| 词条 | 高株披碱草 |
| 释义 | 基本资料名称状态：被SP2000收录，状态为：Elymus altissimus为接受名 中文名：高株披碱草 分布：青海,四川,新疆,云南 形态描述37. Elymus altissimus (Keng) á. L?ve ex B. Rong Lu, Nordic J. Bot. 15: 24. 1995. 高株披碱草 gao zhu pi jian cao Roegneria altissima Keng, Acta Univ. Nankin. Sci. Nat. 1963(1): 53. 1963. Culms tufted, erect, slightly geniculate, 70–150 cm, rigid, 5–7-noded. Leaf blade glaucous green, 7–25(–40) × 0.6–1 cm, abaxial surface glabrous, adaxial surface laxly puberulent, margin scabrous. Spike erect or slightly curved, 15–18 cm. Spikelets 1 per node, ca. 11 mm, with 1–3 florets. Glumes greenish or slightly purplish, oblong, 5–6 mm, thick, 5–7-veined or proximal glume 3-veined, apex acuminate. Lemma yellowish green or slightly purplish, oblong-lanceolate, pubescent only at base and at margin; first lemma ca. 10 mm; awn slightly reflexed, robust, 10–20 mm. Palea slightly shorter than lemma, apex emarginate or subrounded. Fl. and fr. Jun–Sep. 2n = 28*.* Forests, meadows; 1700–3400 m. Qinghai, Sichuan, Xinjiang, Yunnan. L?ve (Feddes Repert. 95: 448. 1984) did not previously validly publish the combination Elymus altissimus; see the note following the genus description above. |
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