Sagittaria macrophylla Zucc.

Sagittaire à feuilles en flèche (fr), Sagittaire à feuilles en cœur (fr), Flèche-d'eau (fr)

Species

Angiosperms > Alismatales > Alismataceae > Sagittaria

Characteristics

Emergent leaves elliptic, rarely sagittate to hastate, 8–25 cm long, 1–8 cm wide; basal lobes, when present, attenuate. Inflorescence with 3–5 pseudowhorls of flowers. Bracts 0.7–1.3 cm long. Female flowers with pedicle ascending to spreading, (2.5–) 3–11 cm long, distinctly thicker than pedicel of male flowers. Outer perianth lobes reflexed at maturity, 0.7–0.8 cm long; inner perianth lobes white, about twice as long as outer perianth. Filaments of male flowers glabrous. Achene 3.1–3.5 mm long, 2–2.5 mm wide; surface unadorned or with 1–2 narrow wings; apex with persistent base of style 0.4–1.2 mm long.
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A herb that grows in clean, shallow, slow moving water. It produces tubers. The leaves are large and arrow shaped. They are 30 cm long. The end lobe is the largest and there are 2 smaller lobes towards the base.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6 - 0.9
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Growing in creeks, rivers and irrigation channels.
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It is a tropical plant.
Light 7-9
Soil humidity 10-12
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-10

Usage

The tubers are eaten boiled or roasted over a fire.
Uses food
Edible leaves roots tubers
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Sagittaria macrophylla world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:58524-1
WFO ID wfo-0000736881
COL ID 4TYQV
BDTFX ID 59161
INPN ID 119856
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Sagittaria macrophylla