1	Rhizome stoloniferous; spikes androgynous, loosely few flowered, sometimes lateral spikes female; female glumes slightly longer or shorter than utricle, aristate at apex.		225 C. handelii
+	Rhizome without stolons; terminal spike male, sometimes with few female flowers at apex or base, lateral spikes female; female glumes shorter than utricle		(2)
2 (1)	Utricles greenish or yellowish green at maturity, not nitid; terminal spike male, sometimes with female flowers at apex or base		(3)
+	Utricles wholly or partly yellow-brown at maturity, nitid; terminal spike male (sometimes with few female flowers in C. capillaris)		(5)
3 (2)	Leaves sulcate on upper face; terminal spike androgynous, lateral spike loosely 3-7-flowered.		226 C. sedakowii
+	Leaves flat, not sulcate; terminal spike male or sometimes with few flowers at apex, lateral spike rather densely many flowered		(4)
4 (3)	Utricles obovate or suborbicular, 1.5-2 mm, with very short beak or nearly beakless; terminal spike gynaecandrous or male.		227 C. karoi
+	Utricles oblong-lanceolate, 3-4.5 mm, stipitate, with rather long beak; terminal spike male.		228 C. tenuiformis
5 (2)	Utricles ovate or narrowly ovate, 3.5-4 mm, gradually attenuate to a slightly long beak at apex.		229 C. capillaris
+	Utricles ovate or obovate-fusiform, ca. 3 mm, abruptly contracted to a rather short or very short beak at apex		(6)
6 (5)	Terminal male spike oblong-lanceolate, not surpassing uppermost female spike; utricles obtusely trigonous, rather swollen, brown at maturity, abruptly contracted to a very short beak at apex.		230 C. chlorostachys
+	Terminal male spike oblanceolate or clavate, surpassing uppermost female spike; utricles obtusely trigonous, not swollen, yellowish brown, abruptly contracted to a short beak at apex.		231 C. ledebouriana