Acaena pinnatifida
| Acaena pinnatifida | |
|---|---|
| |
| Acaena pinnatifida foliage and inflorescence | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Acaena |
| Species: | A. pinnatifida
|
| Binomial name | |
| Acaena pinnatifida | |
Acaena pinnatifida, known by the common names Argentinian biddy-biddy and California sheepbur, is a species of plant. It is known from California (United States) and in Argentina and Chile. The population from California is sometimes considered to be a distinct species or variety from the population in South America.
Distribution and habitat
[edit]Acaena pinnatifida is known from California (in the United States), and in South America (Chile to Argentina).[2] In North America, the species grows on roadsides, sand dunes, rocky slopes and coastal grasslands.[3]
Taxonomy
[edit]Acaena pinnatifida was first formally named and described in 1798 by Hipólito Ruiz López and José Antonio Pavón (Spanish botanists) in the Flora Peruviana, et Chilensis journal.[2]
Etymology
[edit]In English, Acaena pinnatifida is commonly known as the Argentinian biddy-biddy and as the California sheepbur.[1]
Varieties
[edit]Acaena pinnatifida is often discussed as consisting of distinct varieties. These include the following:
- Acaeana pinnatifida var. californica, which is endemic to coastal scrub areas and open rocky slopes in California. It is a perennial herb that flowers between March and May. It can be found at elevations ranging from 50–400 m (160–1,310 ft). This variety has also been treated by some authorities as a distinct species (Acaena californica).[4]
References
[edit]- ^ a b NatureServe (3 January 2025). "Acaena pinnatifida | NatureServe Explorer". NatureServe Explorer. Arlington, Virginia. Retrieved 5 January 2025.
- ^ a b "Acaena pinnatifida Ruiz & Pav. | Plants of the World Online | Kew Science". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 5 January 2025.
- ^ "Acaena pinnatifida - FNA". floranorthamerica.org. Retrieved 2025-01-05.
- ^ "Acaena californica". ucjeps.berkeley.edu. Retrieved 2025-01-05.
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