Difference between revisions of "Hazardia cana"

(A. Gray) Greene

Pittonia 1: 29. 1887.

Common names: San Clemente Island bristleweed
Basionym: Diplostephium canum A. Gray Proc. Amer. Acad. Arts 11: 75. 1876
Synonyms: Haplopappus canus (A. Gray) S. F. Blake
Treatment appears in FNA Volume 20. Treatment on page 449. Mentioned on page 446.
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|tribe=Asteraceae tribe Astereae
 
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|genus=Hazardia

Revision as of 20:22, 16 December 2019

Shrubs, 60–250 cm. Stems lanate-tomentose. Leaves subsessile or subpetiolate; blades oblanceolate, 4–12 × 1–4 cm, thin, bases not clasping, margins serrulate to subentire, abaxial faces densely short-tomentose, adaxial glabrate or glabrescent. Heads in thyrsiform arrays. Involucres broadly turbinate, 7–10 × 5–8 mm. Phyllaries erect, oblong, apices acute, faces of outer loosely woolly-tufted apically. Ray florets 6–14, fertile; corollas shorter than involucre, inconspicuous. Disc florets 15–25; corollas 5–8 mm. Cypselae 3–4 mm, canescent. 2n = 10.


Phenology: Flowering Jun–Sep.
Habitat: Rocky canyon walls
Elevation: 200–500 m

Distribution

V20-1035-distribution-map.gif

Calif., Mexico (Baja California).

Discussion

Hazardia cana is known from San Clemente Island.

Selected References

None.

Lower Taxa

None.