Difference between revisions of "Symphyotrichum subulatum var. parviflorum"
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|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Symphyotrichum | |genus=Symphyotrichum | ||
Revision as of 21:43, 27 May 2020
Plants (10–)70–150 cm. Stems usually simple, often with short, leafy branches proximally. Heads 20–100, in open, diffuse arrays, primary branches longer than peduncles. Involucres 5–6.2 mm. Phyllaries 30–42, sub-ulate to lanceolate, narrow, green zones narrowly lanceolate. Ray florets (23–)27–37(–42) in (1–)2 series; laminae usually white, sometimes pink, 1.9–3 × 0.2–0.5 mm, longer than pappi, drying in 1–2 coils (apices shallowly to deeply lobed). Disc florets (6–)8–15; corollas 3.4–4.4(–4.7) mm. Cypselae 1.5–2.7 mm; pappi 3.5–3.8(–4.2) mm. 2n = 10.
Phenology: Flowering Jul–Nov(–Jan).
Habitat: Roadsides, marshy habitats, often weedy
Elevation: 0–1100(–4000) m
Distribution
Ala., Ariz., Calif., Fla., Nev., N.Mex., Okla., Tex., Utah, Mexico, West Indies, Central America, n South America, introduced in Asia (Japan), Pacific Islands (Hawaii).
Discussion
Selected References
None.