calathiform
1. Disk shallowly calathiform, margin entire.
浅杯状的花盘,边缘全缘。
2. petals oblong, 2.5-3 mm.Disk annular or shallowly calathiform, slightly 5-lobed.
花瓣长圆形,花盘2.5-3毫米,环状或杯状,稍5裂。
3. Disk calathiform to annular, slightly fleshy, rim curved.
花盘杯状的对环状,稍肉质,凸缘弯曲。
4. Disk shallowly calathiform, fleshy, very slightly lobed.
花盘浅杯状,肉质,稍稍浅裂的。
5. Disk shallowly calathiform to annular or absent, intrastaminal;
花盘浅的杯状到环状的或无,雄蕊内的;