芸香科Rutaceae金橘属Fortunella植物,灌木,高通常不超过1 m,枝干上的刺长1~3 cm,花枝上的刺长不及5 mm。单叶,叶片椭圆形,稀倒卵状椭圆形,通常长2~4 cm,宽1~1.5 cm,较小的长不及1 cm,宽约4 mm,顶端圆或钝,稀短尖,基部短尖,全缘,中脉在叶面稍隆起;叶柄长1~3(~5)mm。单花腋生,常位于叶柄与刺之间;花萼杯状,裂片三角形,5~4(~3)裂,淡绿色;花瓣白色,长3~4(~5)mm,卵形,顶端尖,扩展;雄蕊为花瓣数的2~3倍,花丝合生呈筒状,少数 Rutaceae Rutaceae Kumquat Fortunella plants, shrubs, usually not more than 1 m tall, thorn length 1 to 3 cm on branchlets, less than 5 mm thorn on flowering branches. Leaves simple, leaf blade elliptic, thinly ovate elliptic, usually 2 to 4 cm long, 1 to 1.5 cm wide, less than 1 cm long and 4 mm wide, apex rounded or obtuse, sparsely pointed, base Short, entire, midrib slightly raised on leaf surface; petiole 1 ~ 3 (~ 5) mm. Calyx cup-shaped, lobes triangular, 5--4 (~ 3) cleft, pale green; petals white, 3 to 4 (~ 5) mm long, ovate, apically spiked, Expansion; stamens 2 to 3 times the number of petals, filamentous connate tube, a few