Stipa daghestanica

HABIT Perennial; caespitose; clumped densely. Rhizomes short. Culms 40–80 cm long. Ligule an eciliate membrane. Leaf-blades filiform; conduplicate; 15–80 cm long; 1–2 mm wide. Leaf-blade surface puberulous; hairy adaxially.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; 12–25 cm long; bearing few spikelets.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 30–35 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; glabrous; pungent.

GLUMES Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 1 length of upper glume; membranous; pallid; without keels; 3 -veined. Lower glume apex attenuate. Upper glume lanceolate; 30–35 mm long; membranous; pallid; without keels; 3–5 -veined. Upper glume apex attenuate.

FLORETS Fertile lemma lanceolate; subterete; 10–12 mm long; coriaceous; without keel; 5 -veined. Lemma surface glabrous. Lemma margins convolute; covering most of palea. Lemma apex surmounted by a ring of hairs; awned; 1 -awned. Principal lemma awn bigeniculate; 80–110 mm long overall; with twisted column; limb puberulous. Column of lemma awn 50–60 mm long; puberulous. Palea 1 length of lemma; 2 -veined; without keels.

FLOWER Lodicules 3. Anthers 3; anther tip penicillate. Stigmas 2. Ovary glabrous.

FRUIT Caryopsis with adherent pericarp; fusiform. Hilum linear.

DISTRIBUTION Asia-temperate: Caucasus.

NOTES Stipeae. Fl Iran 1995.

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