familyAsteraceae
genusSymphyotrichum
subgenusSymphyotrichum subg. Astropolium
speciesSymphyotrichum subulatum
Difference between revisions of "Symphyotrichum subulatum var. ligulatum"
Sida 21: 907. 2004.
Common names: Saltmarsh or southern annual saltmarsh aster
Basionym: Aster subulatus var. ligulatus Shinners Field & Lab. 21: 159. 1953
Synonyms: Symphyotrichum divaricatum (Nuttall) G. L. Nesom
Treatment appears in FNA Volume 20. Treatment on page 481.
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Latest revision as of 19:58, 5 November 2020
Plants (10–)60–200 cm. Stems usually simple, sometimes branched proximally. Heads 15–120, in open, diffuse arrays, secund on primary branches longer than peduncles. Involucres (5.2–)6–6.9 mm. Phyllaries 25–45(–62), subulate to lanceolate, narrow, green zones narrowly lanceolate. Ray florets 17–30(–45) in 1 series; laminae lavender to blue, (3.5–)4.5–7 × 0.9–1.3 mm, longer than pappi, drying in 3–5 coils (apices shallowly lobed). Disc florets (20–)33–50; corollas 3.7–4.5(–5) mm. Cypselae (1.3–)1.7–2.5(–2.9) mm; pappi (3–)3.5–4.6 mm. 2n = 10.
Phenology: Flowering Jul–Nov(–Feb).
Habitat: Marshy habitats, often weedy, roadsides, lawns, waste places
Elevation: 0–1500 m
Distribution
Ala., Ark., Kans., La., Miss., Nebr., N.Mex., Okla., Tenn., Tex., Mexico (Chihuahua, Coahuila, Tamaulipas).
Discussion
Selected References
None.
Lower Taxa
None.