知母Anemarrhena asphodeloides

中文名(Chinese Name):知母
学名(Scientific Name):Anemarrhena asphodeloides Bunge
英文名(English Common Name):
别名(Chinese Common Name):穿地龙
异名(Synonym):Terauchia anemarrhenifolia Nakai
科属(Family & Genus):百合科Liliaceae知母属Anemarrhena
形态特征(Description):根状茎粗0.5-1.5厘米,为残存的叶鞘所覆盖。叶长15-60厘米,宽1.5-11毫米,向先端渐尖而成近丝状,基部渐宽而成鞘状,具多条平行脉,没有明显的中脉。花葶比叶长得多;总状花序通常较长,可达20-50厘米;苞片小,卵形或卵圆形,先端长渐尖;花粉红色、淡紫色至白色;花被片条形,长5-10毫米,中央具3脉,宿存。蒴果狭椭圆形,长8-13毫米,宽5-6产毫米,顶端有短喙。种子长7-10毫米。花果期6-9月。
分布(Distribution):产河北、山西、山东、陕西、甘肃、内蒙古、辽宁、吉林和黑龙江。生于海拔1450米以下的山坡、草地或路旁较干燥或向阳的地方。也分布于朝鲜。
用途(Use):本种干燥根状茎为著名中药
引自中国植物志英文版:FOC Vol. 24 Page 208
Anemarrhena asphodeloides Bunge, Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans. 2: 140. 1833.
知母 zhi mu | Liliaceae  | Anemarrhena
Rhizome to 10 × 0.5--1.7 cm. Leaves 10--60 × 0.15--1 cm, glabrous, margin scabrid. Scape (20--)35--100 cm, glabrous. Raceme 10--50 cm; bracts ovate or ovate-orbicular, apex often long acuminate. Perianth segments pink, pale purple, or white, linear or narrowly oblong, 5--10 × 1--1.5 mm, persistent in fruit. Ovary ovoid, ca. 1.5 × 1 mm. Style ca. 1 mm. Capsule 0.8--1.5 × 0.3--0.6 cm including beaked apex, prominently 6-angled. Seeds black, narrowly oblong-elliptic, slightly curved, 7--12 × 2.5--3 mm. Fl. and fr. Jun--Sep. 2 n = 22*.
Scrub, grassy slopes, steppes, sunny and sandy hillsides, also cultivated; near sea level to 1500 m. Gansu, Guizhou, Hebei, Heilongjiang, Jiangsu, Jilin, Liaoning, Nei Mongol, Shaanxi, Shandong, Shanxi, Sichuan; cultivated in Taiwan [Korea, Mongolia].
The rhizomes are used medicinally.
 知母Anemarrhena asphodeloides

知母Anemarrhena asphodeloides
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