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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.

 

TOWNSENDIA

Geraldine A. Allen & Jeannette Whitton


Biennial or perennial herb [annual]; caudex taprooted. Stem: 0 to erect, < 30 cm. Leaf: basal and/or cauline, alternate, petioled, ± entire. Inflorescence: head radiate, generally 1; involucre bell-shaped to hemispheric; phyllaries in 2–7 series, outer generally < inner, free, margins scarious to ciliate; receptacle flat, epaleate. Ray flower: many; rays white, pink, blue, violet [yellow]. Disk flower: many; corolla ± yellow; style branches flat, tip hairy. Fruit: ± compressed, brown, glabrous to ± hairy; pappus of minutely barbed to ± plumose, generally flat bristles (ray fruit occasionally also with short outer series).
27 species: western North America. (D. Townsend, American botanist, 1787–1858) [Strother 2006 FNANM 20:193–203] Some species reproduce by asexual seed. Townsendia parryi D.C. Eaton not in California.
Unabridged references: [Reveal 1970 Great Basin Naturalist 30:23–52]

Key to Townsendia

1. Leaves long-soft-woolly; pappus readily deciduous ..... T. condensata

1' Leaves ± finely strigose; pappus ± persistent

2. Plant <= 3 cm; peduncles 0–15 mm; fruit glabrous ..... T. leptotes

2' Plant 3–10 cm; peduncles > 30 mm; fruit ± spreading-hairy ..... T. scapigera

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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].
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