Compilation
Haplopappus canus

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Name

Identification
Haplopappus canus (A.Gray) S.F.Blake [family ASTERACEAE ] (stored under name);
Related name
  • Diplostephium canum
  • Haplopappus canus
  • Aplopappus canus
  • Hazardia cana
Common name
  • San Clemente Island bristleweed, Flora of North America Vol. 20

Flora

Entry for Hazardia cana (A. Gray) Greene [family COMPOSITAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Hazardia cana (A. Gray) Greene [family COMPOSITAE], Pittonia, 1: 29. 1887
Diplostephium canum A. Gray [family COMPOSITAE], Proc. Amer. Acad. Arts, 11: 75. 1876
Haplopappus canus (A. Gray) S. F. Blake [family COMPOSITAE]
Treatment Author(s)
W. Dennis Clark
Information
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
jun-aug (summer), sep (fall)
Altitude range
200–500 m;
Distribution
Mexico (Baja California).USA Calif.
Discussion
Hazardia cana is known from San Clemente Island.

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