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Key to families | Table of families and genera
Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
Annual to large shrub, stiff. Leaf: simple, alternate. Inflorescence: heads disciform, many, in ± flat-topped or panicle-like clusters; involucre ± hemispheric; phyllaries graduated in 3–6 series, outer leathery distally, inner narrower, ± membranous; receptacle flat, epaleate. Pistillate flower: many; corolla very slender, 4–5-lobed. Disk flower: few, bisexual or staminate; corolla 5-lobed, pink or purple (in California); anther bases short-tailed, tips ± ovate; style branches 0 to short, obtuse. Fruit: ± cylindric, grooved; pappus 1 series of slender bristles.
40–60 species: tropics, warm temperate. (N.A. Pluche, 18th century French naturalist) [Nesom 2006 FNANM 19:478–484]
1. Annual or perennial herb, glandular; leaves 4–12 cm, ovate, toothed, not crowded ..... P. odorata var. odorata
1' Shrub or tree, nonglandular, finely silky-hairy; leaves 1–4 cm, linear to lanceolate or narrowly elliptic, entire, crowded ..... P. sericea
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.