Panicum dolichoadenotrichum

HABIT Annual. Culms erect, or geniculately ascending; 100 cm long; 5–6 -noded. Culm-internodes glandular; distally pilose. Leaf-sheaths mostly shorter than adjacent culm internode; striately veined; pilose; with tubercle-based hairs; outer margin hairy. Leaf-sheath oral hairs bearded. Ligule an eciliate membrane; truncate. Leaf-blades linear, or lanceolate; 25–30 cm long; 8–10 mm wide. Leaf-blade venation prominent; with 8–10 secondary veins. Leaf-blade apex attenuate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; pyramidal; loose; 22–25 cm long; 13–15 cm wide. Primary panicle branches ascending; 10–12 cm long. Panicle axis with lower internodes 3–4 cm long; pilose; capitate hairs. Panicle branches pilose; with tubercle-based hairs.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels glandular.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 3 mm long; falling entire.

GLUMES Glumes similar; shorter than spikelet; thinner than fertile lemma; gaping. Lower glume ovate; clasping; 1.4–1.5 mm long; 0.5 length of spikelet; membranous; without keels; 3(–5) -veined. Lower glume apex acute. Upper glume ovate; 2 mm long; 0.66 length of spikelet; membranous; without keels; 709 -veined. Upper glume apex acute.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous. Fertile lemma oblong; dorsally compressed; 3 mm long; indurate; pallid; without keel. Lemma margins involute. Lemma apex mucronate. Palea involute; indurate.

DISTRIBUTION Africa: western Indian ocean.

NOTES Paniceae. Camus 2007.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.