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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.


Perennial herb from thick taproot, minutely hairy. Stem: prostrate to ascending. Leaf: petioled; blade < 8 cm, ± firm to fleshy, paired leaves ± unequal. Inflorescence: bracts 1–3, free, not forming involucre; flower generally 1, or paired. Flower: nocturnal or cleistogamous; perianth trumpet-shaped, white, tube slender; stamens 5, ± exserted; stigma ± spheric, ± exceeding anthers. Fruit: oblong, glabrous; wings translucent or 0.
17 species: especially southwestern United States, northeastern Mexico. (Greek: without closure, from absence of involucre) [Poole 2003 FNANM 4:33–39] Pollinated by hawkmoths. Selinocarpus moved to Acleisanthes.

Key to Acleisanthes

1. Perianth 7–17 cm, limb 1–3 cm wide; fruit with 5 ribs; e Sonoran Desert ..... A. longiflora

1' Perianth 3–4 cm, limb ± 1 cm wide; fruit with 5 wings; Desert Mountains ..... A. nevadensis


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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