Symphyotrichum subg. Chapmaniani
Perennials, eglandular; usually short-rhizomatous, sometimes with caudices. Stems not brittle at maturity, glabrous. Leaves: basal persistent to flowering, petiolate (petioles sometimes marcescent), blades 1-nerved, linear to linear-lanceolate sparsely denticulate or entire; cauline sessile, blades linear, bases clasping or subclasping. Heads radiate. Phyllaries unequal (bases indurate), green zones narrowly lanceolate (faces sparsely villous). Rays florets 8–23 in 1 series; laminae (10–)14–15(–20) × 0.8–2.2 mm. Disc corollas ± ampliate, throats funnelform to narrowly campanulate, lobes erect. Cypselae obovoid, compressed, 8–10(–14)-nerved, glabrous. x = 7.
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