Flower Database

Water Lettuce

Basic information
Flower Name
Water Lettuce
Formal Name
Pistia stratiotes l.
Alias
Water Lettus, 牡丹浮草
Habitat
South America, Africa
Morph
Tropical aquatic plants, Evergreen perennial, invasive alien species
Comment
Pistia (Peony floating weeds, scientific name:Pistia stratiotes L.) is a tropical aquatic plants of the family araceae native to Africa and South America. 1 genus, one species and not something similar with unique plants. As the invasive alien species issue. Has a rosette of pale green, like lettuce leaves.
Extend the roots beneath the strain. Flowers bloom from between the leaves. Spadix surrounded by small spathe light green florets give many flowers. 
Common name: Pistia
scientific name: Pistia stratiotes L.,
another name: water lettuce
origin: South America, Africa, Habitat: around warm temperate zone-while detesting the rosette-like tropical regions, environment: Lakes, rice fields, rivers, leaf: oval, lettuce, leaf color: light green, flowers bloom: leaves gaps, both flower and inflorescence shape: small spathe spadix meat and flower piece: no, flowers (agglutination) color: light green, Flowering period: May-October (in the warm area's anniversary), fruit: berries, note: invasive alien species, lettuce named is not edible.
Detailed information
Order
Alismatales
Family
Araceae
Genus
Pistia
Species
P. stratiotes
Flower type
Actinomorphic Flower
Flower array
Spadix
Petal shape
no petal
Leaf type
Oblong
Leaf edge
Repand
Flowering place
Marsh
Color
Green
Season
May Jun Jul Aug Sep Oct
Height
7  ~ 10  [cm]
Diameter
0.2  ~ 0.3