Agnorhiza bolanderi
| Agnorhiza bolanderi | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Agnorhiza |
| Species: | A. bolanderi |
| Binomial name | |
| Agnorhiza bolanderi (A.Gray) W.A.Weber | |
| Synonyms | |
|
Balsamorhiza bolanderi | |
Agnorhiza bolanderi (syn. Wyethia 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.[1] It grows in chaparral and grassland habitat, usually on serpentine soils. It 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.[1] 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, sunflowerlike 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.
References
- ↑ 1.0 1.1 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. Am J Bot 86 344-53.