Nymphoides geminata Kuntze

Species

Angiosperms > Asterales > Menyanthaceae > Nymphoides

Characteristics

Aquatic perennial with branched stolons up to c. 1 m long usually lying just below the water surface; nodes with adventitious roots suspended in water and short-petiolate floating lvs. Basal lvs: petioles to c. 1.75 m long, very slender; lamina floating, 4.5-8.5 × 3.5-7.5 cm, suborbicular or broadly elliptic-ovate, reddish pink or reddish purple beneath, glandular-punctate beneath; margin entire; base deeply cordate with a narrow triangular sinus 2-2.5 cm deep. Fls c. 7 per cluster; pedicels to c. 7 cm long, curving upwards towards apex to carry fls above surface. Calyx 6-9 mm long; lobes lanceolate, obtuse. Corolla medium yellow, 2.5-4 cm diam.; wings of lobes c. 2-3 mm broad, with fimbriae 2-3 mm long. Style short. Stigmatic lobes broad. Capsule < 1 cm long; seeds c. 1.5 mm long, glabrous.
More
A water-lily like plant. Stems are usually absent. The leaves are round with a heart shaped base and floating. They are 3-8 cm across. The leaf stalks are 20 cm long. The flowers are yellow and the petals have fringes. The flowers are 3 cm across. The fruit is a capsule 0.5-0.8 cm long. The seeds are round but slightly flattened.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
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Mature height (meter) -
Root system adventitious-root
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Nitrogen fixer -
Photosynthetic pathway -

Environment

It grows in swamps and pools. It can grow in fast-flowing fresh water. It can grow in water 2.5 m deep. It grows in tropical, subtropical and warm temperate locations. It grows to 1,000 m altitude in New South Wales.
Light -
Soil humidity -
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Hardiness (USDA) 7-12

Usage

The tubers are eaten.
Uses -
Edible roots tubers
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown by division. They can also be grown from seed.
Mode seedlings
Germination duration (days) -
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Images

Nymphoides geminata unspecified picture
Nymphoides geminata unspecified picture
Nymphoides geminata unspecified picture

Distribution

Nymphoides geminata world distribution map, present in Australia, New Zealand, and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:370196-1
WFO ID wfo-0000382473
COL ID 486Q9
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Limnanthemum geminatum Villarsia geminatum Villarsia geminata Villarsia sarmentosa Nymphoides geminata