凤凰树的特点

详细点
2025-02-18 14:49:31
推荐回答(5个)
回答1:

1、凤凰木为高大落叶乔木,无刺,高达20余米,胸径可达1米;树皮粗糙,灰褐色;树冠扁圆形,分枝多而开展;小枝常被短柔毛并有明显的皮孔。

2、凤凰木叶为二回偶数羽状复叶,长20-60厘米,具托叶;下部的托叶明显地羽状分裂,上部的成刚毛状。

3、伞房状总状花序顶生或腋生;花大而美丽,直径7-10厘米,鲜红至橙红色,具4-10厘米长的花梗;花托盘状或短陀螺状;萼片5,里面红色,边缘绿黄色。

4、凤凰木为热带树种,种植6~8年开始开花,喜高温多湿和阳光充足环境,生长适温20~30℃,不耐寒,冬季温度不低于10℃。

扩展资料:

凤凰树的主要价值:

1、观赏价值

凤凰树树冠高大,花期花红叶绿,满树如火,富丽堂皇,由于“叶如飞凰之羽,花若丹凤之冠”,故取名凤凰木。是著名的热带观赏树种。在我国南方城市的植物园和公园栽种颇盛,作为观赏树或行道树。

2、生态价值

行道绿化树在夏季具有降温增湿的小气候效应,是绿化、美化和香化环境的风景树。

3、工艺价值

树脂能溶于水,用于工艺;木材轻软,富有弹性和特殊木纹,可作小型家具和工艺原料。凤凰木的豆荚在加勒比海地区被用作敲打乐器,称为沙沙(shak-shak)或沙球。

参考资料来源:百度百科-凤凰树

回答2:

  又叫凤凰木,亦称"红楹"、"火树"。   树身有的高达二十米,树冠宽广。二回羽状复叶,羽片十至二十四对,每羽片有小叶二十至四十对,小叶片随圆形。夏季开花,总状花序,花大,红色,有光泽。荚果木质,长可达五十厘米。凤凰树原产于非洲马达加斯加岛。它的木材细密,质轻,有弹性,能耐腐,可供和家具、桩木等。   以上只是个大概,我想,百度百科比我跟清楚。   http://baike.baidu.com/view/407153.htm   凤凰木因鲜红或橙色的花朵配合鲜绿色的羽状复叶,被誉为世上最色彩鲜艳的树木之一。由于树冠横 凤凰木展而下垂,浓密阔大而招风,在热带地区担任遮荫树的角色。分布于中国南部及西南部、原产地马达加斯加及世界各热带地方。在美国凤凰木只生长在佛罗里达州、德克萨斯州南部的瑞欧格兰山谷(Rio Grande Valley)、亚利桑那州及加利福尼亚州的沙漠地区、夏威夷州、波多黎各、美属维京群岛和关岛。凤凰木亦广泛生长在加勒比海地区。   凤凰木植株高大,可达20公尺以上。性喜高温、多日的环境,必需在阳光充足处方能繁茂生长。花大呈红色,连花萼内侧都呈血红色,四瓣伸展约8公分长,第五瓣直立稍大及有黄及白的斑点,雄蕊红色,花萼腹面深红色,背面绿色。花序为总状花序,呈伞房状排列,花萼和花瓣皆5片,聚生成簇。开花后结出一条条长形豆荚果,长可达60公分,成熟后呈深褐色,木质化,内藏40-50粒细小的种子,每颗平均只有0.4克重,种皮有斑纹,有毒,不可误食。叶片是二回羽状复叶,呈羽片对生,15-30对,每羽片有小叶20-40对。小叶为长椭圆形,基部歪斜,叶缘是全缘,叶端圆钝。叶片是薄纸质,叶面平滑且薄,为青绿色,叶脉则仅中肋明显。树形为广阔伞形,冬天落叶时,多不胜数的小叶如雪花飘落。和许多豆科植物一样,凤凰木的根部也有根瘤菌。为了适应多雨的气候,树干基部长有板根出现。凤凰木适应热带气候,耐旱及可在有盐分的环境生长。   凤凰木在很多现时生长地区为视为移植品种,在澳洲更被当作侵入品种,部分原因是其阔大的树冠及浓密的树根阻碍其他品种在其下生长。在印度凤凰木被称为高莫哈树(Gulmohar)。凤凰木的豆荚在加勒比海地区被用作敲打乐器,称为沙沙(shak-shak)或沙球。

回答3:

凤凰树的身上有许多细小的叶子。春天的时候,叶子绿油油的,让人感到心旷神怡。在叶子的底下,有一些春天盛开的小花。这些花朵红通通的,娇小玲珑的花像小孩子一样,非常可爱、娇艳。这些凤凰树大约有一人抱粗,浓密的小叶子覆盖出十余平方米的树阴。树干和树枝呈现出生铁铁锭的色泽,粗实而坚硬。小叶子如此之绿,显示出凤凰树的不可思议。秋天的时候,每当秋风吹过,金灿灿的小叶子如仙女散花般落下来。

回答4:

完全倒装即把整个谓语放到主语之前   部分倒装即只把谓语的一部分(如助动词、情态动词等)放到主语前,或把句子的强调成分提前一、使用全部倒装的情况    1.在there be/lie/stand/live/seem/appear/exist/come/go/seem句型中。如:     There goes the ambulance.救护车来了。    2.表示地点、方向、时间的副词(here, out, in,up, down, back off, away, now, then等)位于句首时。谓语动词多为表示运动的不及物动词(go, come, leave, move, run, rush, ny, jump等)。如:    Here is a telegram for you.这儿有你一封电报。    Down jumpedthe man from the horse.那人从马上跳下来。    在上述情况中,主语是代词时,则不用倒装。如:        Here you are.给你。    In he came and the meeting began.他进来,会议就开始了。    3.表示地点的介词短语位于句首时。如:    Between the two buildings stands a tall pine.两座楼之间有棵大松树。       4.直接引语的部分或全部位于句首时,点明说话人的部分主谓语要倒装。如:    "Are you listening to English on the radio?" said Mother.    但,引述动词后有间接宾语或状语时,不倒装。如:   5.在某些表示祝愿的句子中。如:    Long live our great country!伟大的祖国万岁!二、使用部分倒装的情况    1.only修饰的状语(副词、介词短语或状语从句)位于句首时。如:    Only after three operations was he able to walk without sticks.做过三次手术之后,他才能不用拐杖行走。    Only with more practice can you pass the driving test.只有多练习你才能通过驾驶考试。    但only修饰主语时,则不倒装。如:    Only that girl knew how to work out the problem.只有那位女生知道怎样解那道题。    2.含有否定意义的副词(never, seldom, little, few, not, nowhere等)位于句首时。如:    Seldom in all my life have l met such a brave man.我一生很少见过这么勇敢的人。    Never did she care about her own safety, though she was in great danger herself.虽然她处于极大的危险之中,但她根本不顾自己的安全。    3.not until位于句首时。如:    Not until the early years of the 19th century did man know what heat is.直到19世纪初,人们才知道热是何物。    在复合句中,只有主句用倒装,until引导的从句不倒装。如:    Not until he loses his health will he give up drinking.他直到失去健康才会戒酒。    4.在no sooner...than..., hardly/scarccly/barely...when...结构中,前面部分位于句首时,其后的分句要部分倒装(谓语用过去完成时)。如:    Hardly had the baby seenthe dogwhen she cried.那女婴一看到狗就哭了起来。    NO sooner had the interpreter returned home than he was told to go to another country.那位翻译刚踏进国门就又受命要去他国。    5.not only...(but also)...位于句首引导两个分句时,前一个分句中的主谓要采用部分倒装

回答5:

嗯是啊后边计算机睡觉睡觉

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