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炮仗花(Pyrostegia venusta)为紫葳科炮仗花属常绿藤本。茎粗壮有棱，长达8m。叶对生 ，复叶，小叶1—3片，其中顶生小叶常变为3分叉的卷须，以此攀附它物。小叶卵形至卵状椭圆形，长5—10cm，宽3—5cm，全缘，两面无毛。花组成顶生圆锥状聚伞花序，花冠筒状，长约4—6cm，橙黄
Pyrostegia venusta is an evergreen vase of the genus Prodigious. Stems thick and angular, up to 8m. Leaf opposite, compound leaves, leaflets 1-3 tablets, of which the top leaflets often become 3-forked tendrils, in order to cling to it. Leaflets ovate to ovate-elliptic, 5-10cm long, 3-5cm wide, entire, both surfaces glabrous. Flowers top conical cymes, corolla tube, about 4-6cm, yellow-orange