尼泊尔嵩草Kobresia nepalensis (Nees) Kukenth.
尼泊尔嵩草Kobresia nepalensis (Nees) Kukenth.
50. 尼泊尔嵩草（图鉴）图版10: 8-10
Kobresia nepalensis (Nees) Kukenth. in Engl., Pflanzenr. Heft 38 (IV, 20): 40, fig. 9, 1909; Ivan. in Journ. Bot. USSR, 24: 499, 1939; T. Koyama in Ohashi, Fl. East. Himal. 3: 128, 1973 et in Hara et J. H. L. Williams, Enum. Flow. Nepal. 1: 113, 1978; 中国高等植物图鉴5: 264, 图7357, 1976; 西藏植物志5: 384, 图216, 1987; 横断山区维管植物下册: 2351, 1994. ——Uncinia nepalensis Nees in Wight. Contrib. Bot. Ind. 129, 1834.——Carex linearis Boott. Illustr. Carex 1: 51, t. 136, 1858.
根状茎短。秆密丛生，纤细，柔软，高10-40厘米，粗约1毫米，钝三棱形，无毛，基部为褐色或淡褐色宿存叶鞘所包。叶与秆近等长，线形，柔软，腹面有沟，边缘微粗糙。穗状花序雄雌顺序，线形，长2.5-8厘米，粗2-3 (4) 毫米，具多数密生的支小穗；雄花部分较细，比雌花部分短。雄花鳞片线状长圆形，长5-7毫米，顶端钝，纸质，褐色，具3枚雄蕊；雌花鳞片长圆形或长圆状披针形，长3.5-4.5毫米，顶端渐尖或钝，有时具短尖，纸质，两侧褐色，有或无白色膜质边缘，中间淡绿色，有3条脉。先出叶囊状，线状长圆形，长5-7.5毫米，膜质，黄绿色，上部带褐色，在腹面，边缘连合几至顶部，背面具粗糙的2脊，脊间无脉，上部渐狭呈喙状，喙口斜；小坚果线状长圆形，钝三棱形，长3.5-5.5毫米，成熟时褐色，顶端具长喙，不伸出或者伸出于先出叶之外；花柱基部略增粗，柱头3个。退化小穗轴长及小坚果的1/3或1/4。花果期6-10月。
产于四川西部和西南部、云南西部和西北部、西藏东部、南部和西部；生于海拔3600-4600米的高山灌丛草甸和高山草甸或流石滩。锡金、尼泊尔、印度北部至克什米尔地区也有分布。模式标本采自尼泊尔。
《Flora of China》 Vol. 23 (2010)
Kobresia nepalensis (Nees) Kükenthal in Engler Pflanzenr. 38(IV. 20): 40. 1909.
尼泊尔嵩草 ni bo er song cao
Uncinia nepalensis Nees in Wight, Contr. Bot. India, 129. 1834; Carex linearis Boott (1858), not Clairville (1811); C. linearis var. elachista C. B. Clarke; Kobresia nepalensis var. elachista (C. B. Clarke) Kükenthal.
Rhizomes short. Basal sheaths prominent and persistent, pale brown or brown, dull, fibrillose, not retaining dried leaf blades. Culms densely tufted, erect and rigid, occasionally filiform, obtusely trigonous, (2-)10-44 cm tall, 0.7-1.5 mm in diam. Leaves basal, ± equaling culms; blade filiform, margin involute, 0.3-1.1 mm wide. Inflorescence spicate, androgynous, linear, 1.5-8 × 0.2-0.5 cm, dense above, looser below; lowest involucral bract glumelike, apex long aristate. Spikelets all unisexual, 1-flowered. Male glumes yellowish brown laterally, with green midvein, narrowly oblong, ca. 7.5 × 1.5 mm, sides papery, margin not hyaline, apex obtuse. Female glumes brown laterally, with green midvein, ovate to lanceolate, 3.3-5 × 2-2.4 mm, midvein broad, margin hyaline or not, apex mucronate, acute, or obtuse. Prophylls lower part pale green, apex brown, utriculiform, linear-oblong, 4-7.5 × 0.8-1.7 mm, membranous, 2-keeled, keels scabrid, margins open only near apex. Nutlets narrowly oblong or oblanceolate, trigonous, stipitate and beaked, 3.5-6.5 (including beak and stipe) × 0.7-1 mm, beak 1.5-2.2 mm, stipe ca. 0.5 mm. Stigmas 3. Sterile rachilla of female spikelets green, linear, 1/4-2/3 as long as nutlet, margin ciliate. Fl. and fr. Jun-Oct.
Scree slopes, dry grassy slopes, on rocks, alpine shrubby meadows, damp rocky cliffs; 3600-4600 m. Sichuan, Xizang, Yunnan [Bhutan, India (Sikkim, Uttarakhand), Kashmir, Nepal, Pakistan].
别名：尼泊尔蒿草;
科名：莎草科 Cyperaceae
属名：嵩草属 Kobresia
50. 尼泊尔嵩草（图鉴）图版10: 8-10
Kobresia nepalensis (Nees) Kukenth. in Engl., Pflanzenr. Heft 38 (IV, 20): 40, fig. 9, 1909; Ivan. in Journ. Bot. USSR, 24: 499, 1939; T. Koyama in Ohashi, Fl. East. Himal. 3: 128, 1973 et in Hara et J. H. L. Williams, Enum. Flow. Nepal. 1: 113, 1978; 中国高等植物图鉴5: 264, 图7357, 1976; 西藏植物志5: 384, 图216, 1987; 横断山区维管植物下册: 2351, 1994. ——Uncinia nepalensis Nees in Wight. Contrib. Bot. Ind. 129, 1834.——Carex linearis Boott. Illustr. Carex 1: 51, t. 136, 1858.
根状茎短。秆密丛生，纤细，柔软，高10-40厘米，粗约1毫米，钝三棱形，无毛，基部为褐色或淡褐色宿存叶鞘所包。叶与秆近等长，线形，柔软，腹面有沟，边缘微粗糙。穗状花序雄雌顺序，线形，长2.5-8厘米，粗2-3 (4) 毫米，具多数密生的支小穗；雄花部分较细，比雌花部分短。雄花鳞片线状长圆形，长5-7毫米，顶端钝，纸质，褐色，具3枚雄蕊；雌花鳞片长圆形或长圆状披针形，长3.5-4.5毫米，顶端渐尖或钝，有时具短尖，纸质，两侧褐色，有或无白色膜质边缘，中间淡绿色，有3条脉。先出叶囊状，线状长圆形，长5-7.5毫米，膜质，黄绿色，上部带褐色，在腹面，边缘连合几至顶部，背面具粗糙的2脊，脊间无脉，上部渐狭呈喙状，喙口斜；小坚果线状长圆形，钝三棱形，长3.5-5.5毫米，成熟时褐色，顶端具长喙，不伸出或者伸出于先出叶之外；花柱基部略增粗，柱头3个。退化小穗轴长及小坚果的1/3或1/4。花果期6-10月。
产于四川西部和西南部、云南西部和西北部、西藏东部、南部和西部；生于海拔3600-4600米的高山灌丛草甸和高山草甸或流石滩。锡金、尼泊尔、印度北部至克什米尔地区也有分布。模式标本采自尼泊尔。
《Flora of China》 Vol. 23 (2010)
Kobresia nepalensis (Nees) Kükenthal in Engler Pflanzenr. 38(IV. 20): 40. 1909.
尼泊尔嵩草 ni bo er song cao
Uncinia nepalensis Nees in Wight, Contr. Bot. India, 129. 1834; Carex linearis Boott (1858), not Clairville (1811); C. linearis var. elachista C. B. Clarke; Kobresia nepalensis var. elachista (C. B. Clarke) Kükenthal.
Rhizomes short. Basal sheaths prominent and persistent, pale brown or brown, dull, fibrillose, not retaining dried leaf blades. Culms densely tufted, erect and rigid, occasionally filiform, obtusely trigonous, (2-)10-44 cm tall, 0.7-1.5 mm in diam. Leaves basal, ± equaling culms; blade filiform, margin involute, 0.3-1.1 mm wide. Inflorescence spicate, androgynous, linear, 1.5-8 × 0.2-0.5 cm, dense above, looser below; lowest involucral bract glumelike, apex long aristate. Spikelets all unisexual, 1-flowered. Male glumes yellowish brown laterally, with green midvein, narrowly oblong, ca. 7.5 × 1.5 mm, sides papery, margin not hyaline, apex obtuse. Female glumes brown laterally, with green midvein, ovate to lanceolate, 3.3-5 × 2-2.4 mm, midvein broad, margin hyaline or not, apex mucronate, acute, or obtuse. Prophylls lower part pale green, apex brown, utriculiform, linear-oblong, 4-7.5 × 0.8-1.7 mm, membranous, 2-keeled, keels scabrid, margins open only near apex. Nutlets narrowly oblong or oblanceolate, trigonous, stipitate and beaked, 3.5-6.5 (including beak and stipe) × 0.7-1 mm, beak 1.5-2.2 mm, stipe ca. 0.5 mm. Stigmas 3. Sterile rachilla of female spikelets green, linear, 1/4-2/3 as long as nutlet, margin ciliate. Fl. and fr. Jun-Oct.
Scree slopes, dry grassy slopes, on rocks, alpine shrubby meadows, damp rocky cliffs; 3600-4600 m. Sichuan, Xizang, Yunnan [Bhutan, India (Sikkim, Uttarakhand), Kashmir, Nepal, Pakistan].
