TABLE 1. Morphological differences between Poa sorengiana, P. nemoralis and P in Poa sorengiana (Poaceae): a new species from Western Himalaya, India

TABLE 1. Morphological differences between Poa sorengiana, P. nemoralis and P. orinosa. S.No.CharactersPoa sorengiana sp. nov.Poa nemoralis L.Poa orinosa Keng1.Anthers length (mm)0.8–1.1(1.2)(0.8)1.3–1.91.52.Ratio between sheath and blade of flag leafLeaf blade is longer than flag leafLeaf blade is longer than flag leafLeaf blade is shorter than flag leaf3.Ligule length (mm)(1.8–)2–3Less than 12–44.Rachilla surfaceWarty, glabrous or paucipilosePubescentGlabrous5.Uppermost node positionAt the middle or a bit lowerAt the upper 1/2At the 1/3 or lower6.Surface of stem below panicleMore or less scabridSmoothScabrid7Palea between keelsGlabrous or minutely piluloseGlabrousGlabrous表1 索伦早熟禾（Poa sorengiana）、林地早熟禾（Poa nemoralis L.）与奥林早熟禾（Poa orinosa Keng）的形态差异 | 序号 | 性状 | 索伦早熟禾（新种 Poa sorengiana sp. nov.） | 林地早熟禾 Poa nemoralis L. | 奥林早熟禾 Poa orinosa Keng | | --- | --- | --- | --- | --- | | 1 | 花药长度（mm） | 0.8–1.1（偶见1.2，变异下限0.8） | 1.3–1.9 | 1.5 | | 2 | 旗叶（flag leaf）叶鞘（sheath）与叶片（blade）长度之比 | 旗叶叶片长于叶鞘 | 旗叶叶片长于叶鞘 | 旗叶叶片短于叶鞘 | | 3 | 叶舌（ligule）长度（mm） | (1.8–)2–3 | 小于1 | 2–4 | | 4 | 小穗轴（rachilla）表面 | 具疣状突起，无毛或疏生短柔毛 | 被短柔毛 | 无毛 | | 5 | 最上部茎节（node）位置 | 位于茎中部或稍下方 | 位于茎上部1/2处 | 位于茎1/3处或更低 | | 6 | 圆锥花序（panicle）下方的茎秆表面 | 多少具糙硬毛 | 光滑 | 具糙硬毛 | | 7 | 内稃（palea）两脊之间的表面 | 无毛或具微柔毛 | 无毛 | 无毛 |