Compilation
Aster subulatus

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Name

Identification
Aster subulatus Michx. [family ASTERACEAE ]
Related name
  • Aster subulatus

Flora

Entry for Symphyotrichum subulatum (Michaux) G. L. Nesom var. subulatum [family ]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Symphyotrichum subulatum (Michaux) G. L. Nesom var. subulatum [family ]
Aster subulatus Michaux var. obtusifolius Fernald [family COMPOSITAE]
Treatment Author(s)
Luc Brouillet
John C. Semple
Geraldine A. Allen
Kenton L. Chambers
Scott D. Sundberg†
Information
Plants 30–120(–150) cm. Stems simple. Heads (10–)30–100(–150), in elongate, pyramidal, much branched arrays. Involucres (5–) 6–7(–8.2) mm. Phyllaries 20–30, subulate to lanceolate, narrow, green zones narrowly to broadly lanceolate, extending phyllary length. Ray florets 16–30 in 2 series; laminae white (drying white or lavender), (1.3–)1.5–2.6(–3.1) × 0.2–0.5 mm, shorter to slightly longer than pappi, drying in 0–1 coil (apices often deeply lobed). Disc florets 4–10(–13); corollas 3.8–4.6(–4.9) mm. Cypselae (1.2–)1.5–2.5 mm; pappi (3.5–)4–5.5 mm. 2n = 10.
Phenology
midsummer
winter
dec
jan
feb
Altitude range
0 (100–300 inland) m;
Distribution
introduced in AsiaAfrica.USA Ala.USA Ark.USA Conn.USA Del.USA Fla.USA Ga.USA Ill.USA Ind.USA La.USA MaineUSA Md.USA Mass.USA Mich.USA Miss.USA Nebr.USA N.H.USA N.J.USA N.Y.USA N.C.USA OhioUSA Pa.USA R.I.USA S.C.USA Tex.USA Va.Canada N.B.Canada Ont.
Discussion
Variety subulatum is disjunct in northern New Brunswick. It is apparently introduced around salt mines and other salted habitats in Ontario, Michigan, and Ohio.

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