Doellingeria infirma
Appalachian white-aster, cornel-leaf or cornel-leaf whitetop aster, cornel-leaf whitetop
1, ascending to erect, slightly to strongly flexuous, striate, glabrous.
mid and distal not crowded, blades broadly lanceolate to oblanceolate, 50–130 × 15–45 mm, reduced and narrower distally, bases cuneate, margins flat to ± involute, finely ciliate, apices acuminate, faces glabrous or sparsely hairy.
1–10 mm (leafless or nearly so), sparsely to moderately canescent;
bracts linear-lanceolate to broadly lanceolate.
3.8–6.8 mm.
4–13(–20);
corollas 4–7 mm, lobes 2.5–3.5 mm, 50–75% of limbs.
in 4–5 series, midveins usually swollen and translucent, apices narrowly rounded, glabrate.
(1–)3–33(–78).
1.8–3.8 mm, 6–10-ribbed, glabrous, rarely sparsely strigose, sometimes sparsely glandular;
pappi: outer 0.5–1 mm, inner 3.9–5 mm.
(3–)4–8(–11);
laminae 6–12(–14.5) × 1–3.3 mm.
= 18.
Doellingeria infirma
Doellingeria infirma is found in the Appalachian Mountains, the Piedmont and adjacent plateaus, to northern Florida.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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