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Tetradymia comosa
A. Gray
Family:
Asteraceae
Hairy Horsebrush
FNA
Resources
John L. Strother in Flora of North America (vol. 20)
Shrubs,
30-120 cm.
Stems
1-5+, erect (wandlike), unarmed, evenly pannose.
Leaves:
primaries lance-linear, stiff, pungent, not spinose, 20-60 (× 2-5) mm, tomentose; secondaries (seldom present) spatulate, 8-15 mm, tomentose.
Heads
3-6.
Peduncles
3-8 mm.
Involucres
hemispheric, 8 mm.
Phyllaries
5-6, oblanceolate.
Florets
5-9; corollas yellow to brownish, 8-9 mm.
Cypselae
ca. 4 mm, copiously pilose (hairs 6-10 mm);
pappi
0.
2
n
= 60.
Flowering spring-summer. Mostly sandy sites, chaparral, coastal sage scrub, sagebrush scrub; 300-1500 m; Calif.; Mexico (Baja California).
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