Attribute correlations in the Poaceae (grasses)
作者:
H. T. CLIFFORD,
期刊:
Botanical Journal of the Linnean Society
(WILEY Available online 1969)
卷期:
Volume 62,
issue 1
页码: 59-67
ISSN:0024-4074
年代: 1969
DOI:10.1111/j.1095-8339.1969.tb01956.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
Investigation of correlations between a number of two‐state attributes for a sample of grass genera revealed that a high proportion of the correlations were statistically significant. There were proportionately more correlations between attributes from the same organ than between attributes from different organS. Furthermore, attributes associated with the fruit and leaf were found to be more closely correlated with attributes other than those of the flower and spikelet, thereby indicating fruit and leaf attributes to be important in the classification of the grasseS. It is considered that the correlations have arisen in part as a result of the phylogenetic origins of the genera and in part as a response to natural selection determining distribution of genera adapted to present‐day habit
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