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Cryptotaenia DC.


Description from Flora of China

Deringa Adanson, nom. rej.

Herbs, perennial, essentially glabrous (minutely scabrous along leaf veins). Rootstock small, tuberous, branched. Stem terete, branched, purplish, base without remnant sheaths. Leaves petiolate, sheaths oblong, membranous, inflated; blade ternate; leaflets rhombic-ovate or subcordate, base broad-cuneate or cuneate, margin acute-biserrate. Umbels compound, grouped into a panicle, terminal; inflorescence branches and rays flexuose in flower, stiffening in fruit; bracts and bracteoles present or absent; rays several, very unequal; umbellules few-flowered; pedicels very unequal. Calyx teeth minute triangular. Petals white, obovate, apex incurved. Stylopodium long-conic, divided and tapering into the short, erect styles. Fruit elongate, oblong, slightly dorsally compressed, apex abruptly tapered, base rounded, glabrous; ribs 5, prominent, pale; vittae 1–3 in each furrow, 4 on commissure. Seed face plane. Carpophore 2-cleft to base.

Five or six species: Africa, E Asia, Europe, North America; one species in China.

(Authors: Pan Zehui (潘泽惠); Mark F. Watson)


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