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FOC | Family List | FOC Vol. 10 | Fabaceae | Acacia

4. Acacia decurrens Willdenow, Sp. Pl. 4: 1072. 1806.

线叶金合欢 xian ye jin he huan

Racosperma decurrens (Willdenow) Pedley.

Trees, unarmed, 7-15 m tall. Branchlets glabrous, conspic­uously angulate. Leaf glands on rachis between leaflets; pinnae (3-)7-15 pairs; leaflets widely spaced, 15-45 pairs, linear, 5-10 × 0.3-0.8 mm, main vein close to upper margin. Heads 6-8 mm in diam., arranged in racemes or panicles. Flowers yellow. Calyx shortly ciliate. Petals with conspicuous midvein. Stamens exserted. Legume oblong, flat, 2-10.5 cm × 4-8.5 mm, almost leathery, constricted between seeds. Seeds ovoid. Fl. Jan-Apr, fr. May-Aug. 2n = 26*.

Cultivated in Guangdong, Guangxi, Yunnan, Zhejiang [native to Australia].

This plant is grown for its tannins.


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