Perennials, 10–60 cm (rhizomes slender). Stems single, branches erect or ascending (from near bases), glabrous or sparsely puberulent. Leaves green at flowering; blades linear-lanceolate, 3–8 cm, margins entire or toothed (teeth remote, faces glabrous or sparsely puberulent). Heads borne singly along branches. Peduncles 10–50 mm (bracteate). Calyculi of (4–7) appressed bractlets (unequal, lengths to 1/2 phyllaries). Involucres 12–14 mm (phyllaries 8–12, glabrous). Florets (7–)8–10. Cypselae light tan. 5–6 mm, faces smooth, grooved; pappi of 25–30, light tan bristles (sometimes connate in groups of 5–6+, persistent), wholly plumose. 2n = 16.
Home