The use of cuticular features in the taxonomy of the Lauraceae
The use of cuticular features in the taxonomy of the Lauraceae
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DOI：
10.2307/2399871
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发表时间：
1996-01-01
影响因子：
1.9
通讯作者：
Rowett, AI
中科院分区：
文献类型：
--
作者：
Christophel, DC;Kerrigan, R;Rowett, AI
樟科有50多个属2500多种，其最近的分类普遍缺乏一致性，是进行基于叶角质层的全球研究的理想候选者。介绍了一种制备角质层的技术，并讨论了这类研究中使用的三种类型的特征(细胞形态、气孔复合体和特殊细胞类型)。初步结果表明，这些角质层特征在确定Endiandra和Beilschmiedia等属以及分类生物地理异常方面是有用的，例如在Caryodaphnopsis中发现的角质层，其中角质层确认分离的物种在一个属内的位置。讨论了较大属的潜在挑战/问题，如荔枝属、隐果核属、肉桂属、OcoTea属和Nectandra属。
The Lauraceae, with more than 2500 species in over 50 genera, and with the general lack of agreement in their recent classification, make an ideal candidate for a global study based on leaf cuticles. A technique for preparing cuticles is presented, and three types of characters of use in such studies (cell form, stomatal complex, and special cell types) are discussed. Preliminary results demonstrate the utility of these cuticular characters in defining genera such as Endiandra and Beilschmiedia and in sorting out biogeographical anomalies, such as found in Caryodaphnopsis, where the cuticles confirm placement of disjunct species within one genus. Potential challenges/problems posed by larger genera such as Litsea, Cryptocarya, Cinnamomum, Ocotea, and Nectandra are discussed.