Themeda arundinacea (Themeda arundinacea)
Description
Perennial.Culms tufted,reedlike,stout,up to 6 m tall,1–1.5 cm in diam.Leaf sheaths glabrous;leaf blades 50–100 × 1–1.5 cm,scabrid,gradually narrowed to the thick white midrib toward base,acuminate;ligule 1–2 mm.Compound panicle large with many drooping branches,each branch bearing spathes subtending 2–3 spatheoles;spatheoles 2–3.5 cm,glabrous;peduncle pubescent at apex.Raceme composed of 0–2 spikelet pairs and a terminal triad above the involucre of 2 homogamous pairs.Homogamous spikelets arising at slightly different levels,male or barren,12–20 mm,linear-lanceolate,densely hispid with long,golden,tubercle-based hairs,finely acuminate.Sessile spikelet 7–9.5 mm;callus 2–3.5 mm,narrowly cuneate;lower glume oblong-lanceolate,densely strigose with golden or brown hairs,hairs usually deciduous;awn 4–9 cm.Pedicelled spikelet 13–20 mm.Fl.and fr.Sep–Apr.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Liliopsida
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Order: Poales
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Family: Poaceae
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Genus: Themeda
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