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Manyray Aster

Symphyotrichum anomalum (Engelm.) G. L. Nesom

Comments

provided by eFloras
A. G. Jones (1989, 1992) reported that Symphyo­trichum anomalum may hybridize with S. drummondii, S. oolentangiense, and S. shortii.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 471, 500, 504, 505 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Description

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Perennials, 20–100(–120) cm, cespitose; usually with short, stout, branched caudices, woody with age, sometimes long-rhizomatous. Stems 1–5+, erect or ascending (straight, often stout), proximally usually ± densely hirtellous, sometimes glabrescent, distally hirsute. Leaves thick, firm, margins (slightly undulate) scabrous, adaxial faces glabrous or strigose, scabrous, adaxial ± sparsely hirsute to scabro-hirtellous, sometimes ± scabrous (cauline sometimes with tufts of smaller leaves in axils); basal withering by flowering, petiolate (petioles sometimes narrowly winged), blades oblong-ovate to lanceolate, 10–40 × 10–20 mm, bases deeply cordate, margins sparsely serrate to serrulate, apices usually acute, sometimes obtuse to rounded; proximal cauline usually withering by flowering, petiolate (petioles slender to ± winged), blades ovate to broadly lanceolate, 40–90 × (15–) 25–50 mm, bases shallowly cordate or rounded to attenuate, rarely truncate, margins subentire or entire (rarely serrulate), apices acute or acuminate, with short callus point; distal subpetiolate or sessile, blades ovate to lanceolate or linear-lanceolate, 10–70 × 1–10 mm, gradually or abruptly reduced distally, bases attenuate to cuneate, margins entire, apices acute to acuminate. Heads in open, diffuse, paniculiform arrays, branches divaricate, stout, long, densely bracteate. Peduncles densely bracteate, 0.3–5(–10) cm (rarely subsesssile), bracts numerous, linear, 2–6 mm, mucronulate, grading into phyllaries. Involucres campanulate, 5–10 mm. Phyllaries in 4–6 series, oblong-lanceolate (outer) to oblanceolate-linear (innermost), unequal, bases indurate (appressed), margins ciliate to scabro-ciliate, green zones diamond-shaped to lanceolate, ± foliaceous distally, apices reflexed to squarrose, long-acuminate, apiculate, often purple, faces strigoso-hirtellous. Ray florets 18–45; corollas usually bright lavender-blue to purple, seldom white, laminae 9–15(–18) × 1–3.2 mm. Disc florets 33–40+; corollas cream or light yellow turning pinkish purple, (4–)4.5–5.5 mm, tubes shorter than funnelform throats, lobes sometimes ± spreading, triangular to lanceolate, 0.5–0.8 mm. Cypselae deep purple to purplish brown or brown with purple speckles (nerves stramineous), oblong-obovoid, compressed, (1–)2.5–3.5(–3.8) mm, 5–6-nerved, faces glabrous; pappi tawny or rose-tinged, 3.7–5.2 mm. 2n = 16.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 471, 500, 504, 505 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

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Aster anomalus Engelmann ex Torrey & A. Gray, Fl. N. Amer. 2: 503. 1843
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 471, 500, 504, 505 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Symphyotrichum anomalum

provided by wikipedia EN

Symphyotrichum anomalum (formerly Aster anomalus) is a species of flowering plant in the family Asteraceae native to Arkansas, Illinois, Kansas, Missouri, and Oklahoma. Commonly known as manyray aster, it is a perennial, herbaceous plant that may reach 20 to 120 centimeters (34 to 4 feet) tall. Its flowers have lavender or blue to purple, seldom white, ray florets and cream or light yellow, then pinkish-purple disk florets.[3] Its flowers are attractive to butterflies. The lower leaves have untoothed margins and are heart-shaped at the base.[4]

View of involucres and phyllaries

Citations

References

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Symphyotrichum anomalum: Brief Summary

provided by wikipedia EN

Symphyotrichum anomalum (formerly Aster anomalus) is a species of flowering plant in the family Asteraceae native to Arkansas, Illinois, Kansas, Missouri, and Oklahoma. Commonly known as manyray aster, it is a perennial, herbaceous plant that may reach 20 to 120 centimeters (3⁄4 to 4 feet) tall. Its flowers have lavender or blue to purple, seldom white, ray florets and cream or light yellow, then pinkish-purple disk florets. Its flowers are attractive to butterflies. The lower leaves have untoothed margins and are heart-shaped at the base.

View of involucres and phyllaries
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Wikipedia authors and editors
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