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Its overall shape resembles an inverted basin, hence the name. The skin color is greenish. After peeling off the skin, the inner fine seeds are dark red. Harvested in May. (Li Dangzhi) Only those ripening in May... (The fruit) resembles an inverted basin and has a sweet taste; these are Fupenzi (Rubus chingii). The rest are unsuitable for medicinal use. (Chen Cangqi) Pengli (Rubus hirsutus) and Fupenzi have similar functions. Although they are two different plants, they essentially belong to the same category. Pengli fruits ripen in August and September, while Fupenzi ripens in April and May. Both are dark red in color, thus capable of tonifying the Kidney. (Li Shizhen) There are five types in this category. Pengli vines proliferate, stems have backward-pointing thorns, leaves grow node by node, palmately large, resembling small hibiscus, green on the front and white on the back, dense and hairy. Small white flowers bloom in June and July, bearing clustered fruits that are green when raw and purplish-dark when ripe, with slight black hairs, resembling ripe mulberries but flatter. The seedlings and leaves do not wither in winter. Because it ripens in late autumn, it is commonly known as Gedianbao. Fupenzi vines are smaller than Pengli, also having hooked thorns, with five leaflets per branch. Leaves are small, green on both sides, smooth, thin, and hairless. White flowers bloom, fruits mature in April and May. Seeds are smaller and sparser than Pengli, turning from green to dark red when ripe. Seedlings and leaves wither in winter. Because it ripens in midsummer, it is falsely named Chatianbao, which corresponds to "Yinquepen" mentioned in the Erya. Both can be used medicinally. Another type has vines like Fupenzi, three leaflets per branch, namely Fragaria (Strawberry), fruits resembling Fupenzi, blooming yellow flowers. (Li Shizhen) Taste is sweet and slightly sour. Long-term consumption can increase strength. Women consuming it can benefit the Kidney, augment essence, reduce urination, stop seminal emission/turbid urine, treat Crane-knee Wind (Gonarthrosis), various Kidney deficiency symptoms, and tonify the Kidney. (Ma Zhi) Combined with Huangbai (Phellodendri Cortex) to form Zanyu Wan or Yanzong Wan, treating male scanty semen, impotence, inability to erect during intercourse, or cold semen.

[Discussion] Fupenzi and Pengli, the two fruits are similar. However, Pengli ripens in late autumn and does not wither in winter; Fupenzi ripens in midsummer and withers in winter. Their endowment of Yin and Yang qi differs, leading to distinct effects. Furthermore, regarding generating Yin and supplementing deficiency, who is suitable? And precautions at the beginning of use, refer to Miao Xiyong's views. Those with excessive Yang causing persistent erection should avoid taking it.

[Differentiation and Treatment] Select fruits that are round on top and flat on the bottom, resembling an inverted basin. Remove the skin and core. Use fine, dark red seeds with a sweet taste. Wash with water, dry in the sun, mix with wine, and steam.