Cyperus alternifolius “umbrella papyrus”

Cyperus alternifolius is Densly tufted perennial with woody rhizomes and no basal leaves. Numerous winged, dark green stems each bear a terminal whorl of 11-25 deep green, arching, leaf-like bracts, 10-15cm long. From summer to autumn, the stems are topped by small spikelets of pale yellow-brown flowers in compound umbels, to 12cm across. Height 45-90cm, Spread 40cm. Native of Madagascar.