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常绿灌木,高1～6 m,小枝无毛;叶革质,宽卵状椭圆形,长9～16 cm,先端渐尖,基部楔形,稍下延;叶背无白粉,淡绿色,无毛;叶柄长0.7～1.2 cm。花被片25～27枚,淡黄色,背面被短毛,外花被卵状椭圆形,中层花被条形,长1～1.7 cm,内花被片窄皮针形,长0.6～1 cm。雄蕊6～8枚,不育雄蕊4~16枚。果托钟形,外壁具显著突起的粗网纹。花期10～12月,果期第二年6月。
Evergreen shrubs, 1 ~ 6 m tall, branchlets glabrous; leaf blade leathery, broadly ovate-elliptic, 9-16 cm long, apex acuminate, base cuneate, slightly defermented; leaf blade free of white powder, pale green, glabrous; Petiole length 0.7 ~ 1.2 cm. Perianth pieces 25 to 27, pale yellow, short hair on the back, the outer flower is oval-shaped, the middle of the strip is stripe, long 1 ~ 1.7 cm, the inner perianth piece narrow needle-shaped, length 0.6 ~ 1 cm . 6-8 stamens, 4-16 sterile stamens. Fruit care bell-shaped, the outer wall with prominent prominence of coarse textured. Flowering from October to December, the fruit of the second year in June.