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一、木田菁的生态学特征简述木田菁又名”大花田菁”,学名是“Sesbania grandiflora(L.)Pers是一种豆科乔木,速生快长,一年内可长到4—6米.羽状复叶,长20—40厘米;叶柄长15—30厘米,无毛;小叶10—60片,长椭园形,长2—25毫米,宽8—10毫米,先端钝,有小突尖,基部近国形或宽楔形,两面无毛;小托叶极小,有绒毛.花大,长7—10厘米,花芽镰刀弯曲,2—4朵排成长约4—7厘米的总状花序;花萼绿色、钟状,先端呈浅二唇形,花冠白色,或粉红色,有时玫瑰红色;荚果条形,长20—60厘米,直径7—8毫米,下垂、开裂,种子多粒.树胶含阿拉伯胶及单宁.树皮入药为收敛剂;内皮为良好的纤维;叶、花和嫩荚可食;木材可烧炭,还可以做火药的原料.
First, a brief description of the ecological characteristics of the wood Tian Jing Mu Tian Jing, also known as “big flower Tian Jing,” scientific name is "Sesbania grandiflora (L.) Pers is a legume trees, fast growing fast, grow to 4-6 meters a year Leaves pinnately 15-30 cm, glabrous; leaflets 10-60, long elliptic, 2-25 mm long, 8-10 mm wide, apex obtuse, small Sharp tip, base nearly or broadly cuneate, both surfaces glabrous; petitgrain very small, fluffy. Flowers large, 7-10 cm long, flower bud sickle curved, 2-4 rows grow about 4-7 cm total Corolla green, campanulate, apex shallowly 2-lanceolate, corolla white, or pink, sometimes rose-red; pod stripe, 20-60 cm long, 7-8 mm in diam., Drooping, dehiscent, Gum contains acacia and tannin, the bark is used as an astringent, the endothelium is good fiber, the leaves, flowers and soft pods are edible, the wood can be charcoal, and gunpowder can also be used as raw material.