Phellodendron bark (Oubark) - Oubaku

…A deciduous tree of the Rutaceae family with bright yellow inner bark, which can reach a height of 20 m. The bark is gray or gray-brown and deeply lobed, with a marked cork development. The leaves are opposite, odd-pinnate, compound, 20-30 cm long. The leaflets are ovate or ovate-oblong, pointed at both ends, with small serrated edges and hairy margins, and soft hairs at the base of the midrib on the underside. They are fragrant when crushed. Dioecious. In early summer, a terminal panicle 6-8 cm long is produced, with many small flowers. The flowers are pentamerous. The fruit is a globular, berry-like drupe about 1 cm in diameter, which ripens black and contains 5 kernels and 5 seeds. …

*Some of the terminology that refers to "Oubaku (Yellow Bark/Huangcong)" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…樹皮の内皮が鮮黄色を呈するミカン科の落葉高木で，高さ20mに達する。樹皮は灰色または灰褐色で深裂し，コルク質の発達が著しい。葉は対生し，奇数羽状複葉で長さ20～30cm。小葉は卵形ないし卵状長楕円形，両端はとがり，縁には小さい鋸歯と縁毛があり，裏面中肋基部に柔毛があり，もめば芳香がある。雌雄異株。初夏に頂生の長さ6～8cmの円錐花序を出し，小さい花を多数つける。花は5数性。果実は球形で直径約1cmの液果状核果，黒く熟し，なかに5核，5種子を含む。…

※「オウバク（黄柏∥黄蘗）」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報