Corona lobes elliptic, adnate to base of gynostegium.

副花裂片形，合贴生于基部。

Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.

卷须不分枝或二叉。通常花序一多歧聚伞花序。种子形，倒卵球形形，或倒三角形，平滑表面，具皱褶，或具瘤状突起或肋。

Seeds elliptic, base sharp, apex retuse, back chalazal knot zonate, with transverse and obtuse ribs, ventral holes furrowed from upper middle to apex.

种子形，基部尖锐，先端微凹，具环纹背种脐，具横裂和钝肋，腹面洞棱槽从上面中间到先端。

With the concavity and integrability of sublinear terms near zero,the symmetry results for a class of sublinear elliptic equations are given by making use of the moving-plane method.

本文利用次线性项在零点附近凹性和可积性，用移动平面法给出了一类次线性方程正解对称性.

Abstract With the concavity and integrability of sublinear terms near zero,the symmetry results for a class of sublinear elliptic equations are given by making use of the moving-plane method.

摘 要 本文利用次线性项在零点附近凹性和可积性，用移动平面法给出了一类次线性方程正解对称性.