Flora of North America species comparison

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Symphyotrichum sect. Conyzopsis
Habit Annuals (sometimes perennials in S. frondosum); taprooted.
Stems

usually branched.
Disc corollas

barely ampliate, lobes erect.
Heads

radiate or disciform.
Ray

(or pistillate) florets more numerous than disc florets, in 2–5+ series (corollas reduced to narrow laminae or to tubes).
Pappi

longer than disc florets at flowering.
x

= 7.

Symphyotrichum sect. Conyzopsis
Distribution
North America; nw Mexico; Eurasia
Discussion

Species 3 (3 in the flora).

A. G. Jones (1989) segregated Brachyactis from Aster in a broad sense. Recent molecular phylogenetic analyses (J. C. Semple et al. 2002) do not support this relationship, species of sect. Conyzopsis clearly belonging in Symphyotrichum.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 499.
Parent taxa Asteraceae > tribe Astereae > Symphyotrichum > subg. Symphyotrichum
Subordinate taxa
Synonyms Aster unranked Conyzopsis, Aster subg. Conyzopsis, section Brachyactis
Name authority (Torrey & A. Gray) G. L. Nesom: Phytologia 77: 271. (1975)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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