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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, matted or tufted, taprooted, glabrous. Leaf: opposite, appearing whorled or not; stipules 0.4–2.8 mm, lanceolate to triangular, scarious, entire to irregularly toothed or cut, white; petiole generally ± present; blade oblanceolate to obovate; vein 1. Inflorescence: axillary, open to dense; flowers few to many; pedicels 0.2–2 mm. Flower: sepals 5, ± free, 1–2.2 mm, lanceolate to ovate, glabrous, margin scarious, white, awn conic to widely triangular; petals 5, 0.5–1.1 mm, entire or notched; stamens 3–5, ± fused at base; style 1, 3-branched, 0.1–0.3 mm. Fruit: capsule, ovoid to spheric; valves 3, margin rolled inward. Seed: several, brown.
15 species: worldwide. (Greek: many fruit, from capsule number) [Thieret & Rabeler 2005 FNANM 5:25–26]

Key to Polycarpon

1. Stipules 0.4–1.2 mm; leaves opposite; sepals 1–1.5 mm, obscurely keeled, awn ± 0.1 mm ..... P. depressum

1' Stipules 1.8–2.8 mm; leaves opposite, often appearing to be in whorls of 4; sepals 1.5–2.5 mm, prominently keeled, awn 0.3–0.7 mm ..... P. tetraphyllum var. tetraphyllum


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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