Ottelia cordata (Wall.) Dandy

Species

Angiosperms > Alismatales > Hydrocharitaceae > Ottelia

Characteristics

Leaves dimorphic; submerged leaves narrowly elliptic to ligulate, 30-60 × 4.5-10 cm; floating leaves broadly lanceolate or oblong-ovate, 10-20 × 4-10 cm, base cordate, apex acute to acuminate; petiole 30-120 cm. Flowers unisexual. Spathe oblong-ovate, 3.5-8 × 1.5-2 cm, with 6 longitudinal ribs, bifid at apex. Male spathe with 10-30 male flowers; sepals yellowish; petals white, obovate, 2.5-4.5 cm; stamens 12; filaments densely hairy; anthers ca. 6 mm; staminodes 3; reduced pistil 1; glands 3. Female spathe with only 1 female flower; perianths similar to male ones; ovary oblong, with 9-15 carpels; styles 9-18, papillate, bifid at apex; staminodes 3-8; glands 3. Fruit oblong, 4-4.5 × 1.6-2 cm. Seeds fusiform, ca. 1.5 mm, smooth. Fl. May. 2n = 22.
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A herb that grows in water. There leaves are of 2 types. The leaves under water are narrow and 30-60 cm long by 5-10 cm wide. The floating leaves are oval or broadly oblong and 10-20 cm long by 4-10 cm wide. Male and female flowers are separate.
Life form perennial
Growth form herb
Growth support aquatic
Foliage retention -
Sexuality dioecy
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OctNovDec
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Environment

A tropical plant. It grows in ponds and channels.
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Hardiness (USDA) 9-12

Usage

All green parts of the plant are used as a pot-herb.
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Cultivation

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Distribution

Ottelia cordata world distribution map, present in Bangladesh, China, Myanmar, and Thailand

Conservation status

Ottelia cordata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:431863-1
WFO ID wfo-0000769623
COL ID 75DMP
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Boottia heterophylla Ottelia cordata Ottelia heterophylla Boottia cordata