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Lemna aequinoctialis Welw.

Lesser duckweed (en), Lentille d'eau (fr), Lentille-d'eau (fr), Lentille d'eau équatoriale (fr)

Species

Angiosperms > Alismatales > Araceae > Lemna

Characteristics

Fronds floating on water surface, ovate to lanceolate, with obtuse to shortly pointed tip, 1–6 mm long, 1–3 times as long as wide, flat, entire, with distinct papule near tip and above node, without red colour, without a green stalk; nerves 3; air spaces in 2 or 3 layers spreading through most of frond, shorter than 0.3 mm. No distinct turions present. Roots to 3 cm long; sheath winged at base; tip usually sharply pointed. Flowers 1-ovulate. Fruit 0.5–0.8 mm long, not winged. Seeds with 9–26 distinct ribs.
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Perennial, sometimes annual, aquatic herb. Root sheath winged at base, tip sharply pointed (fresh material), usually < 30 mm long. Fronds with only 1 prominent papule above node, without reddish tinge or flecks. Seeds 1 per fruit; with 8-26 longitudinal ribs, brownish.
Aquatic herb. Seeds with 8-22 prominent ribs, brown, falling out of fruit wall when ripening. Fronds with only 1 prominent papule above node.
A herb.
Life form perennial
Growth form herb
Growth support aquatic
Foliage retention evergreen
Sexuality monoecy
Pollination hydrogamy
Spread hydrochory
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Environment

Mesotrophic to eutrophic; growsin quiet waters. 
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It is a tropical plant.
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Soil humidity 10-12
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Hardiness (USDA) 9-12

Usage

Uses environmental use medicinal
Edible leaves
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Cultivation

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Images

Lemna aequinoctialis unspecified picture

Distribution

Lemna aequinoctialis world distribution map, present in Aruba, Afghanistan, Angola, Åland Islands, Australia, Benin, Burkina Faso, Bahamas, Belize, Bermuda, Bolivia (Plurinational State of), Brazil, Botswana, Central African Republic, China, Congo, Comoros, Cabo Verde, Costa Rica, Cuba, Cayman Islands, Dominica, Ecuador, Egypt, Fiji, France, Gabon, Georgia, Ghana, Guinea, Gambia, Guinea-Bissau, Greece, Guatemala, Guyana, Honduras, Haiti, Indonesia, Jamaica, Japan, Kenya, Liberia, Lesotho, Moldova (Republic of), Madagascar, Mali, Mozambique, Mauritania, Mauritius, Namibia, Nigeria, Nicaragua, Nepal, Pakistan, Panama, Peru, Philippines, Puerto Rico, Paraguay, Réunion, Rwanda, Sudan, Senegal, Sierra Leone, Suriname, eSwatini, Seychelles, Chad, Togo, Thailand, Tonga, Taiwan, Province of China, Tanzania, United Republic of, Uganda, United States of America, Venezuela (Bolivarian Republic of), Samoa, South Africa, Zambia, and Zimbabwe

Conservation status

Lemna aequinoctialis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:526159-1
WFO ID wfo-0000224404
COL ID 3T4RG
BDTFX ID 38215
INPN ID 105423
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Lemna eleanorae Lemna aequinoctialis Lemna angolensis Lemna aoukikusa Lemna blatteri Lemna paucicostata Lemna trinervis Lemna minima Lemna aoukikusa subsp. hokurikuensis Lemna perpusilla var. trinervis Lemna paucicostata var. membranacea
WorldFloraDB 2024