Evolutionary developmental study of Heteropappus species (Asteraceae)

对硬毛狗娃花与其生态亚种H.硬毛亚种leptocladus和H.硬毛亚种insularis在沿海地区，进行了形态和解剖学的方法。形态学分析表明，H.硬毛亚种细枝藻的小型化和窄叶化程度较高，H.硬毛亚种insularis比H.硬毛亚种硬毛此外，解剖学分析表明，H。硬毛亚种leptocladus是由细胞大小和数量减少引起的，但H.硬毛亚种岛状藻细胞体积增大，但细胞数量减少。

The comparative study of leaf morphology in Heteropappus hispidus and its ecotypic subspecies, H. hispidus ssp. leptocladus in serpentine soils and H. hispidus ssp. insularis in the coastal area, were conducted using morphological and anatomical approaches. The morphological analyses revealed that the leaf of H. hispidus ssp. leptocladus was more miniaturization and stenophyllization, and H. hispidus ssp. insularis has larger leaves than those of H. hispidus ssp. hispidus. Moreover, the anatomical analyses indicate that the leaf of H. hispidus ssp. leptocladus caused by decreased size and number of the cells but H. hispidus ssp. insularis also decrease the cell number though the cell size was increased.