Damasonium alisma Mill.

Starfruit (en), Étoile d'eau (fr), Damasonie étoilée (fr), Damasonie plantain-d'eau (fr), Flûteau étoilé (fr)

Species

Angiosperms > Alismatales > Alismataceae > Damasonium

Characteristics

A herb which grows in water. The leaves have long stalks. The leaf blades are oval or sword shaped and 10 cm long. The flowers are in rings. They are white or pink with a yellow spot at the base of each petal. The fruit forms a star shape.
Life form perennial
Growth form herb
Growth support aquatic
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread barochory
Mature width (meter) -
Mature height (meter) 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Gravelly ditches and ponds. Very local and apparently decreasing in Britain.
More
It grows at the edge of shallow water. It needs to be less than 15 cm deep.
Light 4-9
Soil humidity 7-12
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 6-8

Usage

Uses -
Edible roots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Damasonium alisma habit picture by Jean-Francois Julien (cc-by-sa)

Leaf

Damasonium alisma leaf picture by morgane rose (cc-by-sa)

Distribution

Damasonium alisma world distribution map, present in France, Italy, Kazakhstan, Portugal, Russian Federation, and Ukraine

Conservation status

Damasonium alisma threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:58296-1
WFO ID wfo-0000765004
COL ID 34332
BDTFX ID 21525
INPN ID 94388
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Actinocarpus stellatus Damasonium stellatum Alisma damasonium Alisma stellatum Actinocarpus damasonium Damasonium dalechampii Damasonium vulgare Actinocarpus europaeus Actinocarpus maior Damasonium damasonium Damasonium alisma