Jepson eFlora
Key to families | Table of families and genera

Key to Tonestus

View taxon page for Tonestus

1. Leaves entire; fruit glabrous or sparsely hairy ..... T. lyallii

1' Leaves ± toothed; fruit hairy

2. Involucre 7.5–16 mm; ray flowers 10–13; disk corollas 5.5–7.5 (8.2) mm ..... T. eximius

2' Involucre 14–28 mm; ray flowers 16–20; disk corollas 7.5–10.5 mm ..... T. peirsonii

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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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