肉质的

Stem succulent, simple or divaricately branched from middle, lower nodes swollen, naked.

茎，单或中间分枝，下部节膨胀，裸露。

2(1) Fleshy or ligneous berry; seeds wingless; scandent often arboreous shrubs or small trees.

或果；种子无翅；攀缘经常乔状灌或者小乔。

Stem conspicuously striate or tetragonous, robust, succulent, simple or branched in upper part.

茎显著具条纹或4棱，，，单一或分枝在上半部分。