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

3. Deinandra floribunda (A. Gray) Davidson & Moxley, Fl. S. Calif. 401. 1923.

Hemizonia floribunda A. Gray, Proc. Amer. Acad. Arts 11: 79. 1876

Annuals, 30–100 cm. Stems ± solid. Leaves: proximal blades entire or toothed, faces pilose and stipitate-glandular. Heads in racemiform-paniculiform arrays (often narrow; side branches strict, short). Bracts subtending heads overlapping proximal 0–1/2+ of each involucre or not. Phyllaries ± evenly stipitate-glandular, including margins and apices, usually with non-glandular, non-pustule-based hairs as well. Paleae in 1 series. Ray florets 13–20; laminae deep yellow, 4–7 mm. Disc florets 24–31, all or mostly bisexual; anthers reddish to dark purple. Pappi of 6–10 (often rufous and/or flecked), oblong to elliptic, fringed scales 0.7–1.5 mm. 2n = 26.

Flowering Aug–Nov. Moist openings in chaparral, streambeds, disturbed sites; of conservation concern; 70–1200 m; Calif.; Mexico (Baja California).

Deinandra floribunda is known from valleys and hills of the southern Peninsular Ranges, within ca. 15 km of the Mexican border.


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