Malacothrix foliosa subsp. polycephala
W.S. Davis
Family:
Asteraceae
FNA
Resources
W. S. Davis in Flora of North America (vol. 19, 20 and 21)
Stems
usually 1, erect, branched distally.
Distal cauline leaves
narrowly triangular, usually pinnately lobed (near bases, lobes 1-2 pairs, narrow).
Calyculi
of 8-12+, oblong to linear bractlets.
Involucres
5-7 × 2-4.5 mm.
Phyllaries
12-16+ in 2-3 series.
Corollas
medium yellow, 5-9 mm; outer ligules exserted 1.5-3.5 mm.
Cypselae
± cylindro-fusiform, 0.9-1.5 mm, ribs ± equal.
2
n
= 14.
Flowering Mar-Jul. Open sandy areas, dunes, between shrubs in chaparral; 0-100 m; Calif.
Subspecies
polycephala
is known only from San Nicolas Island.
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