Hemizonia congesta subsp. lutescens

(Greene) Babcock & H. M. Hall

Univ. Calif. Publ. Bot. 13: 38. 1924.

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
Treatment appears in FNA Volume 21. Treatment on page 293. Mentioned on page 291, 292.
Revision as of 19:38, 16 December 2019 by FNA>Volume Importer

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.
Bruce G. Baldwin +  and John L. Strother +
(Greene) Babcock & H. M. Hall +
Hemizonia luzulifolia var. lutescens +
0–500 m +
Grassy slopes, flats, barrens, openings in woodlands or chaparral, often on serpentine +
Flowering Apr–Dec. +
Univ. Calif. Publ. Bot. +
Illustrated +  and Endemic +
Hemizonia citrina +, Hemizonia congesta var. lutescens +, Hemizonia congesta subsp. vernalis +, Hemizonia lutescens +, Hemizonia luzulifolia var. citrina +, Hemizonia multicaulis +  and Hemizonia multicaulis subsp. vernalis +
Hemizonia congesta subsp. lutescens +
Hemizonia congesta +
subspecies +