【摘要】 结合编写《河北树木志》作者对省产木本植物的特有种及亚特有种进行了统计与考证,现知特有种10种(包括种下等级),亚特有种6种(包括种下等级);指出了各种与其近缘种间的区别点及分布区域和适生条件。更多还原

【Abstract】 The particular species and sub particular species of woody plantsin Hebei province were examined when the authors compiled the work“Sylva Hebeica”.Ten particular species(include sub grade),and 6 subparticular species(include sub grade)were found.The differences betweenthem were pointed out.Their distribution and suitable sites were alsobriefly described.更多还原