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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, perennial herb, subshrub. Leaf: simple or often pinnately divided, opposite or alternate, dotted with embedded oil glands. Inflorescence: heads radiate [discoid], peduncled [sessile], 1 or in few-headed cyme-like clusters; involucre hemispheric to bell-shaped or obconic; phyllaries in 2–3 series (outer, if present, few, short, free, inner nearly free to fused most of their length, gland-dotted); receptacle flat to rounded, epaleate. Ray flower: 0–21; corolla yellow [white]. Disk flower: 16–100+; corolla yellow; style tips truncate or conic. Fruit: obpyramidal, obconic, or cylindric; pappus of scales, each awn-tipped or dissected into bristles.
13 species: southern North America, Caribbean. (Greek: thyme-leaved) [Strother 2006 FNANM 21:239–245] Thymophylla tenuiloba (DC.) Small var. tenuiloba (annual; leaves mostly alternate, opposite only at proximal 1–3 nodes, lobe tips weak, not bristle-like) a waif in South Coast.
Unabridged references: [Strother 1986 Sida 11:371–378]
1. Subshrub; leaves generally opposite, lobe tips generally stiff, bristle-like ..... T. pentachaeta var. belenidium
1' Annual; leaves mostly alternate, opposite only at proximal 1–3 nodes, lobe tips weak, not bristle-like ..... [T. tenuiloba var. tenuiloba]
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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