半枫荷极少呈连片集中分布，大多为零星、“孤岛”散落分布于各山区中，这为

Pterospermum little was concentrated contiguous, mostly sporadic, "islands" scattered distributed in the mountainous area, which was looking for was not found Pterospermum distribution point, build Pterospermum core germplasm bank and protect this important endangered plants to increase a lot more difficult, this study may provide a basis for this purpose reference data

Half-maple load is rarely concentrated distribution, mostly sporadic, "island" scattered in various mountain areas, which for the search for the undiscovered semi-maple lotus distribution point, the construction of semi-maple load core seed resource bank and protection of this important endangered plant increased a lot of difficulty, this study can provide basic data reference for this

This study can provide a reference for basic data to find out the distribution point, construct the core germplasm resource bank and protect this important endangered plant