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Perennial herbs with creeping stolons. Leaves 3-ranked, flat, linear, with long tubular sheaths and dorsiventrally compressed blades; Inflorescence paniculate, consisting of several remote corymbiform partial panicles; Stamens 2 (according to several authors sometimes 3), with free filaments and linear anthers;


N. America present, tropical and temperate regions of the whole world present
Only 2 spp., one extending over the tropical and temperate regions of the whole world, the other, C. mariscoides (MUHL.) TORR., restricted to N. America.


For the circumscription of the genus see under Machaerina, p. 691.


B. & H. 1883 – In: Gen. Pl. p 1065
CRANTZ 1766 – In: Inst. p 362
PAX 1887 – In: E. & P., Pfl. Fam. 2. p 116
KERN 1959 – In: Act. Bot. Neerl. p 263