莎草科薹草属二柱薹草亚属白山薹草组分种检索表

1. 雌花鳞片褐色。果囊背面从喙口深裂至中部……………………485. 二裂薹草  C. lachenalii Schkuhr
1. 雌花鳞片苍白色或淡黄色。果囊喙口微凹或2齿裂。
  2. 果囊具极短的喙,喙缘粗糙…………………………………………486. 白山薹草  C. curta Good.
  2. 果囊喙不明显或近无喙。
    3. 果囊的脉隆起。小穗彼此远离……………………………………487. 间穗薹草  C. loliacea L.
    3. 果囊的脉虽明显,但不隆起。小穗聚集成头状花序……488. 细花薹草  C. tenuiflora Wahlenb.

周一, 2018-09-17 15:58 -- bairg
http://www.gravatar.com/avatar/f8b2af7915da1496068b5ccd341549ed.jpg?d=http%3A//frps.onlineflora.cn/sites/all/modules/contrib/gravatar/avatar-clear.png&s=100&r=G
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith