Aibizia Julibrissin合歡樹

July

說起合歡樹，你是不是也想起了史鐵生的同名文章？你是不是對合歡樹葉如含羞草般的外表感到驚奇？閱讀下文，一起來了解更多合歡樹的知識吧！

Albizia julibrissin， the Persian silk tree or pink silk tree， is a species of tree in thefamily Fabaceae， native to southwestern and eastern Asia. The Italian 1）noblemanFilippo degli Albizzi， introduced it to Europe in the mid-18th century. Albizia julibrissin isa deciduous tree with an open， flat-topped， spreading crown; it can grow 6-16 metrestall.

The tree is harvested from the wild， mainly for local 2）medicinal use and as asource food and wood. It is grown as a shade tree and soil conditioner， and is oftengrown as an ornamental tree because of its appealing fragrance， showy flowers andlow 3）maintenance requirement.

Mimosa is a tree of mainly temperate to subtropical regions， entering the tropic athigher elevations. Mature plants can prove to be hardy to about -20℃ in continentalregions， but in moister， 4）maritime areas are only hardy to about -10℃.

Young leaves can be cooked. It has an aromatic flavour. It is used as a potherb.Flowers can also be cooked and eaten as a vegetable. The dried leaves are a teasubstitute.

The flower heads are sedative and tonic. They are used internally in the treatmentof insomnia， irritability， breathlessness and poor memory. The flowers are harvestedas they open and are dried for later use. The stembark is anodyne， anthelmintic. It is used internally inthe treatment of insomnia， irritability. Externally， the stem bark is applied to injuries andswellings. A gummy extract obtained from the plant is used as a plaster for abscesses，boils etc and also as a retentive in fractures and sprains.

1） nobleman ['naublman] n.貴族

2）medicinal [ma'disinl] adj.醫(yī)學(xué)的;藥用的

3） maintenance ['meintanans]n.維修

4）maritine ['maeritaim] adj.海洋的

合歡樹，也叫波斯合歡樹或粉紅色的絲綢樹，是豆科家族中的一種，起源于亞洲西南部和東部地區(qū)。意大利貴族菲利普·阿布魯在18世紀(jì)中葉將合歡樹傳入歐洲。合歡樹是落葉樹，帶有開放的、平頂?shù)摹⑸⒉嫉臉涔?。樹長可達(dá)6至16米。

合歡樹是從野外采伐的，主要供當(dāng)?shù)厮幱?，并用作食物和木材。它被用作遮蔭樹和土壤改良劑，由于其誘人的香氣、艷麗的花朵和較低的維護(hù)要求而經(jīng)常被用作觀賞樹。

合歡樹是主要生長在溫帶至亞熱帶地區(qū)，在熱帶地區(qū)的高海拔地帶也可見。成熟的合歡樹在大陸地區(qū)其耐寒性約為-20℃，而在潮濕地區(qū)、海洋地區(qū)則僅可耐受約-10℃。

合歡樹幼葉可煮熟吃，用作野菜，有著芳香的味道?；芍笫?，作為蔬菜食用。干樹葉是茶葉的替代品。

合歡樹花冠可用作補(bǔ)品，內(nèi)服可用于治療失眠、煩躁、呼吸困難和記憶力減退?；ɡ僭诤艜r(shí)被采摘，并曬干以備用。合歡樹的莖皮是止痛藥、驅(qū)蟲藥等。內(nèi)服可用于治療失眠、易怒等，外用可用于傷口和腫脹。從植物中獲得的樹膠狀提取物可用作膿腫、燙傷等的膏藥，也可作為骨折和扭傷的止血劑。