gynostemium
1. Gynostemium 3-lobed.Fruit not seen.
合蕊柱3浅裂果未见。
2. gynostemium 3-lobed.
合蕊柱3裂。
3. gynostemium 3-lobed at apex;
合蕊柱顶端3裂;
4. anthers elliptic, opposite to lobes of gynostemium;
花药椭圆形,合蕊柱的对生于裂片;
5. Stamens 6 in 1 series, fully adnate to the style column to form gynostemium;
雄蕊6枚成1轮,完全贴生于花柱到形成合蕊柱;