On the Numerical Classification and Determination of Taxa of Chinese Bamboos with Leptomorph Rhizomes

On the Numerical Classification and Determination of Taxa of Chinese Bamboos with Leptomorph Rhizomes

Chen Shou-Liang, Xu Ke-Xue, Sheng Guo-Ying

Received:1900-01-01 Revised:1900-01-01 Online:1983-05-18 Published:1983-05-18
Contact: Chen Shou-Liang

Abstract

Abstract:

In this paper, 21 species representing 13 genera were studied by means of humeri-

cal taxonomic methodes. One geographical and 52 morphological characters were used.

The correlation coefficients were computed by standardized data, and the various clus-

tering methods were performed on the correlation matr x. The UPGMA clustering

method was selected as the optimal one and its results were shown in the form of

dendrograms.

We present a simple method to construct the joint and broken lines by which the

boundary of the genera, subtribes and tribes in the dendrogram is determined.

By means of numerical taxonomic methods, we can easily work out a systematic

dendrogram and the following taxonomic treatments are easily proposed:

(1) Sasamorpha sinica (Keng) Koidz. should be reffered to the genus Sasa Makino

& Shibata.

(2) Pseudosasa amabilis (McClure) Keng f. should belong to the genus Pseudosasa

Makino and should not be referred to the genus Arundinaria Michaux.

(3) The genus Brachystachyum Keng should be considered as a separate one.

(4) The genus Pleioblastus Nakai should not be combined with the genus Arun-

dinaria Michaux, but kept as an independent one.

Chen Shou-Liang, Xu Ke-Xue, Sheng Guo-Ying. On the Numerical Classification and Determination of Taxa of Chinese Bamboos with Leptomorph Rhizomes[J]. .

On the Numerical Classification and Determination of Taxa of Chinese Bamboos with Leptomorph Rhizomes

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Abstract

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