Morphological traits

Classification and phylogenetic analysis of Chinese hawthorn assessed by plant and pollen morphology

S. L. Y. Ma, Lu, Y. M., Ma, S. L. Y., and Lu, Y. M., Classification and phylogenetic analysis of Chinese hawthorn assessed by plant and pollen morphology, vol. 15, p. -, 2016.

The Chinese hawthorn (Crataegus pinnatifida Bge. var. major N.E.Br.) is uniquely originated in northern China. The ecological and horticultural importance of Chinese hawthorn is considerable and some varieties are valued for their fruit or medicine extracts. Its taxonomy and phylogeny remain poorly understood. Apart from general plant morphological traits, pollen is an important trait for the classification of plants and their evolutionary origin. However, few studies have investigated the pollen of Chinese hawthorn.

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