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十七.稠李(Prunus Padus L.)蔷薇科、李属植物。别名:臭李子(见本期封底彩照)。形态特征:落叶小乔木,少有灌木,高3～7米,高的可达10余米。树皮灰褐色或黑褐色;单叶互生,叶椭圆形或倒卵形,长4～10厘米,宽2.5～5.5厘米,上面深绿色,下面淡绿色;托叶条状披针形。总状花序,多花,下垂。花径1～1.8厘米;萼筒杯状;花瓣白色,倒卵圆形;核果近球形,直径0.6～0.8厘米,黑色。每果中有一粒种子,每克种子15粒左右。百粒果重50～55克。
Seventeen thick plum (Prunus Padus L.) Rosaceae, Prunus. Alias: stinky plum (see the back cover of this issue). Morphological characteristics: small deciduous trees, few shrubs, 3 to 7 meters high, up to 10 meters high. Bark gray brown or dark brown; single leaf alternate, leaf oval or obovate, 4 to 10 cm long, 2.5 to 5.5 cm wide, dark green above, below light green; stipules strip-lanceolate. Racemes, more flowers, drooping. Flower diameter 1 ~ 1.8 cm; calyx tube cup; petals white, obovate; drupe nearly spherical, diameter 0.6 ~ 0.8 cm, black. There is a seed in each fruit, about 15 grains per gram. 100 fruit weight 50 to 55 grams.