Disk [rarely lacking] within androecium, nectariferous, flattened, annular, cup-shaped, pulvinate, or sometimes columnar, bell-shaped, conic, or hourglass-shaped.

• 花盘[很少无]在雄蕊群内，分泌蜜汁，扁平，环状，杯形，枕状，或者有时柱形，铃形，圆锥形，或者沙漏形。