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

1f. Hemizonia congesta de Candolle subsp. lutescens (Greene) Babcock & H. M. Hall, Univ. Calif. Publ. Bot. 13: 38. 1924.

Hemizonia luzulifolia de Candolle var. lutescens Greene, Bull. Torrey Bot. Club 9: 16. 1882; H. citrina Greene; H. congesta var. lutescens (Greene) Jepson; H. congesta subsp. vernalis (D. D. Keck) Tanowitz; H. lutescens (Greene) D. D. Keck; H. luzulifolia de Candolle var. citrina (Greene) Jepson; H. multicaulis Hooker & Arnott; H. multicaulis subsp. vernalis D. D. Keck

Leaves pubescent, villous, or sericeous (distal with hairs not notably longer at margins), all or distal glandular. Heads in paniculiform arrays. Peduncles 0 or 1–20 mm, bracts not surpassing phyllaries. Calyculi 0. Phyllaries 4.5–6.5(–8) mm, apices usually shorter than bodies. Ray florets 5–14; laminae yellow, abaxially purple-veined. Cypsela widths 0.4–0.63 times lengths. 2n = 28.

Flowering Apr–Dec. Grassy slopes, flats, barrens, openings in woodlands or chaparral, often on serpentine; 0–500 m; Calif.

Subspecies lutescens occurs in the southern, outer North Coast Ranges and San Francisco Bay area and on the immediate coast, mostly north of the Golden Gate.


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