尼氏早熟禾Poa nevskii Roshev. ex Ovcz.
科名:禾本科 Gramineae
属名:早熟禾属 Poa
《中国植物志》第9(2)卷224页
224.尼氏早熟禾(拟)
Poa nevskii Roshev. ex Ovcz. in Izv. Tai. Bazy AN SSSR 1(1): 10. 13. 1933. et in Kom. Fl. URSS 2: 377, Pl. 28. fig. 2. 1934. ——Poa bulbosa suhsp. nevskii(Roshev. ex Ovcz. )Tzvel. in Nov. Sist. Vyssh. Rast. 10: 95. 1973. et in Fed. Poac. URSS 450. 1976.
多年生。秆直立,丛生,高35-60厘米。叶鞘基部增厚聚集于茎基而增大,平滑无毛;叶舌长2-4毫米;叶片线形,扁平或对折,宽2.5毫米,蘖生叶狭窄,较长成刚毛状。圆锥花序长5-10厘米,宽1-3厘米,具多数小穗,分枝长1-3厘米,粗糙;小穗长4-5毫米,含3-5小花,绿色;颖片狭披针形,第一颖短小;外稃披针形,长2.5-3.5毫米,间脉不明显,除脊与侧脉稍有柔毛外,全无毛,基盘无绵毛;内稃与外稃近等长;花药长2毫米。花期5-6月。
产新疆。生于山坡草地,海拔3000-4000米。分布于帕米尔高原。模式标本采自帕米尔。
《Flora of China》 Vol. 22 (2006)
Poa bulbosa subsp. nevskii (Roshevitz ex Ovczinnikov) Tzvelev
尼氏早熟禾 ni shi zao shu he
Poa nevskii Roshevitz ex Ovczinnikov, Izv. Tadzh. Bazy Akad. Nauk SSSR 1: 10. 1933.
Culms 35–60 cm tall. Leaf blade 2–2.5 mm wide, narrower in tillers. Vivipary absent; lemmas 2.5–3.5 mm, keel and marginal veins sparsely shortly villous or glabrous throughout; callus glabrous. Anthers ca. 2 mm. Fl. and fr. May–Jun.
Grassy places on slopes; 3000–4000 m. Xinjiang [Tajikistan, Turkmenistan, Uzbekistan].
This subspecies was reported from Xinjiang in FRPS (9(2): 224. 2002, as P. nevskii), but not in Fl. Xinjiang. (6, 1996). The presence of this taxon in China has not been confirmed by us.
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