|University of California, Berkeley|
|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 [perennial herb, shrub], generally scented. Stem: erect. Leaf: pinnately divided or compound (in California), opposite throughout or distal alternate, sessile or petioled, dotted with embedded oil glands. Inflorescence: heads generally radiate, peduncled, 1 or in terminal cyme-like clusters; involucre cylindric to bell-shaped; phyllaries in 1 series, equal, fused, gland-dotted; receptacle flat or rounded, epaleate. Ray Flower: (0)1--many; corolla white to yellow, orange, or brown; style tips long, tapered. Disk Flower: 3--many; corolla yellow to orange or brown. Fruit: cylindric; pappus of scales, sometimes with 1 or more awns.
Species In Genus: +- 50 species: North America, South America. Etymology: (Possibly for the Etruscan god Tages) Toxicity: TOXIC to root-parasite nematodes. Note: Tagetes erecta L. (heads 1--few, generally large; involucre widely cylindric or bell-shaped, 13--19 mm; ray flowers 8--many) a waif in disturbed places.
eFlora Treatment Author: David J. Keil
Jepson Online Interchange
Key to TagetesPrevious taxon: Syntrichopappus lemmonii
Next taxon: Tagetes erecta
Citation for this treatment: David J. Keil 2016. Tagetes, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=626, accessed on April 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on April 30, 2016.