Symphyotrichum subulatum (Michx.) G.L.Nesom
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Symphyotrichum subulatum (Michx.) G.L.Nesom, Phytologia 77 (1994)
Symphyotrichum subulatum (Michx.) G.L.Nesom
Nomenclature
(Michx.) G.L.Nesom
Michx.
G.L.Nesom
1994
ICN
species
Symphyotrichum subulatum
Classification
Subordinates
Vernacular names
Synonyms
Descriptions
Tap-rooted annual or short-lived perennial herb, glabrous or rarely with a few hairs on upper stem; stems erect, terete, sparingly branched below, 20-200 -(300) cm tall, rarely stems resprouting and somewhat woody after flowering. Mid cauline lvs lanceolate to linear, apetiolate and cuneate, acute, crenulate or remotely serrulate, 35-150 × 3-10-(20) mm; lowermost lvs mostly petiolate, elliptic, cuneate, obtuse; uppermost lvs linear. Infl. a many-headed diffuse panicle. Capitula 2-5 mm diam. Involucral bracts very unequal; inner bracts narrow-oblong to subulate, acute to slightly acuminate, green toward apex and along midrib, purplish at apex and margins, 5-8 mm long; outer bracts not wholly herbaceous, c. 2 mm long. Ray florets numerous; ligules white to pale purple, c. 1-2 mm long. Achenes subcylindric to ellipsoid, compressed, 4-5-ribbed, 1.5-2.2 mm long, with sparse antrorse hairs.
Taxonomic concepts
Aster subulatus Michx.
Aster subulatus Michx.
Symphyotrichum subulatum (Michx.) G.L.Nesom
Aster subulatus Michx.
Symphyotrichum subulatum (Michx.) G.L.Nesom
Symphyotrichum subulatum (Michx.) G.L.Nesom
Collections
Metadata
6273a5e9-4975-4952-adbe-1f8542acba4f
scientific name
Names_Plants
11 June 2012
11 June 2012