中国豆科植物在线

中国豆科植物网络分类研究平台

Rhodiola 红景天属四裂红景天组分系检索表

1.花瓣大,直立,长1厘米左右;花瓣边缘流苏状或稍不整齐;叶狭,几为线形……………………………
  …………………………………………………系1.小丛红景天系  Ser. Dumulosae (Fröd. ) S. H. Fu
1.花大或小,花瓣全缘;叶狭或宽。
  2.根颈短,有分枝,或稍伸长,残留老枝茎多数;花小……………………………………………………
    ……………………………………………系2.四裂红景天系  Ser. Quadrifidae (Fröd. ) S. H. Fu
  2.根颈多少伸长,上下稍同粗细,残留老枝茎稍少数;花稍大………………………………………………
    ………………………………………………系3.长鞭红景天系  Ser. Fastigiatae (Fröd. )S. H. Fu

星期五, 2014-06-27 11:17 -- bob59
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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith