Agrostis mackliniae

HABIT Perennial; caespitose. Rootstock evident. Culms 15–30 cm long. Culm-nodes glabrous. Ligule an eciliate membrane; 5 mm long. Leaf-blades conduplicate, or convolute; 3–10 cm long; 2–3 mm wide. Leaf-blade surface scaberulous; rough on both sides; glabrous. Leaf-blade apex attenuate.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; linear, or lanceolate; 3–7 cm long; 0.5 cm wide. Primary panicle branches 1.8 cm long. Panicle branches scaberulous.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 2.5–3 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus glabrous.

GLUMES Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; shiny; gaping. Lower glume lanceolate, or elliptic; 2.5–3 mm long; 1.1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate, or elliptic; 2.2–2.7 mm long; 1.5–1.7 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acuminate.

FLORETS Fertile lemma elliptic; 1.5 mm long; cartilaginous; without keel; 5 -veined. Lemma apex acute; muticous. Palea absent or minute.

FLOWER Lodicules 2; membranous. Anthers 3; 0.75 mm long.

FRUIT Caryopsis with adherent pericarp. Hilum linear.

DISTRIBUTION Asia-temperate: China. Asia-tropical: Indo-China.

NOTES Aveneae. Bor 1993.

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