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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; taprooted; sap milky. Stem: 1--3, 5--30 cm, erect or ascending, branched from near base; proximally glabrous, distally conspicuously dotted with tack-shaped glands. Leaf: alternate, sessile; basal blades pinnately lobed, lobes narrow, linear, spreading, ultimate margins entire, smooth; distal cauline reduced to linear bracts. Inflorescence: heads liguliflorous, 1 or in open, few-headed clusters, peduncles 1--3 cm; phyllaries in 2 series, outer unequal, < 1/2 × inner, reflexed, inner lance-linear, equal, scarious-margined, acute, reflexed in fruit; receptacle flat, smooth, each flower subtended by 1 fine, smooth bristle. Flower: many; ligules yellow or white, readily withering. Fruit: fusiform, body tapered to beak, ribs 5, separated by grooves, faces smooth or roughened; pappus of 50+ smooth, white, basally fused bristles, borne on finely toothed cup at beak tip, deciduous.
Species In Genus: 2 species: southwestern United States, northwestern Mexico. Etymology: (Greek: alluding to shallow cup on fruit tip and to chicory) Note: Perhaps best placed in Malacothrix (Lee et al. 2003 Syst Bot 28:616--626).
eFlora Treatment Author: L.D. Gottlieb
Jepson Online Interchange
Key to CalycoserisPrevious taxon: Calycadenia villosa
Next taxon: Calycoseris parryi
Citation for this treatment: L.D. Gottlieb 2017. Calycoseris, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=358, accessed on March 26, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 26, 2017.