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Cicuta Linn.

毒芹属

Description from Flora of China

Herbs, perennial, stout, glabrous. Rootstock swollen, with transverse air chambers, roots fascicled. Stems tall, erect, hollow, branched above, striate. Leaves petiolate, sheath narrow, clasping, membranous; leaf blade (1–)2–3-pinnate; ultimate segments narrow, linear-lanceolate or lanceolate, serrate or dentate. Umbels compound, lax, terminal or lateral; bracts absent or few, inconspicuous; rays numerous, long, slender, ascending-spreading; bracteoles numerous, narrow, longer or shorter than the flowers. Calyx teeth conspicuous, ovate-triangular. Petals white or greenish-white, obovate or suborbicular, apex narrow, inflexed. Stylopodium depressed; styles slender, reflexed when mature. Fruit ovoid-globose, rounded at both ends or base cordate, flattened laterally, glabrous; ribs 5, thick, corky; vittae 1 in each furrow, 2 on commissure. Seed face plane or slightly concave. Carpophore 2-fid.

About three species: N temperate zone; one species in China.

(Authors: She Menglan (佘孟兰 Sheh Meng-lan); Mark F. Watson)


 

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