褐鞘沿阶草Ophiopogon dracaenoides (Baker) Hook. f.
褐鞘沿阶草Ophiopogon dracaenoides (Baker) Hook. f.
5.褐鞘沿阶草 图版44: 1-2
Ophiopogon dracaenoides（Baker）Hook. f.，Fl. Brit. Ind. 6: 268. 1892; Hand. -Mzt., Symb. Sin. 7: 1218. 1936. ——Flueggea dracaenoides Baker in Journ. Of Bot. 12: 174 1874. ——Mondo dracaenoides Farw. in Amer. Midl. Nat. 7: 42. 1921.
根多而细，有时近基部的几个叶簇下生出粗而木质的支柱根。茎稍粗而长.，直径3-5毫米，节上包以灰褐色膜质的鞘，通常每隔几节生叶。叶4-7枚簇生，矩圆形或矩圆状倒披针形，长5.5-14厘米，宽1.8-3.5厘米，先端短尾状骤尖，基部两侧不对称，渐狭成叶柄，上面绿色，背面浅绿色，具多数脉，叶柄长2-7厘米。总状花序生于茎先端的叶束中，长8-12厘米，具10几朵至20几朵花；花常2-3朵簇生于苞片腋内，近顶端的常单生；苞片卵状披针形，最下面的长8-12毫米，先端具短尖或长尖；花梗长4-6毫米，关节位于中部；花被片披针形或卵状披针形，长4-6毫米，白色；花丝很短；花药卵状披针形，长2.5毫米；花柱细，等长或稍长于花被片。种子宽椭圆形，长约1.2厘米。花期8月，果期9-10月。
产云南（东南部）和广西（西部）。生于海拔1000-1400米的林下潮湿处。也分布于印度、越南。
《Flora of China》 Vol. 24 (2000)
Ophiopogon dracaenoides (Baker) J. D. Hooker
褐鞘沿阶草 he qiao yan jie cao
Flueggea dracaenoides Baker, J. Bot. 12: 174. 1874; Mondo dracaenoides (Baker) Farwell.
Stem suberect, elongate, covered with grayish brown sheaths, sometimes with several stiltlike, woody roots near base. Leaves in distant tufts, 4--7 per tuft; petiole 2--7 cm; leaf blade oblong to oblong-oblanceolate, 5.5--14 × 1.8--3.5 cm. Scape arising from an apical leaf axil, 8--12 cm. Inflorescence a reduced panicle, 10--25-flowered; bracts ovate-lanceolate, basal one 0.8--1.2 cm. Flowers solitary or in clusters of 2 or 3; pedicel 4--6 mm, articulate at middle. Tepals white, lanceolate to ovate-lanceolate, 4--6 × 1.5--2.5 mm. Filaments very short; anthers ca. 2.5 mm. Style slightly or scarcely exceeding perianth. Seeds broadly ellipsoid, ca. 1.2 cm in diam. Fl. Aug, fr. Sep--Oct. 2 n = 36*.
Evergreen broad-leaved forests, bamboo forests, moist places in forests, hillsides along ravines; 200--1800 m. W Guangxi, Guizhou, S Yunnan [NE India, Laos, Sikkim, N Thailand, Vietnam].
别名：止咳竹;高脚沿阶草;八宝镇心丹;少年青;龙血树沿阶草;大叶沿阶草;宽叶沿阶草;竹叶青;
科名：百合科 Liliaceae
属名：沿阶草属 Ophiopogon
5.褐鞘沿阶草 图版44: 1-2
Ophiopogon dracaenoides（Baker）Hook. f.，Fl. Brit. Ind. 6: 268. 1892; Hand. -Mzt., Symb. Sin. 7: 1218. 1936. ——Flueggea dracaenoides Baker in Journ. Of Bot. 12: 174 1874. ——Mondo dracaenoides Farw. in Amer. Midl. Nat. 7: 42. 1921.
根多而细，有时近基部的几个叶簇下生出粗而木质的支柱根。茎稍粗而长.，直径3-5毫米，节上包以灰褐色膜质的鞘，通常每隔几节生叶。叶4-7枚簇生，矩圆形或矩圆状倒披针形，长5.5-14厘米，宽1.8-3.5厘米，先端短尾状骤尖，基部两侧不对称，渐狭成叶柄，上面绿色，背面浅绿色，具多数脉，叶柄长2-7厘米。总状花序生于茎先端的叶束中，长8-12厘米，具10几朵至20几朵花；花常2-3朵簇生于苞片腋内，近顶端的常单生；苞片卵状披针形，最下面的长8-12毫米，先端具短尖或长尖；花梗长4-6毫米，关节位于中部；花被片披针形或卵状披针形，长4-6毫米，白色；花丝很短；花药卵状披针形，长2.5毫米；花柱细，等长或稍长于花被片。种子宽椭圆形，长约1.2厘米。花期8月，果期9-10月。
产云南（东南部）和广西（西部）。生于海拔1000-1400米的林下潮湿处。也分布于印度、越南。
《Flora of China》 Vol. 24 (2000)
Ophiopogon dracaenoides (Baker) J. D. Hooker
褐鞘沿阶草 he qiao yan jie cao
Flueggea dracaenoides Baker, J. Bot. 12: 174. 1874; Mondo dracaenoides (Baker) Farwell.
Stem suberect, elongate, covered with grayish brown sheaths, sometimes with several stiltlike, woody roots near base. Leaves in distant tufts, 4--7 per tuft; petiole 2--7 cm; leaf blade oblong to oblong-oblanceolate, 5.5--14 × 1.8--3.5 cm. Scape arising from an apical leaf axil, 8--12 cm. Inflorescence a reduced panicle, 10--25-flowered; bracts ovate-lanceolate, basal one 0.8--1.2 cm. Flowers solitary or in clusters of 2 or 3; pedicel 4--6 mm, articulate at middle. Tepals white, lanceolate to ovate-lanceolate, 4--6 × 1.5--2.5 mm. Filaments very short; anthers ca. 2.5 mm. Style slightly or scarcely exceeding perianth. Seeds broadly ellipsoid, ca. 1.2 cm in diam. Fl. Aug, fr. Sep--Oct. 2 n = 36*.
Evergreen broad-leaved forests, bamboo forests, moist places in forests, hillsides along ravines; 200--1800 m. W Guangxi, Guizhou, S Yunnan [NE India, Laos, Sikkim, N Thailand, Vietnam].