黑宝石李,果扁圆形(其他李均是椭圆形或牛心形),果面深黑色,光滑铮亮,犹如黑色的宝石一般(见彩页)。果从7月中旬着色(变黑)到8月底成熟,悬挂的时间长,具有较高的观赏价值。而且果实个大,单果重150～200克,味甜,耐贮放。更可贵的是,植株易栽好管,抗寒、抗病、抗逆性强,对土质要求不严,南北各地均可栽植。对普通爱好者来说,盆栽并不难。 Black gem Lee, Guo oblate (other Li are oval or cow heart), fruit dark black, smooth and bright, like a black gem in general (see color pages). Fruit from the mid-July coloring (darkening) to mature by the end of August, hanging a long time, with a high ornamental value. And a large fruit, fruit weight 150 ~ 200 grams, sweet, resistant to storage. More valuable is that the plant is easy to plant a good tube, cold, disease resistance, strong resistance, the strict requirements of the soil, north and south can be planted around. For ordinary fans, potted plants are not difficult.