Anisocoma acaulis Torr. & A.Gray  
Family: Asteraceae
scalebud,  more...
Anisocoma acaulis image
Max Licher  
Leaves: blades 2-7 cm, lobes oblong to triangular, abaxially ± floccose-tomentose, glabrate in age. Heads 3-5+ cm diam., nodding in bud. Paleae 7--13 mm, persistent after cypselae have fallen. Involucres broadly cylindric to campanulate, 15-35 mm. Phyllaries often with reddish tips and dots, outer broadly rounded, 2-6 mm, inner 15-35 mm. Cypselae 4-7 mm; pappi 20-27 mm. 2. = 14. Flowering Mar-May. Sandy washes, dry slopes, chaparral, pine-oak-juniper woodlands, montane coniferous forests; 20-2400 m; Ariz., Calif., Nev.; Mexico (Baja California). Anisocoma acaulis grows on the southwestern fringe of the Great Basin and in the Mojave and Sonoran deserts.

Plant: Annual; sap milky Leaves: all basal, 3-5 cm, pinnately lobed; lobes toothed, ± hairy INFLORESCENCE: primary inflorescence a head resembling a flower; head ligulate, solitary, 2-3 cm; peduncle 5-20 cm, glabrous; phyllaries papery-transparent on margins, often with reddish tips and dots, in several series, outer short, oblong, blunt, inner linear, pointed; receptacle with long, narrow chaff scales Flowers: many; ligules pale yellow, readily withering; stamens 4-5, anthers generally fused into cylinder around style, often appendaged at tips, bases, or both, filaments generally free, generally attached to corolla near throat; pistil 1, ovary inferior, 1-chambered, 1-seeded, style 1, branches 2, generally hair-tufted at tip, stigmas 2, generally on inside of style branches Fruit: achene, 10-15-veined; pappus of plumose bristles in 1 series, white, those on inner side of achene < on outer Misc: Sandy washes, dry slopes; 600-2400 m.; Apr-Jun
Anisocoma acaulis image
Max Licher  
Anisocoma acaulis image
Max Licher  
Anisocoma acaulis image
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Matthew Hulen  
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Anisocoma acaulis image
Anisocoma acaulis image
Anisocoma acaulis image
Matthew Hulen  
Anisocoma acaulis image
Anisocoma acaulis image
Anisocoma acaulis image
Anisocoma acaulis image
Anisocoma acaulis image
Anisocoma acaulis image
Anisocoma acaulis image