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VALERIANACEAE VALERIAN FAMILY

Abigail J. Moore & Lauramay T. Dempster, except as noted

Annual, perennial herb, occasionally strongly scented, odor generally unpleasant. Leaf: simple to pinnately lobed or compound; petioles generally sheathing; basal ± whorled; cauline opposite, petioled to sessile. Inflorescence: cyme, panicle, or head-like, generally ± dense. Flower: generally bisexual; calyx fused to ovary tip, limb 0 or lobes generally 5–15, coiled inward, plumose in age, pappus-like, spreading in fruit; corolla radial to 2-lipped, lobes generally 5, throat generally > lobes, > tube, base generally spurred or swollen, tube slender, long or short; stamens generally 1–3, fused to petals; ovary inferior, chamber generally 1, or occasionally 3 but 2 empty or vestigial. Fruit: achene, smooth, ribbed, or winged.
± 17 genera, 300 species: generally temperate, worldwide except Australia. Some species cultivated (Centranthus), some medicinal (Valeriana). [Bell & Donoghue 2005 Organisms Diversity Evol 5:147–159] —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Valerianaceae

CENTRANTHUS
Annual, perennial herb (in California). Stem: 1–many; base occasionally woody. Leaf: generally cauline, simple, entire to lobed [toothed]. Inflorescence: cyme, clustered, ± dense, open in age; terminal or axillary. Flower: calyx lobes 5–15, coiled inward, plumose in age, spreading, persistent in fruit; corolla ± funnel-shaped, lobes ± unequal, spreading, tube long, slender, long-spurred; stamen 1. Fruit: ± compressed; adaxial surface 1-veined, abaxial surface 3-veined.
12 species: Mediterranean. (Greek: spurred flower)

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 23 2014
Citation for this treatment: [Author of taxon treatment] 2013. Centranthus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10570, accessed on Oct 23 2014

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