Difference between revisions of "Hemizonia congesta subsp. congesta"
EndemicConservation concern
Synonyms: Hemizonia congesta subsp. leucocephala Hemizonia leucocephala
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | ||
Latest revision as of 20:14, 5 November 2020
Leaves villous (the distal often with hairs longer at margins), all or distal glandular, often sparsely (rarely eglandular). Heads (some or all) usually in glomerules, sometimes in corymbiform or paniculiform arrays. Peduncles 0 or 1–4 mm, bracts not surpassing phyllaries. Calyculi 0. Phyllaries 6–10 mm, apices usually longer than bodies. Ray florets 5–13; laminae white, abaxially purple-veined. Cypsela widths 0.5–0.6 times lengths. 2n = 28.
Phenology: Flowering May–Nov.
Habitat: Grasslands, meadows, marsh edges
Elevation: 0–100 m
Discussion
Of conservation concern.
Subspecies congesta occurs in the San Francisco Bay area and North Coast Ranges. Natural hybrids between subsp. congesta and subsp. lutescens have been reported (E. B. Babcock and H. M. Hall 1924).
Selected References
None.
Lower Taxa
None.