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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, perennial herb; hairs dense, stalked, stellate, occasionally simple. Leaf: basal rosetted, entire to dentate or pinnately lobed; cauline petioled or sessile, base not lobed. Inflorescence: elongated or not. Flower: sepals erect, forming a tube, linear to narrowly oblong, lateral pair base sac-like; petals tongue-shaped, long-clawed, white to lavender. Fruit: silicle, indehiscent, flattened perpendicular to septum, spectacle-shaped, splitting into 1-seeded halves, not segmented; valves keeled, enclosing seeds; stigma entire. Seed: 2, oblong, wing 0.
2 species: California, Mexico. (Greek: 2 shields, reference to spectacle-shaped fruit) [Rollins 1979 Publ Bussey Inst Harvard 3–32]

Key to Dithyrea

1. Annual; inflorescence elongated in fruit; fruit valves 3.5–5(6) mm, 4–6(7) mm wide, hairs 0 or occasionally on fruit margin, branched, club-shaped papillae present ..... D. californica

1' Perennial herb; inflorescence not elongated in fruit; fruit valves 8–11 mm, 8–10 mm wide, hairs sessile, stellate, occasionally mixed with forked (simple) hairs, club-shaped papillae 0 ..... D. maritima


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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