广东常山,广东绣球花科一新种

Dichroa fistulosa (Hydrangeaceae), A New Species from Guangdong, China

摘要:

首次发现并描述了中国广东省的绣球花科（Hydrangeaceae）常山属（Dichroa）一新种：广东常山（D. fistulosa）。该种具有空心的茎，这在常山属中是唯一的。该种与海南常山（D. mollissima）相似，但可以通过其叶上的毛被来区分。该种亦与菲律宾常山（D. philippinensis）相似，但其叶的形状及锯齿明显不同。

Abstract:

One new species, Dichroa fistulosa from Guangdong Province, China, is described and illustrated, which belongs to genus Dichroa, Hydrangeaceae. The species possesses hollow stems, which is unique in the genus. It resembles D. mollissima, but can be distinguished by its indumentum of leaves. It is also similar to D. philippinensis in gross appearance, but the shape and serration of leaves are quite different.