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FNA | Family List | FNA Vol. 20 | Asteraceae | Packera

36c. Packera neomexicana (A. Gray) W. A. Weber & Á. Löve var. toumeyi (Greene) Trock & T. M. Barkley, Sida. 18: 386. 1998.

Toumey’s groundsel

Senecio toumeyi Greene, Pittonia 3: 349. 1898; S. blumeri Greene; S. neomexicanus A. Gray var. toumeyi (Greene) T. M. Barkley

Perennials, densely lanate or woolly, rhizomatous (rhizomes creeping) or fibrous-rooted (caudices suberect). Stems 1 (scapiform). Basal leaves: blades ovate to obovate, margins irregularly dentate. Cauline leaves inconspicuous (abruptly reduced, bractlike). 2n = 44, 46.

Flowering mid Apr–early Jul. Well-drained, rocky soils in coniferous woodlands; of conservation concern; 1800–2500 m; Ariz., N.Mex.

Variety toumeyi is known only from the Pinal, Chiricahua, and Santa Catalina mountains of Arizona and the Animas and Black mountains of New Mexico. Although range and habitat of var. toumeyi overlap with those of var. neomexicana, the two are readily distinguished. Adaxial leaf faces of var. toumeyi are glabrate and the plants are scapiform.


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