Trapa natans
Bullnut, Common Water Chestnut, Water Nut
Other regional names: European Water Chestnut
- European Water Chestnut
Also known as: Trapa acicularis V.N.Vassil. +17 more
- Trapa acicularis V.N.Vassil.
- Trapa alatyrica Sprygin ex V.N.Vassil.
- Trapa algeriensis V.N.Vassil.
- Trapa amurensis Flerow
- Trapa amurensis var. bispinosa Flerow
- Trapa annosa f. bicornis Jankovic
- Trapa annosa f. erecticornis Jankovic
- Trapa annosa f. pseudomuzzanensis Jankovic
- Trapa annosa Jankovic
- Trapa araborum V.N.Vassil.
- Trapa assamica Wójcicki
- Trapa astrachanica (Flerow) N.A.Winter
- Trapa astrachanica var. caspica (V.N.Vassil.) Tzvelev
- Trapa bicornis var. iwasakii (Nakano) Nakano
- Trapa bicornis var. jinumae (Nakano) Nakano
- Trapa bicornis var. jinumii (Nakano) Nakano
- Trapa bispinosa var. iinumae Nakano
- Trapa bispinosa var. iwasakii Nakano
Botanical Data
- Taxonomic Rank: Species
- Botanical Family: Lythraceae
- WCVP Morphological Data: Recorded natively as a hydroannual.
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Indigenous to Africa, Temperate Asia, Tropical Asia, and Europe, Trapa natans (commonly known as Bullnut or Common Water-chestnut) is an aquatic annual belonging to the Lythraceae family. Within its native range, this species is most commonly linked to temperate conditions. There are naturally occurring varieties of this species, which are linked below.
Macro Climate
Temperate
Plant Type
Annual
Plant Type
Aquatic Plant
Native Range
Continents (WGSRPD)
AFRICA, ASIA-TEMPERATE, ASIA-TROPICAL, EUROPE
Regions (WGSRPD)
Caucasus, China, East Tropical Africa, Eastern Asia, Eastern Europe, Indian Subcontinent, Indo-China, Malesia, Middle Asia, Middle Europe, Northeast Tropical Africa, Northern Africa, Northern Europe, Russian Far East, Siberia, South Tropical Africa, Southeastern Europe, Southern Africa, Southwestern Europe, West Tropical Africa, West-Central Tropical Africa, Western Asia
Botanical Countries (WGSRPD L3)
Albania, Algeria, Altay, Amur, Angola, Assam, Austria, Baleares, Baltic States, Bangladesh, Belarus, Botswana, Bulgaria, Burkina, Buryatiya, Cambodia, Cameroon, Central African Republic, Central European Russia, Chad, China North-Central, China South-Central, China Southeast, Chita, Congo, Czechoslovakia, East European Russia, East Himalaya, France, Gabon, Gambia, The, Germany, Greece, Guinea-Bissau, Hainan, Hungary, India, Inner Mongolia, Iran, Irkutsk, Italy, Japan, Jawa, Kazakhstan, Kenya, Khabarovsk, Korea, Krasnoyarsk, Krym, KwaZulu-Natal, Laos, Malawi, Manchuria, Mozambique, Myanmar, Namibia, Nepal, Nigeria, North Caucasus, Northwest European Russia, Pakistan, Philippines, Poland, Primorye, Romania, South European Russia, Spain, Sri Lanka, Sudan, Sumatera, Sweden, Switzerland, Taiwan, Tanzania, Thailand, Tibet, Transcaucasus, Tunisia, Turkey-in-Europe, Uganda, Ukraine, Vietnam, West Himalaya, West Siberia, Xinjiang, Yugoslavia, Zambia, Zaïre, Zimbabwe
Introduced Range
Plants flagged as 'Introduced' have been transported outside their native historical range by human activity. While many are common ornamentals, some may become naturalized or invasive in local environments. Local ecological guidelines require verification prior to planting.
Botanical Countries (Non-Native)
Connecticut, Delaware, District of Columbia, Maine, Maryland, Massachusetts, Nansei-shoto, New Hampshire, New Jersey, New York, Pennsylvania, Québec, Rhode I., Vermont, Virginia
Subspecies, Varieties & Forms