雅灯心草Juncus concinnus D. Don
雅灯心草Juncus concinnus D. Don
65.雅灯心草（中国高等植物图鉴）
Juncus concinnus D. Don, Prodr. Fl. Nepal. 44. 1825 et in Trans. Linn, Soc. Lond. 18: 321. 1840; Hook. f., Fl. Brit. Ind. 6: 399. 1894; Buchen. in Engl., Pflanzenr. 25 (N. 36) : 235. 1906. ——J. elegans Royle ex D. Don in Trans. Linn. Soc. Lond. 18: 321. 1840, pro syn.——J. elegans G. Sam. in Hand. -Mazz., Symb. Sin. 7: 1232. 1936; Baehni, Bonner et Vautier in Candollea 13: 222. 1951; 中国高等植物图鉴5: 419. 图. 7667. 1976.
《Flora of China》 Vol. 24 (2000)
Juncus concinnus D. Don
雅灯心草 ya deng xin cao
Juncus elegans Royle ex D. Don; J. elegans Samuelsson (1936) not Royle ex D. Don (1840).
Plants perennial, tufted, 16--45 cm tall. Rhizome chestnut brown. Stems terete, 0.5--1 mm in diam., striate. Cataphylls 1 or 2, chestnut brown. Basal leaves 1 or 2, cauline leaves 1--3; leaf sheath auricles 0.5--1 mm, membranous; leaf blade linear, pluritubular, adaxially channeled, V-shaped in cross section, not septate, 2--16 cm × 0.3--2 mm, apex obtuse. Inflorescences terminal; involucral bract leaflike, lanceolate, 1.5--6 cm; heads 2--5(--7), hemispheric, 8--10 mm in diam., (3--)5--7(--14)-flowered. Perianth segments yellowish white, lanceolate to oblong; outer segments 3--3.5 mm, apex acute; inner segments 3.5--4 mm, apex obtuse. Stamens 6, distinctly longer than perianth; filaments chestnut brown, linear, 4--5 mm; anthers 1--1.5 mm. Style 1.2--1.8 mm; stigmas 0.7--1.1 mm. Capsule trigonous ovoid to ellipsoid, 2--3 mm, 3-septate, apex beaked; beak 0.5--1 mm; style persistent. Seeds chestnut brown, ovoid to oblong, 0.6--0.7 mm, both ends appendaged; appendages 0.1--0.2 mm. Fl. Jul--Aug, fr. Aug--Sep.
Forests on mountain slopes, wet grasslands, moist soil in ravines; 1500--3900 m. Sichuan, Xizang, Yunnan [Bhutan, India, Kashmir, Nepal, Sikkim].
别名：雅灯芯草;葱状灯心草;灯心草;
科名：灯心草科 Juncaceae
属名：灯心草属 Juncus
65.雅灯心草（中国高等植物图鉴）
Juncus concinnus D. Don, Prodr. Fl. Nepal. 44. 1825 et in Trans. Linn, Soc. Lond. 18: 321. 1840; Hook. f., Fl. Brit. Ind. 6: 399. 1894; Buchen. in Engl., Pflanzenr. 25 (N. 36) : 235. 1906. ——J. elegans Royle ex D. Don in Trans. Linn. Soc. Lond. 18: 321. 1840, pro syn.——J. elegans G. Sam. in Hand. -Mazz., Symb. Sin. 7: 1232. 1936; Baehni, Bonner et Vautier in Candollea 13: 222. 1951; 中国高等植物图鉴5: 419. 图. 7667. 1976.
《Flora of China》 Vol. 24 (2000)
Juncus concinnus D. Don
雅灯心草 ya deng xin cao
Juncus elegans Royle ex D. Don; J. elegans Samuelsson (1936) not Royle ex D. Don (1840).
Plants perennial, tufted, 16--45 cm tall. Rhizome chestnut brown. Stems terete, 0.5--1 mm in diam., striate. Cataphylls 1 or 2, chestnut brown. Basal leaves 1 or 2, cauline leaves 1--3; leaf sheath auricles 0.5--1 mm, membranous; leaf blade linear, pluritubular, adaxially channeled, V-shaped in cross section, not septate, 2--16 cm × 0.3--2 mm, apex obtuse. Inflorescences terminal; involucral bract leaflike, lanceolate, 1.5--6 cm; heads 2--5(--7), hemispheric, 8--10 mm in diam., (3--)5--7(--14)-flowered. Perianth segments yellowish white, lanceolate to oblong; outer segments 3--3.5 mm, apex acute; inner segments 3.5--4 mm, apex obtuse. Stamens 6, distinctly longer than perianth; filaments chestnut brown, linear, 4--5 mm; anthers 1--1.5 mm. Style 1.2--1.8 mm; stigmas 0.7--1.1 mm. Capsule trigonous ovoid to ellipsoid, 2--3 mm, 3-septate, apex beaked; beak 0.5--1 mm; style persistent. Seeds chestnut brown, ovoid to oblong, 0.6--0.7 mm, both ends appendaged; appendages 0.1--0.2 mm. Fl. Jul--Aug, fr. Aug--Sep.
Forests on mountain slopes, wet grasslands, moist soil in ravines; 1500--3900 m. Sichuan, Xizang, Yunnan [Bhutan, India, Kashmir, Nepal, Sikkim].