刺球花[Acacia farnesiana(Linn.)Willd.],也叫金合欢,为含羞草科金合欢属植物,有刺,灌木或小乔木,高可达5米。枝条呈明显的“之”字形曲折,曲折处着生锐刺数枚;二回羽状复叶,羽片6至16对,对生,4至6厘米长。小叶20至40枚,极细,近光滑,硬革质;头状花序绒球状,呈鲜艳之黄色,极香,单或簇生于充分发育好的枝条曲折部。花梗细长,较叶为短;果荚肥厚,圆柱形,尖端尖,5至8厘米长。嫩时多汁,熟时干燥而呈灰褐色,不开裂。荚内含种子10至20粒,着生 Acacia farnesiana (Linn.) Willd., Also known as Acacia, is a mimosa acacia with thorns, shrubs or small trees up to 5 meters tall. Branches were obvious “zigzag” twists and turns at the sharp Department with a few sharp punctatus; two pinnately compound leaves, feathers 6 to 16 pairs, opposite, 4 to 6 cm long. Leaflets 20 to 40, very fine, nearly smooth, hard leathery; head-shaped pomegranate globose, bright yellow, very fragrant, single or clustered in well-developed branches and twists and turns. Pedicel slender, shorter than leaves; pods hypertrophy, cylindrical, pointed tip, 5 to 8 cm long. Juicy tender, cooked dry and was brown, not cracking. Pod contains seeds from 20 to 20, with students