Asian Spikesedge (Cyperus metzii)
Description
Kyllinga squamulata, Plants annual, cespitose, not rhizomatous. Culms 5-35 cm, smooth. Leaves flat, 5-30 cm - 1.5-2 mm. Inflorescences: spike 1, subglobose, 6-10 mm diam.; bracts 3-4, horizontal to slightly reflexed, flat, 1-6 cm - 1-2 mm. Spikelets 50-70(-100), stipitate, ovate, 2.5-4 - 2-3 mm; floral scales dull greenish white to stramineous, midvein with laciniate keel - as long as scale, 1 mm wide, laterally 2-veined, ovate, 2.2-3.8 - 2 mm, acuminate; stamens (1-)2; anthers 2 mm; style 1 mm; stigmas 1.5-2 mm. Achenes chestnut brown to purplish brown, ovoid, 1.5-2 - 1.2 mm, base sessile, apex apiculate, puncticulate.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Liliopsida
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Order: Poales
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Family: Cyperaceae
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Genus: Cyperus
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