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Dinghushan | Family List | Umbelliferae

Eryngium Linn.

刺芹属

Description from Flora of China

Herbs biennial or perennial, caulescent or acaulescent, usually glabrous. Taproot fusiform or stout. Stem solitary, creeping to erect, branched above. Leaves simple; petioles sheathing; blade entire, pinnately or palmately parted or divided, leathery or membranous, venation parallel or reticulate, margin often ciliate to spinose. Umbels simple, capitate forming globose to cylindrical heads; heads solitary or in cymes, sometimes racemes; bracts 1 to several, entire or divided, subtending the head; bracteoles 1 to many, subtending the individual flowers. Flowers small, bisexual, sessile. Calyx teeth prominent, persistent, ovate to lanceolate, acute to obtuse. Petals white or purple, ovate to oblong, with incurved apex. Stylopodium absent; styles shorter than or exceeding the calyx teeth. Fruit globose to obovoid, scarcely flattened laterally, variously covered with scales or tubercles; ribs obsolete; vittae mostly 5, inconspicuous; commissure broad. Seed subterete in cross section, face plane or slightly concave. Carpophore absent.

Between 220 and 250 species: tropics and temperate regions worldwide, especially South America; two species in China.

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

Lower Taxon


 

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