GrassBase - The Online World Grass Flora


W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Stipa nachiczevanica

HABIT Perennial; caespitose; clumped densely. Culms 20–70 cm long. Leaf-sheaths pubescent. Ligule an eciliate membrane; 6–8 mm long. Leaf-blades filiform; flat, or conduplicate; 0.7–1.2 mm wide. Leaf-blade surface pubescent; densely hairy; hairy adaxially.

INFLORESCENCE Inflorescence a panicle.

Panicle open.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 21–40 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; curved; 1–1.5 mm long; acute.

GLUMES Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 21–40 mm long; 1 length of upper glume; membranous; without keels. Lower glume apex acuminate. Upper glume lanceolate; 21–40 mm long; membranous; without keels. Upper glume apex acuminate.

FLORETS Fertile lemma elliptic; subterete; 10–14 mm long; coriaceous; without keel. Lemma surface pilose; hairy below. Lemma margins convolute; covering most of palea. Lemma apex awned; 1 -awned. Principal lemma awn geniculate; 200–300 mm long overall; with 200–250 mm long limb; with twisted column; limb hirsute; with 4–5 mm long hairs. Column of lemma awn 25 mm long. Palea 2 -veined; without keels.

FLOWER Anthers 3.

DISTRIBUTION Asia-temperate: Caucasus.

NOTES Stipeae. Musajev & Sadychov 2005.

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