Details of...
Scientific Name: Eichhornia crassipes
Pronunciation: iked-HORN-ee-uh KRASS-ih-peez
Common Name: water hyacinth , water orchid
Family Name: Pontederiaceae
Plant Type: Aquatic plant, Herbaceous perennial, Invasive plant
Key ID Features: A free-floating perennial aquatic plant with spongy, bulbous stalks and feathery, free hanging roots; leaves broadly ovate, thick, glossy, 10-20 cm wide; spike of 8-15 orchid-like flowers with six tepals, mostly lavender to pink.
Course(s): not used (off campus)

Habit: Spreading
Form: Creeping / Mat-like
Texture: Medium - coarse
Mature Size:
Height:0.2 - 0.4m
Spread:0.1 - 0.3m
Growth Rate:Fast
Origin: South America (Brazil)
Hardiness Rating: Zone 8a: (-12 to -9.5 C)
Exposure: Full sun
Soil/ Growing Medium: Bog
Water Use: Aquatic, Wetlands
Landscape Uses: Aquatic - ponds, Summer interest, Wetland - bogs, Wildlife food
Additional Info: Google
water hyacinth , water orchid
Leaf Morphology: Glossary
Form: Simple
Arrangement: Basal
Texture/ Venation: Leathery
Surfaces: Glabrous, Lustrous
Colour in Fall: Green-yellow
Leaf(let) Terms:
Shapes: Orbicular, Ovate
Apices: Acute
Bases: Sheathing
Margins: Entire
Additional Info: stems and leaves float

Inflorescence Type: Floriferous, Spike
Flower Morphology:Flowers perfect
Number of Petals:3
Corolla Shape:Rotate/stellate
Ovary Position:Superior
Colour (petals): Showy, Violet, Pink
Flower Scent: None
Flower Time at Peak: Aug, Sep
Additional Info: Six tepals
Fruit Type: Capsule
Fruit Colour: Brown
Fruiting Time: Sep, Oct
Bark or Stem Colour: n/a
Organ Modifications: Runners (or stolons)

Propagation: Division - above ground parts
Plant Care:
Pest Susceptibility: Pest resistant, Disease resistant
(NCA) Not Currently Available : not used
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