Agnorhiza bolanderi
| Agnorhiza bolanderi | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Tribe: | Heliantheae |
| Genus: | Agnorhiza |
| Species: | A. bolanderi |
| Binomial name | |
| Agnorhiza bolanderi | |
| Synonyms[2] | |
| |
Agnorhiza bolanderi is a species of flowering plant known by the common name Bolander's mule's ears. It is endemic to California, where it is known only from a narrow section of the Sierra Nevada foothills about 275 kilometers long from Shasta County to Mariposa County.[3] It grows in chaparral and grassland habitat, usually on serpentine soils.[4][5]
Description
Agnorhiza bolanderi is a perennial herb growing from a thick taproot and caudex unit. This underground stem part helps it survive wildfire, which is common in its chaparral habitat.[3] The aboveground stem grows up to 30 centimeters long. It is glandular and sticky in texture. The leaves have oval blades up to 12 centimeters long. The inflorescence is a solitary bell-shaped, sunflower-like flower head sometimes tucked amongst the uppermost leaves. The head contains about 13 yellow ray florets which may be 2 to 3 centimeters long or more. At the center are yellow disc florets. The fruit is an achene about 7 millimeters long which does not have a pappus.[6][7]
The species is named for German-American botanist Henry Nicholas Bolander, 1831–1897.[8]
References
- ↑ "NatureServe Explorer - Agnorhiza bolanderi". NatureServe Explorer Agnorhiza bolanderi. NatureServe. 2022-05-30. Retrieved 30 May 2022.
- ↑ The Plant List, Agnorhiza bolanderi (A.Gray) W.A.Weber
- 1 2 Ayres, D. R. and F. J. Ryan. (1999). Genetic diversity and structure of the narrow endemic Wyethia reticulata and its congener W. bolanderi (Asteraceae) using RAPD and allozyme techniques.[link removed] American Journal of Botany 86 344-53.
- ↑ Biota of North America Program 2014 county distribution map
- ↑ Calflora taxon report, Wyethia bolanderi (A. Gray) W.A. Weber Bolander wyethia, Bolander's mule ears, Bolander's wyethia
- ↑ Flora of North America, Vol. 21 Page 105, Agnorhiza bolanderi
- ↑ Jepson Manual Treatment
- ↑ Gray, Asa 1868. Proceedings of the American Academy of Arts and Sciences 7(2): 356 in English and Latin, as Balsamorhiza bolanderi
External links
- United States Department of Agriculture Plants Profile
- Calphotos Photo gallery, University of California
- Jepson Manual Treatment