类早熟禾组

外稃基盘较长尖，两侧具直伸柔毛;颖片与其外稃近等长。类早熟禾组Sect.Arctopoa(Griseb.)Tzvel.inArkt.Fl.URSS2:121.1964.--Arctopoa(Griseb.)Probat.,Nov.Sist.Vyssh.Rast.11:49.1974.--Glyceriasect.ArctopoaGriseb.inLedeb.Fl.Ross.4:392.1852.