Hazardia orcuttii

(A. Gray) Greene

Erythea 2: 112. 1894

Common names: Orcutt’s bristleweed
Basionyms: Haplopappus orcuttii A. Gray
Treatment appears in FNA Volume 20. Treatment on page 449. Mentioned on page 446.
Shrubs, 50–100 cm. Stems glabrous, resinous. Leaves sessile; blades oblanceolate to narrowly obovate, 20–50 × 3–15 mm, coriaceous, bases barely subclasping, margins entire, glabrous. Heads in racemiform or paniculiform arrays. Involucres turbinate, 7–10 × 4–6 mm. Phyllaries erect to recurved, linear-oblong, apices obtuse, faces glabrous, resinous. Ray florets 8–12, fertile; corollas longer than involucres, conspicuous. Disc florets 10–20; corollas 5–7 mm. Cypselae 3–4.5, sparsely strigose. 2n = 10.

Phenology: Flowering Aug–Sep.
Habitat: Chaparral, coastal scrub, usually with Agave, Artemisia, Simmondsia, Opuntia, and Rhus, open habitats, coastal plains, and hills
Elevation: 10–200 m



Calif., Mexico (Baja California).




Lower Taxa

No lower taxa listed.