Encelia ravenii

Encelia ravenii is a multi−branched perennial shrub, reaching 1–3 feet (0.30–0.91 m) in height. The branches are lined with oval to roughly triangular leaves a few centimeters long, that are gray-green and woolly in texture.

Encelia ravenii
Encelia ravenii, San Felipe Late January, 2019
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Encelia
Species:
E. ravenii
Binomial name
Encelia ravenii
Elmer

The inflorescence is a solitary daisylike flower head 1–2 inches (2.5–5.1 cm) in diameter, on a tall, erect peduncle. The head has a center of many yellow disc florets surrounded by up to 25 white ray florets. The involucre consists of long, prominent phyllaries. It blooms in the Spring.[1]

The fruit is an achene about half a centimeter long, usually lacking a pappus. The fruits have ciliate margins

Distribution

The plant is native to Baja California in México, where it is known only from one small granite hill near the Gulf Coast town of San Felipe.


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References
  1. S&S Seeds−California Native Seeds: Encelia actoni
  • Clark, Curtis (1998). Phylogeny and Adaptation in the Encelia Alliance. Aliso: A Journal of Systematic and Evolutionary Botany, Vol 17, Issue 2.
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