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GrassBase - The Online World Grass Flora
Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Bromus aegyptiacus
HABIT Annual. Culms 25–50 cm long. Culm-internodes smooth, or scaberulous. Leaf-sheaths pilose. Ligule an eciliate membrane. Leaf-blades 3–8 cm long; 1–3 mm wide. Leaf-blade surface pilose.
INFLORESCENCE Inflorescence a panicle.
Panicle contracted; oblong; 3–6 cm long.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 6–20 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 14–20 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; shorter than spikelet. Lower glume ovate; 3–4 mm long; 0.66 length of upper glume; membranous; without keels; 3 -veined. Lower glume apex acute. Upper glume ovate; 5–6 mm long; 0.8–1 length of adjacent fertile lemma; membranous; without keels; 5 -veined. Upper glume apex acute.
FLORETS Fertile lemma ovate; 5–7 mm long; chartaceous; without keel; 7–9 -veined. Lemma surface glabrous to pubescent. Lemma apex acute; awned; 1 -awned. Principal lemma awn subapical; straight; 4–11 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Lodicules 2; membranous. Anthers 3. Ovary with a fleshy appendage above style insertion; pubescent on apex.
FRUIT Caryopsis with adherent pericarp; hairy at apex; apex fleshy. Hilum linear.
DISTRIBUTION Africa: north. Asia-temperate: western Asia.
NOTES Bromeae. Fl Egypt 1997.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.