Pterocaulon is a genus of flowering plants in the sunflower family, native to North and South America and to Australasia. Blackroot is a common name for species native to North America.
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Pterocaulon is a genus of flowering plants in the sunflower family, native to North and South America and to Australasia. Blackroot is a common name for species native to North America.
The plants are perennial herbs, frequently densely covered with woolly hairs. The generic name means "winged stem," referring to the decurrent leaf bases that give the appearance of wings running down the sides of the stems. Species Pterocaulon alopecuroides - South America, Puerto Rico, Virgin Islands Pterocaulon angustifolium - Brazil, Argentina, Paraguay, Uruguay Pterocaulon balansae - Brazil, Argentina, Paraguay, Uruguay Pterocaulon cordobense - Brazil, Argentina, Paraguay, Uruguay Pterocaulon globuliflorus - Western Australia, Northern Territory Pterocaulon lanatum - Brazil, Bolivia, Paraguay, Salta Pterocaulon lorentzii - Brazil, Argentina, Paraguay, Uruguay, Bolivia Pterocaulon niveum - Western Australia, Northern Territory Pterocaulon polypterum - Brazil, Argentina, Uruguay Pterocaulon polystachyum - Brazil, Argentina, Paraguay, Uruguay Pterocaulon purpurascens - Mato Grosso, Argentina, Paraguay, Bolivia Pterocaulon pycnostachyum - United States (AL GA FL SC NC) Pterocaulon redolens - Indochina, Hainan, Orissa, Philippines, Maluku, New Guinea, eastern Australia Pterocaulon rugosum - Brazil, Argentina, Paraguay Pterocaulon serrulatum - Western Australia, Northern Territory, South Australia Pterocaulon sphacelatum - Australia Pterocaulon sphaeranthoides - Western Australia, Northern Territory, Queensland Pterocaulon spicatum - South America Pterocaulon verbascifolium - Western Australia, Northern Territory, Queensland Pterocaulon virgatum - Central + South America, West Indies, United States (TX LA)
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).