Dactyloctenium geminatum Hack.

Bull. Herb. Boissier 7: 26 (1899).- Type: Junod, Mozambique, Delagoa Bay (holo- Z, iso- W).

Dactyloctenium bogdanii S.M.Phillips, Kew Bull. 29: 268 (1974). Type: Bogdan 866, Kenya, Nairobi-Magadi (holo- K, iso- EA).

Regional litterature: FTEA: 255, fig (1974); Fl. Ethiopia & Eritrea 7: 137 (1995); Fl Zambesiaca 10,2: 166, fig (1999); Pl. Sudan & S Sudan: 124 (2015).

Description:

* Tough mat-forming perennial with wiry stolons. Culms slender, 35-120 cm high, ascending. Leaves flat, tough and usually somewhat glaucous, 4-25 cm long, 3-6 mm wide, usually glabrous except for the papillose-hispid margins, acuminate.

* Inflorescence composed of (1-)2(-3) linear, diverging, often slightly falcate spikes 3-7 cm long; rhachis-keel smooth.

* Spikelets 3-6-flowered, narrowly ovate, 3-5.3 mm long. Glumes subequal, 1.3-1.8 mm long, the lower broadly elliptic to ovate in profile, the upper broadly elliptic to narrowly obovate, the smooth keel extended into a stout awn of 1.5-2.5 mm long. Lemmas lanceolate, 3-4 mm long, the keel smooth or finely scaberulous towards the tip, acute, mucronulate in the lower lemmas with a mucro up to 0.8 mm long; palea-keels finely scabrid, unwinged. Anthers 1-2 mm long. Caryopsis 1 mm. long, transversely rugose.                           

Distribution West Africa: South Sudan

Distribution world-wide: Ethiopia and NE, E and southern Africa; occasionally planted elsewhere.

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