小穗发草Deschampsia caespitosa (Linn.) Beauv. var. microstachya Roshev.
小穗发草Deschampsia caespitosa (Linn.) Beauv. var. microstachya Roshev.
《Flora of China》 Vol. 22 (2006)
Deschampsia cespitosa subsp. orientalis Hultén
小穗发草 xiao sui fa cao
Aira sukatschewii Poplavskaja; Deschampsia cespitosa var. festucifolia Honda; D. cespitosa var. microstachya Roshevitz; D. cespitosa subsp. sukatschewii (Poplavskaja) Chiapella & Probatova; D. orien-talis (HultΘn) B. S. Sun; D. sukatschewii (Poplavskaja) Roshevitz; D. sukatschewii subsp. orientalis (HultΘn) Tzvelev.
Culms 10–70 cm tall. Leaf blades 1–2 mm wide. Panicle open, 6–18 cm; branches flexuous, smooth or scaberulous. Spikelets 2.5–5 mm; glumes subequaling spikelet; lemmas awned between lower 1/3–1/2; awn usually longer than lemma.
Flood plains, river sand and gravel, wet meadows; below 3800 m. Heilongjiang, Nei Mongol, Qinghai, Taiwan, Xinjiang, Yunnan [Japan, Korea, Mongolia, Russia (Far East, Siberia); North America].
Deschampsia cespitosa subsp. orientalis is the most common subspecies in E Asia, where it is a vicariant of subsp. cespitosa, which is native in Europe and western parts of Asia and introduced in E Asia.
科名：禾本科 Gramineae
属名：发草属 Deschampsia
《Flora of China》 Vol. 22 (2006)
Deschampsia cespitosa subsp. orientalis Hultén
小穗发草 xiao sui fa cao
Aira sukatschewii Poplavskaja; Deschampsia cespitosa var. festucifolia Honda; D. cespitosa var. microstachya Roshevitz; D. cespitosa subsp. sukatschewii (Poplavskaja) Chiapella & Probatova; D. orien-talis (HultΘn) B. S. Sun; D. sukatschewii (Poplavskaja) Roshevitz; D. sukatschewii subsp. orientalis (HultΘn) Tzvelev.
Culms 10–70 cm tall. Leaf blades 1–2 mm wide. Panicle open, 6–18 cm; branches flexuous, smooth or scaberulous. Spikelets 2.5–5 mm; glumes subequaling spikelet; lemmas awned between lower 1/3–1/2; awn usually longer than lemma.
Flood plains, river sand and gravel, wet meadows; below 3800 m. Heilongjiang, Nei Mongol, Qinghai, Taiwan, Xinjiang, Yunnan [Japan, Korea, Mongolia, Russia (Far East, Siberia); North America].
Deschampsia cespitosa subsp. orientalis is the most common subspecies in E Asia, where it is a vicariant of subsp. cespitosa, which is native in Europe and western parts of Asia and introduced in E Asia.