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

146. Erigeron kuschei Eastwood, Proc. Calif. Acad. Sci., ser. 4. 20: 158. 1931.

Chiricahua fleabane

Perennials, 5–15 cm; rhizomatous, fibrous-rooted, primary rhizomes slender, lignescent, sometimes herbaceous, leafy (like runners), producing terminal rosettes, apparently without central axes. Stems ascending (greenish), sparsely pilose (hairs spreading-ascending), strigose proximally, eglandular. Leaves basal (persistent) and cauline (petioles 1 / 2 – 2 / 3 lengths of blades); basal (greenish) blades spatulate, 10–60 × 3–10 mm, margins entire, faces sparsely strigose, eglandular; cauline (restricted to proximal 1 / 2 of stems) blades lanceolate to elliptic (bases subclasping). Heads 1(–4) (from branches distal to midstem). Involucres 4–5 × 8–10 mm. Phyllaries in 3–4 series (erect, apices appressed), margins ciliate, midveins sparsely hirsute (hair cross walls not colored), densely minutely glandular. Ray florets 32–45; corollas white, 8–11 mm, laminae slightly coiling. Disc corollas 2.5–3 mm. Cypselae ca. 1.6 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 15–19 bristles.

Flowering Jun–Aug(–Oct). Crevices and ledges, cliff bases, outcrops, usually facing north, commonly in moss carpets, pine, mixed conifer forests; of conservation concern; 2100–2900 m; Ariz.


 

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