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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, matted from creeping stolons; hairs equally forked. Leaf: reniform; petiole > blade. Inflorescence: flowers 1 in axils; bracts 0; upper peduncle recurved in fruit. Flower: inconspicuous; calyx lobes 5, deep, ± equal, ovate to obovate; corolla ± > calyx, lobes > tube; ovary shallowly to deeply 2-lobed, styles 2, free or united only at base, stigmas head-shaped. Fruit: capsule or separating into nutlets, spheric to ± 2-lobed.
15+ species: temperate & tropics. (Greek: double grain, from deeply lobed fruit of some) [Austin 1998 Econ Bot 52:88–106]
Unabridged references: [Tharp & Johnston 1961 Brittonia 13: 346–360]
1. Fruit spheric to ± notched capsule, each valve often 2-seeded — s Central Coast, South Coast, Channel Islands, Peninsular Ranges ..... D. occidentalis
1' Fruit generally deeply 2-lobed, generally separating into 2, generally 1-seeded nutlets
2. Stem 1–2 mm thick; calyx in fruit >= 2.5 mm; North Coast, w Klamath Ranges, n Sierra Nevada Foothills, Central Coast, San Francisco Bay Area ..... D. donelliana
2' Stem < 1 mm thick; calyx in fruit < 2.5 mm; n Sierra Nevada Foothills, South Coast, expected elsewhere ..... D. micrantha
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [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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