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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: Subshrub or shrub, 10--80+ cm; herbage scented. Stem: generally 1, prostrate to erect, generally branched, glabrous [hairy]. Leaf: alternate, petioled or sessile, blades +- obovate [oblong to lanceolate or linear] (bases sometimes +- clasping stem), glabrous [hairy], (1)2--3-pinnately lobed, lobes wedge-shaped to linear, ultimate margins dentate [entire]. Inflorescence: heads radiate [discoid], 1 or in open, flat-topped arrays; involucres 10--18[22+] mm diam, hemispheric or broader, phyllaries 28--45+, graduated in 3--4 series, free, persistent in fruit, oblancolate or ovate to lance-deltate or lanceolate, not ridged abaxially, margins and tips +- yellow to brown, scarious, tips of inner often +- expanded; receptacle convex to conic, epaleate. Ray Flower: 12--35+; corolla generally white, sometimes yellow or pink, ray +- ovate to linear. Disk Flower: 80--150+; corolla yellow [red, purple], tube +- cylindric, throat bell-shaped, lobes deltate; anther tip +- ovate; style tips truncate, papillate. Fruit: ray fruit 3-angled, each angle generally +- winged; all fruits +- ribbed, generally glabrous, sometimes gland-dotted between ribs; pappus 0, fruit wall sometimes forming a crown, teeth, or tubes at fruit tip.
Species In Genus: 24 species: Canary Islands, Madeira. Etymology: (Greek: silver-flower) Note: Cultivars of Argyranthemum foeniculaceum and/or Argyranthemum frutescens (L.) Sch. Bip., sometimes persisting near abandoned nurseries, sold as florists' daisies, marguerites, or Paris daisies.
eFlora Treatment Author: Bruce G. Baldwin, adapted from Strother (2006)
Jepson Online Interchange
Previous taxon: Arctotis venusta
Next taxon: Argyranthemum foeniculaceum
Citation for this treatment: Bruce G. Baldwin, adapted from Strother (2006) 2016. Argyranthemum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=319, accessed on August 26, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 26, 2016.