Stephanachne monandra

HABIT Perennial; caespitose. Rhizomes short. Culms erect; 30–50 cm long; 1–2 mm diam.; 2–3 -noded. Culm-internodes antrorsely scabrous. Leaf-sheaths tight. Ligule an eciliate membrane; 2–3 mm long; erose. Leaf-blades involute; 10–25 cm long; 1–3 mm wide. Leaf-blade surface scabrous; rough on both sides. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle.

Panicle spiciform; linear, or oblong; 4–6 cm long. Panicle branches smooth.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 1–5 mm long; pubescent.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 7–9 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; exceeding apex of florets. Lower glume lanceolate; 1 length of upper glume; membranous; mid-green and purple; without keels; 3–5 -veined. Lower glume primary vein scaberulous. Lower glume apex acuminate. Upper glume lanceolate; 7–9 mm long; 1.2–1.3 length of adjacent fertile lemma; membranous; mid-green and purple; without keels; 3–5 -veined. Upper glume primary vein scaberulous. Upper glume apex acuminate.

FLORETS Fertile lemma ovate; 6–7 mm long; membranous; without keel; 5 -veined. Lemma surface pilose; with a transverse fringe of hair. Lemma hairs 2.5–3 mm long. Lemma apex lobed; 2 -fid; awned; 3 -awned. Principal lemma awn from a sinus; geniculate; 7.5–9 mm long overall; with a straight or slightly twisted column. Lateral lemma awns arising on apex of lobes; 1.5–3 mm long. Palea 3–4 mm long; 2 -veined.

FLOWER Lodicules 2; 0.55–1.3 mm long. Anthers 1; 0.7–1 mm long.

DISTRIBUTION Asia-temperate: China.

NOTES Duthieeae. Fl China 2007.

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