独花黄精Polygonatum hookeri
中文名(Chinese Name):独花黄精
学名(Scientific Name):Polygonatum hookeri Baker
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Polygonatum pumilum Hua
科属(Family & Genus):百合科(Liliaceae)黄精属
形态特征(Description):根状茎圆柱形,结节处稍有增粗,“节间”长2-3.5厘米,直径3-7毫米。植株矮小,高不到10厘米。叶凡枚至10余枚,常紧接在一起,当茎伸长时,显出下部的叶为互生,上部的叶为对生或3叶轮生,条形、矩圆形或矩圆状披针形,长2-4.,厘米,宽3-8毫米,先端略尖。通常全株仅生1花,位于最下的一个叶腋内,少有2朵生于一总花梗上,花梗长4-7毫米;苞片微小,膜质,早落;花被紫色,全长15-20(-25) 毫米,花被筒直径3-4毫米,裂片长6-10毫米;花丝极短,长约0.5毫米,花药长约2毫米;子房长2-3毫米,花柱长约1.5-2毫米。浆果红色,直径7-8毫米,具5-7颗种子。花期5-6月,果期9-10月。
分布(Distribution):产西藏、云南、四川、甘肃和青海。生海拔3200-4300米林下、山坡草地或冲积扇上。印度也有。
用途(Use):引自植物志英文版:FOC Vol. 24 Page 228
Polygonatum hookeri Baker, J. Linn. Soc., Bot. 14: 558. 1875.
独花黄精 du hua huang jing| Liliaceae | Polygonatum
Polygonatum pumilum Hua.
Rhizome terete, 3--7 mm thick, usually with slightly swollen annual knots; annual elongation (distance between knots) 2--3.5 cm. Stem erect, less than 10 cm, glabrous. Leaves several to more than 10, usually crowded, proximal ones alternate, distal ones opposite or in whorls of 3, sessile, linear to oblong, 2--4.5 cm × 3--8 mm, glabrous. Inflorescence solitary in axil of basal leaf, 1(or 2)-flowered; bracts small, membranous, caducous. Flower erect; pedicel 4--7 mm. Perianth purple or pink, cylindric-funnelform, 1.5--2(--2.5) cm; tube 3--4 mm wide; lobes 6--10 mm. Filaments very short, ca. 0.5 mm; anthers ca. 2 mm. Ovary 2--3 mm. Style 1.5--2 mm. Berry red, 7--8 mm in diam., 5--7-seeded. Fl. May--Jun, fr. Sep--Oct. 2 n = 30.
Forests, grassy slopes, alluvial soil; 3200--4300 m. Gansu, Qinghai, ?S Shaanxi (Qin Ling) Sichuan, Xizang, Yunnan [N India, Sikkim].
(责任编辑:徐晔春)
学名(Scientific Name):Polygonatum hookeri Baker
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Polygonatum pumilum Hua
科属(Family & Genus):百合科(Liliaceae)黄精属
形态特征(Description):根状茎圆柱形,结节处稍有增粗,“节间”长2-3.5厘米,直径3-7毫米。植株矮小,高不到10厘米。叶凡枚至10余枚,常紧接在一起,当茎伸长时,显出下部的叶为互生,上部的叶为对生或3叶轮生,条形、矩圆形或矩圆状披针形,长2-4.,厘米,宽3-8毫米,先端略尖。通常全株仅生1花,位于最下的一个叶腋内,少有2朵生于一总花梗上,花梗长4-7毫米;苞片微小,膜质,早落;花被紫色,全长15-20(-25) 毫米,花被筒直径3-4毫米,裂片长6-10毫米;花丝极短,长约0.5毫米,花药长约2毫米;子房长2-3毫米,花柱长约1.5-2毫米。浆果红色,直径7-8毫米,具5-7颗种子。花期5-6月,果期9-10月。
分布(Distribution):产西藏、云南、四川、甘肃和青海。生海拔3200-4300米林下、山坡草地或冲积扇上。印度也有。
用途(Use):引自植物志英文版:FOC Vol. 24 Page 228
Polygonatum hookeri Baker, J. Linn. Soc., Bot. 14: 558. 1875.
独花黄精 du hua huang jing| Liliaceae | Polygonatum
Polygonatum pumilum Hua.
Rhizome terete, 3--7 mm thick, usually with slightly swollen annual knots; annual elongation (distance between knots) 2--3.5 cm. Stem erect, less than 10 cm, glabrous. Leaves several to more than 10, usually crowded, proximal ones alternate, distal ones opposite or in whorls of 3, sessile, linear to oblong, 2--4.5 cm × 3--8 mm, glabrous. Inflorescence solitary in axil of basal leaf, 1(or 2)-flowered; bracts small, membranous, caducous. Flower erect; pedicel 4--7 mm. Perianth purple or pink, cylindric-funnelform, 1.5--2(--2.5) cm; tube 3--4 mm wide; lobes 6--10 mm. Filaments very short, ca. 0.5 mm; anthers ca. 2 mm. Ovary 2--3 mm. Style 1.5--2 mm. Berry red, 7--8 mm in diam., 5--7-seeded. Fl. May--Jun, fr. Sep--Oct. 2 n = 30.
Forests, grassy slopes, alluvial soil; 3200--4300 m. Gansu, Qinghai, ?S Shaanxi (Qin Ling) Sichuan, Xizang, Yunnan [N India, Sikkim].
(责任编辑:徐晔春)
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