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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.
Axonopus flexuosus
HABIT Perennial; mat forming. Stolons present. Basal innovations flabellate. Culms 25–112 cm long. Culm-nodes glabrous. Leaf-sheaths keeled. Ligule a ciliolate membrane. Leaf-blades linear, or lanceolate; flat, or conduplicate; 3–30 cm long; 5–22 mm wide. Leaf-blade apex obtuse, or abruptly acute.
INFLORESCENCE Inflorescence composed of racemes.
Racemes 3–5(–8); paired, or digitate; unilateral; 4–15 cm long. Rhachis angular; glabrous on surface; glabrous on margins. Spikelet packing adaxial; regular; 2 -rowed.
Spikelets appressed; solitary. Fertile spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; obtuse; 2.7–4 mm long; falling entire.
GLUMES Glumes one the lower absent or obscure; reaching apex of florets; thinner than fertile lemma. Upper glume elliptic; 1.5 length of adjacent fertile lemma; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface glabrous, or pubescent. Upper glume apex obtuse.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1.5 length of fertile lemma; 1 length of spikelet; 5 -veined; glabrous, or pubescent; acute. Fertile lemma elliptic; 1.7–2.5 mm long; indurate; pallid; without keel. Lemma margins involute. Lemma apex acute; without ornament. Palea involute; indurate.
DISTRIBUTION Africa: west tropical, west-central tropical, east tropical, and southern tropical.
NOTES Paniceae. FTEA.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.