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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual or perennial herb from caudex or rhizome. Stem: generally erect, 1--24 dm. Leaf: basal and/or cauline, alternate, generally entire; basal generally petioled. Inflorescence: heads generally radiate, 1 or in cyme- or panicle-like cluster; involucre cylindric to hemispheric; phyllaries graduated or +- equal in 2--6 series, at least inner proximally with pale, papery margins; receptacle +- flat, pitted, epaleate. Ray Flower: 14--100+; corolla violet to pink or white. Disk Flower: 4--60+; corolla, anthers generally yellow, tube generally < throat; anther tip +- triangular; style branches flat on inner face, base +- warty, tip acute, hairy. Fruit: generally rounded, +- ribbed, +- brown; pappus of bristles, white to +- brown.
Species In Genus: +- 90 species: North America, South America, eastern Eurasia. Etymology: (Greek: bristle hair) Note: Reported records of Symphyotrichum laeve (L.) G.L. Nesom var. geyeri (A. Gray) G.L. Nesom from Del Norte Co. are Symphyotrichum subspicatum (Nees) G.L. Nesom.
eFlora Treatment Author: Geraldine A. Allen
Jepson Online Interchange
Key to SymphyotrichumPrevious taxon: Stylocline sonorensis
Next taxon: Symphyotrichum ascendens
Citation for this treatment: Geraldine A. Allen 2016. Symphyotrichum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=69305, accessed on May 23, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 23, 2016.