Dactyloctenium geminatum

Illustrator: Linda A. Vorobik, Karen Klitz

Copyright: Utah State University

Plants perennial; stoloniferous, mat-forming. Culms 35-112 cm, ascending. Blades 4-25 cm long, 3-6 mm wide, flat, more or less glabrous. Panicle branches (1)2(3), 2.5-7 cm, often slightly falcate, only the first few spikelets in contact with the spikelets of adjacent branches. Spikelets 3-5.3 mm, with 3-6 florets. Glumes subequal, 1.3-1.8 mm, widely elliptic to ovate or obovate in profile, awned, awns 4.5-10 mm; lemmas 3-3.8 mm, lanceolate, keels smooth or finely scabridulous towards the acute or mucronate apices; palea keels not winged; anthers 1.1-1.7 mm. Seeds about 1 mm long, transversely rugose. 2n = unknown.

Discussion

Dactyloctenium geminatum is native to tropical eastern Africa. It was found at one time on ballast dumps in Maryland, but has not survived in North America.

Selected References

None.

Lower Taxa

None.