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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: Annual to shrub, generally aromatic. Leaf: entire to +- lobed, glabrous to densely hairy; hairs glandular (resin-filled) or T-shaped, hollow. Inflorescence: heads discoid or disciform, in spike-, raceme-, or generally panicle-like clusters; involucre ovoid to hemispheric, generally concealing flowers; phyllaries in 1--several series, persistent, margins scarious; receptacle hemispheric to conic, generally epaleate, generally glabrous. Pistillate Flower: 0--many; corolla generally <= 2 mm, tubular, rarely short ray-like extension present. Disk Flower: 3--many, generally bisexual, sometimes staminate (ovary vestigial, style branches remaining erect or style unbranched, tip expanded, tack-shaped); corolla <= 2.5 mm, +- pale yellow, tube < throat, lobes short-triangular; anther tip acute-ovate to awl-shaped; style tips flat, truncate, hair-fringed. Fruit: < 2 mm, obovoid or fusiform, sometimes ribbed, glabrous, hairy, or resin-gland-dotted; pappus generally 0 or minute crown.
Species In Genus: +- 400 species: especially northern hemisphere. Etymology: (Greek: Artemis, goddess of the hunt, noted herbalist, Queen of Anatolia) Note: Reports of Artemisia campestris L. subsp. pacifica (Nutt.) H.M. Hall & Clem. for California unconfirmed. Artemisia arbuscula var. thermopola Beetle not in California. Artemisia absinthium L. often cultivated, may persist, perhaps naturalizing in northeastern California. Recent studies place Sphaeromeria in the Artemisia clade (Garcia et al. 2011 Amer J Bot).
eFlora Treatment Author: Leila M. Shultz
Jepson Online Interchange
Key to ArtemisiaPrevious taxon: Arnica viscosa
Next taxon: Artemisia annua
Citation for this treatment: Leila M. Shultz 2016. Artemisia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=324, accessed on May 24, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 24, 2016.