Английская Википедия:Ambrosia acanthicarpa
Шаблон:Short description Шаблон:Speciesbox
Ambrosia acanthicarpa is a North American species of bristly annual plants in the family Asteraceae. Members of the genus Ambrosia are called ragweeds. The species has common names including flatspine bur ragweed,[1] Hooker's bur-ragweed,[2] annual burrweed, annual bur-sage, and western sand-bur. The plant is common across much of the western United States and in the Prairie Provinces of Canada.[3][4]
This spiny, weedy plant grows in clumps of many erect stems which may reach over a meter in height. Its gray-green stems are covered in a coat of stiff, bristly hairs. The few rough leaves are several centimeters long. The racemes of flowers are more plentiful, with each hairy flower head a few millimeters wide. The spiny, burr-like pistillate heads have pointed, twisting bracts and the staminate heads are rounded. The species is adaptable and grows well in disturbed areas, easily becoming weedy.[5]
References
External links
- ↑ Шаблон:PLANTS
- ↑ Шаблон:BSBI 2007
- ↑ Biota of North America Program 2013 county distribution map
- ↑ Great Plains Flora Association. 1986. Flora of the Great Plains i–vii, 1–1392. University Press of Kansas, Lawrence.
- ↑ Flora of North America Vol. 21 Page 15 Ambrosia acanthicarpa Hooker, Fl. Bor.-Amer. 1: 309. 1833.
- Английская Википедия
- Ambrosia (plant)
- Plants described in 1833
- Taxa named by William Jackson Hooker
- Flora of Western Canada
- Flora of the Northwestern United States
- Flora of the North-Central United States
- Flora of the Southwestern United States
- Flora of the South-Central United States
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