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FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Malacothrix

12e. Malacothrix saxatilis (Nuttall) Torrey & A. Gray var. commutata (Torrey & A. Gray) Ferris, Aliso. 4: 100. 1958.

Malacothrix commutata Torrey & A. Gray, Fl. N. Amer. 2: 487. 1843

Plants rhizomatous or with woody caudices. Herbage glabrous or ± arachnose. Stems 1 (plants rhizomatous) or 2–3+ (plants with woody caudices), erect, freely branched, herbaceous, relatively leafy distally. Cauline leaves: proximal not pinnately lobed (lanceolate to lance-linear, margins entire or denticulate, apices acute to acuminate); distal lanceolate or elliptic to linear, margins entire or denticulate, apices acute to acuminate. Arrays of heads relatively crowded. Cypselae 2–2.5 mm. 2n = 18.

Flowering Mar–Dec. Crumbling shale along roadcuts, in canyons, chaparral, foothill woodlands; 200–1600 m; Calif.

Variety commutata grows on the eastern face of the Transverse Range (Ventura County), in canyons in the Coast Ranges to Monterey County, and in the Breckenridge Mountains (Kern County).


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