光皮木瓜优良品系
大乔木，高 5 -10m , 树皮粉白、光滑，小枝无刺，叶片卵形或长椭圆形，长 5 -8cm ，宽 3.5 -5.5cm ，花单生于叶腋，先叶开放或同时开放，果实长椭圆形或圆形，长 10 -15cm ，单果质量 300 -1200g ，暗黄色，木质，味异香，酸而可食，果柄短，果皮干后不皱缩。故有光皮木瓜之称。花期 4 月，果实 10 月成熟，叶片革质，夏季墨绿光亮，深秋渐变桔黄、桔红色，树姿优美，枝干苍劲，是园林绿化珍品。
经过多年调查，共收集光皮木瓜种质 22 份，选育 6 个优良品系。
C.SINENSIS (THOUIN) KOEHNE
Big arbors, the height to 5 -10m , light pink bark is smooth, sprigs without thorns, oval or long oval-shaped leaves, 5 -8cm length, 3.5 -5.5cm width, single flowers are born in axil, and bloom before leaves or at the same time with leaves. Oblong or circular fruit has 10 -15cm length, the weight of the single fruit is 300 -1200g , dark yellow, woody, with unique fragrance, acid and edible, short fruit stalk, after dry the fruit will not wrinkled, therefore, known as C. sinensis (Thouin) Koehne. Flowering in April, ripe fruit in October, coriaceous leaves, dark green in summer change into orange or orange-red in late autumn, beautiful morphology, vigorous branches, it is the gardening treasure.
After many years of investigation, we have collected 22 germplasms of C. sinensis (Thouin) Koehne, selected and breeding 6 improved strains.
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