栝楼属一新种——腺栝楼

Trichosanthes glandulosa,A new species of Trichosanthes L.

报道了葫芦科Cucurbitaceae栝楼属Trichosanthes L.一新种——腺栝楼T.glandulosa G.Q.Zhu,H.Z.Peng et X.H.Liu。腺栝楼和长萼栝楼T.laceribractea Hayata相似,但腺栝楼的叶腋具线状披针形、内卷的假托叶;雄花序具苞片,花萼被腺毛,萼裂片开张,三角状披针形,长2.0~2.5 cm,先端尾尖,边缘具细裂片;雌花花梗被刚毛状刺毛和腺毛,花萼被腺毛,裂片披针形,长1.0~1.7 cm,边缘有锯齿或细裂片,子房被腺毛,易与后者区别。

Trichosanthes glandulosa G.Q.Zhu,H.Z.Peng et X.H.Liu,a new species of Trichosanthes L.was reported.T.glandulosa is similar to T.laceribractea Hayata,but the leaf axils of T.glandulosa was pseudostipule,linear-lanceolate,adaxially involute,and male raceme with bract,calyx glandular pubescent outside,segments open,triangular-lanceolate,2.0-2.5 cm,apex caudate,margin laciniate.Pedicel of female flowers was hispidulous and glandular pubescent,calyx glandular pubescent outside,segments lanceolate,1.0-1.7 cm,margin serrate or laciniate,ovary glandular pubescent,and was easy to distinguish from the latter.