海南三七Kaempferia rotunda

中文名(Chinese Name):海南三七
学名(Scientific Name):Kaempferia rotunda L.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Kaempferia versicolor Salisb.  Kaempferia longa Jacq.  Zerumbet zeylanica Garsault
科属(Family & Genus):姜科(Zingiberaceae)山柰属
形态特征(Description):根茎块状,根粗。先开花,后出叶;叶片长椭圆形,长17-27厘米,宽7.5-9.5厘米,叶面淡绿色,中脉两侧深绿色,叶背紫色;叶柄短,槽状。头状花序有花4-6朵,春季直接自根茎发出;苞片紫褐色,长4.5-7厘米;花萼管长4.5-7厘米,一侧开裂;花冠管约与萼管等长,花冠裂片线形,白色,长约5厘米,花时平展,侧生退化雄蕊披针形,长约5厘米,宽约1.7厘米,白色,顶端急尖,直立,稍靠叠;唇瓣蓝紫色,近圆形,深2裂至中部以下成2裂片,裂片长约3.5厘米,宽约2厘米,顶端急尖,下垂;药隔附属体2裂,呈鱼尾状,直立于药室的顶部,边缘具不整齐的缺刻,顶端尖。花期:4月。
分布(Distribution):产我国云南、广西、广东和台湾,生于草地阳处或栽培。亚洲南部至东南部亦有分布。
用途(Use):花美丽,芳香,可供观赏;据记载亦可供药用,能治跌打损伤。
引自中国植物志英文版:FOC Vol. 24 Page 369 
Kaempferia rotunda Linnaeus, Sp. Pl. 1: 3. 1753.
海南三七 hai nan san qi| Zingiberaceae  | Kaempferia
Rhizomes with tuberous roots. Leaves 2--4, erect; ligule broadly triangular, 3--4 mm; petiole 1--2 cm, channeled; leaf blade adaxially usually variegated dark and pale green on both sides of midvein, abaxially tinged purple, lanceolate-oblong, 17--27 × 7.5--9.5 cm, base cuneate. Inflorescences on separate shoots arising from rhizomes, appearing before pseudostems, sessile or shortly pedunculate, 4--6-flowered; bracts purple-brown; bracteoles ca. 2.3 cm, apex 2-toothed. Calyx 4.5--7 cm, split on 1 side, apex 3-toothed. Corolla tube equaling calyx; lobes spreading, white, linear, ca. 5 cm. Lateral staminodes erect, white, lanceolate, ca. 5 × 1.7 cm, apex acute. Labellum lilac, suborbicular, apically 2-cleft to base; lobes downcurved, ca. 3.5 × 2 cm, apex acute. Anther connective appendage erect, 2-cleft, fishtail-like. Ovary 4--6 mm, hairy. Fl. Apr. 2 n = 33, 54.
Open grasslands, also cultivated. Guangdong, Guangxi, Hainan, Taiwan, Yunnan [India, Indonesia, Malaysia, Myanmar, Sri Lanka, Thailand].
Medicinal.
 海南三七Kaempferia rotunda

海南三七Kaempferia rotunda

海南三七Kaempferia rotunda


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