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Kyllinga bulbosa

名称状态:被SP2000收录,状态为:Kyllinga bulbosa为接受名
科属名称:Cyperaceae(莎草科)  水蜈蚣属
中文名:三头水蜈蚣
形态描述:Perennials. Rhizomes short. Culms tufted, 5-30 cm tall, compressed 3-angled, smooth, base swollen, bulbous, and clothed with persistent brown leaf sheath remains splitting into fibers. Leaves shorter than culm; leaf blade 2-3 mm wide, flaccid, folded or flat, apical margin sparsely denticulate. Involucral bracts 2 or 3, leaflike, longer than inflorescence, ± horizontal, downward reflexed after anthesis. Spikes usually 3, with numerous spikelets congested into a capitate shape; middle spike broadly ovoid, 5-6 mm; lateral spikes globose, 3-4 mm. Spikelets radially arranged, oblong, 2-2.5 mm, 1-flowered. Glumes greenish yellow and reddish brown maculate, ovate to ovateellipsoid, 2-2.5 mm, concave, keel abaxially green, veins 2 or 3 on each side of keel, apex mucronate. Stamens 1-3. Style short; stigmas 2, longer than style. Nutlet yellowish brown, oblong, 2/3-3/4 as long as subtending glume, compressed plano-convex, with punctate processes. Fl. and fr. Jul-Oct. 2n = 14.
国内分布:广东、海南
                    
序号标题卷册作者年份页码数据源