Stipa celakovskyi

HABIT Perennial; caespitose. Butt sheaths glabrous. Culms 25–50 cm long. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 2 mm long. Leaf-blades convolute; elliptic in section; 1 mm wide. Leaf-blade surface ribbed.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; lanceolate; 30–40 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 30–60 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; acute.

GLUMES Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 1 length of upper glume; membranous; without keels. Lower glume apex attenuate. Upper glume lanceolate; 30–60 mm long; membranous; without keels. Upper glume apex attenuate.

FLORETS Fertile lemma lanceolate; subterete; 12–14 mm long; coriaceous; without keel; 5 -veined. Lemma margins convolute; covering most of palea. Lemma apex surmounted by a ring of hairs; awned; 1 -awned. Principal lemma awn bigeniculate; 200–250 mm long overall; with twisted column; limb pubescent. Column of lemma awn hispidulous; hairy on the spiral. Palea 2 -veined; without keels.

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

FRUIT Caryopsis with adherent pericarp; fusiform. Hilum linear.

DISTRIBUTION Europe: southwestern.

NOTES Stipeae. Martinovsky 1995.

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