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描述了沙棘属 (H ippophae)一个分布于四川省汶县和茂县的新亚种——卧龙沙棘 (H.rhamnoidessubsp wolongensis Y. S. L ian,K. Sun & X. L . Chen)。依据主要形态特征和分布的分析 ,它近缘于中国沙棘 ,但是卧龙沙棘具有莲花瓣状着生的花芽 ,叶片大而互生、叶边缘呈明显地波状而且波谷常向背面稍反折 ,叶柄和果柄明显较长等 ,容易辨认。卧龙沙棘分布比较小 ,仅仅出现在四川省汶县和茂县海拨 16 6 0～ 192 0 m的山坡上。
Describes H. ippophae, a new subspecies of H. rhamnoidessubsp wolongensis Y. S. L ian, K. Sun & X. L. Chen, distributed in Wen County and Maoxian County, Sichuan Province. According to the analysis of the main morphological characteristics and distribution, it is closely related to Chinese seabuckthorn, but Wolong sea buckthorn has flower buds with lotus petals, the leaves are large and alternate, the leaf edges are obviously wavy and the trough often reflexes slightly to the back, Obviously longer stalk, easy to identify. Wolong sea buckthorn distribution is relatively small, only appeared in Wen County, Sichuan Province and Mao Xian 1660 ~ 192 0 m on the slopes.