Subshrubs or shrubs, (30-)40-120+ cm (taproots forming woody crowns). Herbage glabrous or ± lanate-tomentose. Stems usually multiple (little branched, arching-erect). Leaves ± evenly distributed; sessile or obscurely petiolate; blades narrowly linear to filiform (or pinnatifid, the segments linear to filiform), 3-10(-12) cm, bases ± linear, ultimate margins entire or remotely toothed (fascicles of smaller leaves sometimes borne in axils of larger leaves). Heads (1-)3-10(-20+) in corymbiform or subcorymbiform clusters, often gathered in larger, showy arrays (involucres campanulate or cylindric). Calyculi usually of 3-5+ bractlets (lengths often to 1 / 2 + phyllaries), sometimes 0. Phyllaries ± 13 or ± 21+, 5-10(-12) mm, tips green or minutely black. Ray florets usually ± 8 or ± 13, sometimes ± 21; corolla laminae 10-15(-20) mm (mostly yellow, sometimes ochroleucous). Cypselae hairy.

Santa Catalina Mountain Foothills.
Sabino Mountain Community
Location: On gravel shoulder of community road.
3/2/16

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