Trapa natans var. natans
Caltrop, European Water Chestnut
Other regional names: Jesuit's Nut
- Jesuit's Nut
Also known as: Trapa europaea var. vulgata Janković +1 more
- Trapa europaea var. vulgata Janković
- Tribulus aquaticus Garsault
Botanical Data
- Taxonomic Rank: Variety
- Botanical Family: Lythraceae
- WCVP Morphological Data: Recorded natively as a hydroannual.
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Trapa natans var. natans (commonly known as Caltrop or European water-chestnut) is an aquatic annual belonging to the Lythraceae family. Originating in Africa, Temperate Asia, Tropical Asia, and Europe, this variety is primarily associated with temperate conditions. It is a naturally occurring variety of Trapa natans, which is linked below, along with other varieties of this species.
Macro Climate
Temperate
Plant Type
Annual
Plant Type
Aquatic Plant
Native Range
Continents (WGSRPD)
AFRICA, ASIA-TEMPERATE, ASIA-TROPICAL, EUROPE
Regions (WGSRPD)
Caucasus, China, Eastern Asia, Eastern Europe, Indian Subcontinent, Indo-China, Malesia, Middle Asia, Middle Europe, Northern Africa, Northern Europe, Russian Far East, Siberia, Southeastern Europe, Southwestern Europe, Western Asia
Botanical Countries (WGSRPD L3)
Albania, Algeria, Altay, Amur, Assam, Austria, Baleares, Baltic States, Bangladesh, Belarus, Bulgaria, Buryatiya, Cambodia, Central European Russia, China North-Central, China South-Central, China Southeast, Chita, Czechoslovakia, East European Russia, France, Germany, Greece, Hainan, Hungary, India, Inner Mongolia, Iran, Irkutsk, Italy, Japan, Jawa, Kazakhstan, Khabarovsk, Korea, Krasnoyarsk, Krym, Manchuria, Myanmar, North Caucasus, Northwest European Russia, Poland, Primorye, Romania, South European Russia, Spain, Sumatera, Sweden, Switzerland, Taiwan, Thailand, Tibet, Transcaucasus, Tunisia, Turkey-in-Europe, Ukraine, West Himalaya, West Siberia, Xinjiang, Yugoslavia
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, New Hampshire, New Jersey, New York, Pennsylvania, Québec, Rhode I., Vermont, Virginia
Base Species & Variations