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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, unarmed. Stem: spreading radially, prostrate to ascending, < 1 m. Leaf: even-1-pinnate; stipules narrow, green. Inflorescence: flowers 1 in axils. Flower: sepals persistent or not; petals yellow to orange, persistent, withering. Fruit: 10-lobed, splitting into 10 tubercled nutlets; style persistent; pedicel reflexed. Seed: 1 per chamber.
17 species: warm and tropical America. (Anders Kallstroem, obscure contemporary of Scopoli, author of genus, 1733–1812) [Porter 1969 Contr Gray Herb 198:41–153]

Key to Kallstroemia

1. Style < fruit body; peduncle generally < to ± = subtending leaf; petals 3–5 mm; sepals deciduous ..... K. californica

1' Style > fruit body; peduncle > to >> subtending leaf; petals 6–30 mm; sepals persistent

2. Sepals >> fruit body, spreading; petals 15–30 mm, yellow to orange, darker at base ..... [K. grandiflora]

2' Sepals ± = to slightly > fruit body, appressed; petals 6–12 mm, orange ..... K. parviflora


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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