, Southern America: Colombia (Colombia present); Ecuador (Ecuador present); Nicaragua (Nicaragua present); Venezuela (Venezuela present)
Central America (south from Nicaragua) and South America (Ecuador, Colombia, Venezuela, the Guianas, and Brazil); 84 collecions studied, 26 from the Guianas (GU: 13; SU: 4; FG: 9).