A discussion of the relationship between <i>Ophiorrhiza exigua</i> and <i>O. michelloides</i> (Rubiaceae) with the description of a new species

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  • Yan‐Hua Hu
    College of Forestry, Central South Univ. of Forestry and Technology Changsha China
  • Wen‐Jian Liu
    College of Forestry, Central South Univ. of Forestry and Technology Changsha China
  • Xiao‐Fei Song
    College of Forestry, Central South Univ. of Forestry and Technology Changsha China
  • Guo‐Xing Deng
    Mangshan National Nature Reserve Chenzhou China
  • Koh Nakamura
    Graduate School of Engineering and Science, Univ. of the Ryukyus Nishihara Japan
  • Lei Wu
    College of Forestry, Central South Univ. of Forestry and Technology Changsha China
  • Quan‐Ru Liu
    College of Life Sciences, Beijing Normal Univ. Beijing China

抄録

<jats:p>Through field observations, studies of herbarium specimens and relevant literature, <jats:italic>Ophiorrhiza exigua</jats:italic> and <jats:italic>O. michelloides</jats:italic>, two long‐controversial species are shown to be two different species. Meanwhile, our results supported <jats:italic>O. nanlingensis</jats:italic> L. Wu & Q. R. Liu as a new species, previously confused with <jats:italic>O. exigua</jats:italic>. <jats:italic>Ophiorrhiza nanlingensis</jats:italic> is morphologically similar to <jats:italic>O. exigua</jats:italic> and <jats:italic>O. michelloides</jats:italic>, but differs from the former in its monostylous flowers and corolla tube without a ring of hairs inside, and from the latter in pubescence of most vegetative organs with unicellular trichomes which are generally shorter than 0.3 mm and inflorescence nutant when young and then erect. We provide a detailed morphological and habitat description, as well as colour photographs and illustrations of the new species.</jats:p>

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