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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. Stem: erect, openly branched. Leaf: basal and proximal cauline winged-petioled, mid and distal cauline sessile; entire to dentate or pinnately divided, long-soft hairy, minutely glandular. Inflorescence: heads disciform or radiant, long-peduncled, 1 or in few-headed cyme-like cluster; involucre ovoid, phyllaries many, graduated in 5+ series, appressed, ovate to lanceolate, entire or minutely spiny-toothed, acute, tapered smoothly to an ascending to reflexed, +- flattened spine at tip; receptacle flat, epaleate, bristly. Flower: corolla white or pink to purple [blue, yellow, or orange]; outer flowers sterile, corolla enlarged and spreading or inconspicuous and erect, lobes 5(6), linear; inner flowers bisexual, tube slender, throat narrowly cylindric, lobes linear-oblong, anther bases tailed, tips lanceolate, style tip with +- hairy node and short, linear terminal segment. Fruit: +- barrel-shaped or obconic, weakly compressed, 10-ribbed, tip with prominent collar, attachment scar lateral within cavity with hard rim; pappus persistent, of several series of narrow scales, white to tan.
Species In Genus: 16 species: Mediterranean, western Asia, Atlantic islands, northeastern Africa. Etymology: (Latin: having twist, for spirally coiled corolla lobes of original sp.) Note: Volutaria canariensis added, as naturalized.
eFlora Treatment Author: David J. Keil
Jepson Online Interchange
Key to VolutariaPrevious taxon: Viguiera purisimae
Next taxon: Volutaria canariensis
Citation for this treatment: David J. Keil 2016. Volutaria, Revision 2, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=82515, accessed on July 25, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on July 25, 2016.