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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.


P. caespitosum (Nutt.) Rydb.
Plant 3–8 dm wide; rosettes many. Leaf: 1–3-veined abaxially. Inflorescence: 1–5 cm, dense; peduncle 3–10 cm, bracted. Flower: sepals ± 1.5 mm, narrow-ovate, acute; petals ± 1.5 mm, generally obtuse; style ± 3 mm. Fruit: ± 2 mm. Seed: 1–2, ± 1.5 mm, linear to obovoid, brown, smooth. [Petrophyton caespitosum (Nutt.) Rydb., orth. var.] [Online Interchange]

Key to Petrophytum caespitosum

1. Leaf 10–18 mm, sparsely hairy; s High Sierra Nevada ..... subsp. acuminatum

1' Leaf 5–12 mm, densely hairy; White and Inyo Mountains, Desert Mountains ..... subsp. caespitosum


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [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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