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(Last Modified On 10/23/2012)
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(Last Modified On 10/23/2012)
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Genus
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KYLLINGA Rottb
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PlaceOfPublication
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Descr. & Icon. 12. 1773.
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Synonym
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Cyperus (in part) Kuekenthal, Pflanzenr. IV20:1-671. 1935-1936.
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Description
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Annual or perennial, usually glabrous; culms triangular, leafy below, the leaves sometimes reduced to sheaths; inflorescence terminal, of several confluent sessile heads, usually surrounded by a leafy involucre; spikelets of 3-4, 2-ranked scales, only the middle one fertile; bristles none; stamens 1-3; style bifid; achene lenticu- lar.
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Note
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About 45 species, widely distributed in temperate and tropical regions, chiefly in Africa.
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Key
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a. Leaf-blades absent, the sheaths scarious and colored --- 1. K. PERUVIANA aa. Leaf-blades present, the sheaths not colored; involucre prominent. b. Scales of spikelet translucent, the keel strongly toothed. c. Annual -- - _ _---- 2. K. PUMILA cc. Perennial --- ------3. K. BREVIFOLIA bb. Scales of spikelet opaque, the keel not toothed - -- 4. K. ODORATA
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