familyAsteraceae
genusHemizonia
speciesHemizonia congesta
subspeciesHemizonia congesta subsp. lutescens
Hemizonia congesta subsp. lutescens
Univ. Calif. Publ. Bot. 13: 38. 1924.
Endemic
Basionym: Hemizonia luzulifolia var. lutescens Greene Bull. Torrey Bot. Club 9: 16. 1882
Synonyms: Hemizonia citrina Greene Hemizonia congesta var. lutescens (Greene) Jepson Hemizonia congesta subsp. vernalis (D. D. Keck) Tanowitz Hemizonia lutescens Hooker & Arnott Hemizonia luzulifolia var. citrina (Greene) Jepson Hemizonia multicaulis Hemizonia 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.
Phenology: Flowering Apr–Dec.
Habitat: Grassy slopes, flats, barrens, openings in woodlands or chaparral, often on serpentine
Elevation: 0–500 m
Discussion
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.
Selected References
None.
Lower Taxa
None.