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Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Festuca simlensis
HABIT Perennial; caespitose. Rhizomes absent, or short. Culms erect, or geniculately ascending; 25–110 cm long. Leaf-sheaths open for most of their length. Ligule an eciliate membrane; 0.5 mm long. Leaf-blades filiform; conduplicate; angular in section; 20–40 cm long; 1–2 mm wide; glaucous. Leaf-blade venation with 7–9 subepidermal sclerenchyma strands; subepidermal sclerenchyma free from veins.
INFLORESCENCE Inflorescence a panicle.
Panicle open; lanceolate, or ovate; 6–20 cm long. Primary panicle branches ascending, or spreading. Panicle branches scabrous.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 5–6 fertile florets; with diminished florets at the apex. Spikelets elliptic, or oblong; laterally compressed; 14–17 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; dissimilar; shorter than spikelet. Lower glume lanceolate; 3.5–5.5 mm long; 0.7–0.8 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 5–8 mm long; 0.75–1 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume apex acuminate.
FLORETS Fertile lemma elliptic, or oblong; 6–8 mm long; chartaceous; without keel; 5 -veined. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 5–7 mm long overall. Palea 1 length of lemma; 2 -veined. Palea keels scaberulous. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Lodicules 2. Anthers 3; 2.5–3 mm long. Ovary pubescent on apex.
FRUIT Caryopsis with adherent pericarp. Hilum linear.
DISTRIBUTION Asia-tropical: India.
NOTES Poeae. Fl Pak 1993.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.