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FNA | Family List | FNA Vol. 21 | Asteraceae | Hemizonia

1a. Hemizonia congesta de Candolle subsp. clevelandii (Greene) Babcock & H. M. Hall, Univ. Calif. Publ. Bot. 13: 48. 1924.

Hemizonia clevelandii Greene, Bull. Torrey Bot. Club 9: 109. 1882

Leaves hirsute to villous and often hispidulous or strigose, all or distal usually stipitate-glandular. Heads in spiciform-racemiform to spiciform-paniculiform arrays. Peduncles 0 or 1–4 mm, bracts not or barely surpassing phyllaries. Calyculi 0. Phyllaries 3–7 mm, apices usually shorter than bodies. Ray florets 5–8; laminae white, abaxially purple-veined. Cypsela widths 0.6–0.75 times lengths. 2n = 28.

Flowering Jun–Nov. Dry sites, grasslands, openings in chaparral and woodlands; 40–1600 m; Calif., Oreg.

Subspecies clevelandii occurs in interior habitats from southern North Coast Ranges in California to northern Klamath Ranges in southwestern Oregon.


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