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Naturalized flora of The Morton Arboretum
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Hazardia cana
(A. Gray) Greene
(redirected from:
Diplostephium canum
A. Gray)
Family:
Asteraceae
San Clemente Island Bristleweed
[
Diplostephium canum
A. Gray]
FNA
Resources
W. Dennis Clark in Flora of North America (vol. 20)
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.
2
n
= 10.
Flowering Jun-Sep. Rocky canyon walls; 200-500 m; Calif.; Mexico (Baja California).
Hazardia cana
is known from San Clemente Island.
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