Atrichoseris platyphylla (A. Gray) A. Gray  
Family: Asteraceae
parachute plant,  more...
[Malacothrix platyphylla A. Gray]
Atrichoseris platyphylla image
Jo-Ann Ordano  
Stems glaucous. Basal leaves gray-green, glaucous, often purple-tinged, especially abaxially, often adaxially mottled, 1-12 × 0.5-6 cm. Heads 1.5-3.5 cm diam. Involucres 6-10 mm. Florets: corollas 8-20 mm, inner with bases yellow or purple, much shorter than outer. Cypselae 4-4.5 mm. 2n = 18. Flowering Feb-May. Dry desert slopes, valleys, and washes; 0-1400 m; Ariz., Calif., Nev., Utah; Mexico (Baja California). Atrichoseris platyphylla grows in the Mojave and Sonoran deserts.

Plant: Annual, 2-18 dm, glabrous; sap milky; Stem erect Leaves: basal and lowest cauline generally flat against soil, sessile or tapering to a short, winged petiole, 3-10 cm, obovate, obtuse, finely dentate, gray-green, often purple-tinged, especially below; cauline few, reduced to inconspicuous, triangular scales INFLORESCENCE: primary inflorescence a head, each resembling a flower; heads ligulate, 1.5-2.5 cm diam, few-many in an open scapose cyme; involucre 6-10 mm; phyllaries in 2-4 series, outer short, triangular to lanceolate, inner 10-15, ± equal; receptacle naked Flowers: fragrant; ligules white, readily withering Fruit: achenes, 4-4.5 mm with 5 thick, corky ribs, whitish; pappus 0 Misc: Desert valleys and washes; < 1400 m.; Mostly Mar-May
Atrichoseris platyphylla image
Gerald and Buff Corsi  
Atrichoseris platyphylla image
Gary A. Monroe  
Atrichoseris platyphylla image
Barry Breckling  
Atrichoseris platyphylla image
Gary A. Monroe  
Atrichoseris platyphylla image
Gary A. Monroe  
Atrichoseris platyphylla image
Barry Breckling  
Atrichoseris platyphylla image
Gerald and Buff Corsi  
Atrichoseris platyphylla image
Gary A. Monroe  
Atrichoseris platyphylla image
Gary A. Monroe  
Atrichoseris platyphylla image
Gregory Gust  
Atrichoseris platyphylla image
Gregory Gust  
Atrichoseris platyphylla image
Gregory Gust  
Atrichoseris platyphylla image
Gregory Gust  
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Ashley Shepherd-Hall  
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Atrichoseris platyphylla image
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Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
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Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Ashley Shepherd-Hall  
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
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Atrichoseris platyphylla image
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Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image
Ashley Shepherd-Hall  
Atrichoseris platyphylla image
Atrichoseris platyphylla image
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Atrichoseris platyphylla image
Atrichoseris platyphylla image
Atrichoseris platyphylla image