推荐回答(5个)
兰花花瓣为椭圆形梭形,兰花由花梗、花托、花萼、花冠、雌蕊群和雄蕊群等几部分组成。兰花是一种奇特的花,它的奇特之处就在于它的花结构与众不同。
兰花结构的奇特是为了适应昆虫传粉,且具蕊柱、蕊喙、花粉团和唇瓣等,加之,兰花为两侧对称的花、唇瓣基部形成具有蜜腺的囊和距、雄蕊数目减少、子房下位、花形状、大小和颜色多样。
唇瓣3裂,基部有时与蕊柱合生达3-6毫米;侧裂片直立,常多少围抱蕊柱,中裂片一般外弯;唇盘上有2条纵褶片,通常从基部延伸到中裂片基部,有时末端膨大或中部断开,较少合而为一。
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扩展资料:
兰花是一种风格独异的花卉,它的观赏价值很高。兰花的花色淡雅,其中以嫩绿、黄绿的居多,但尤以素心者为名贵。兰花的香气,清而不浊,一盆在室,芳香四溢。
兰花的花姿有的端庄隽秀,有的雍容华贵,富于变化。兰花的叶终年鲜绿,刚柔兼备,姿态优美,即使不是花期,也像是一件活的艺术品。
自古以来中国人民爱兰、养兰、咏兰、画兰,古人曾有“观叶胜观花”的赞叹。人们更欣赏兰花以草木为伍,不与群芳争艳,不畏霜雪欺凌,坚忍不拔的刚毅气质。
兰花花瓣瓣形即花瓣的形状:兰花一般有梅瓣、荷瓣、水仙瓣、素心瓣、奇瓣等五大瓣形。
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1.梅瓣:花萼短圆,形似梅花的花瓣,棒瓣起兜,唇瓣舒直,硬而不后卷。以宋梅为最典型的代表种,常见的约有50余种。
2.荷瓣:花萼肥厚而宽阔,形似荷花瓣,棒瓣不起兜,形似半开的两片蚌壳,唇瓣比其他瓣形阔大。按其花形大小,可分为小、中、大三型。以郑同荷和盖荷为代表种。
3.水仙瓣:花萼比梅瓣狭长,瓣端长尖,棒瓣有微兜,唇瓣下垂且多后卷。汪字、方字等近20种为代表种。水仙瓣又分为梅形水仙瓣和荷形水仙瓣。梅形水仙瓣,花萼略似梅瓣,但瓣较长。西子、蔡梅水仙属此列;荷形水仙瓣,花薯阔大似荷瓣。以龙字为典型代表种。
4.素心瓣:唇瓣上不具异色点、块、斑纹者为素心瓣。依唇瓣苔色可分为绿胎素、白胎素、黄胎素、桃腮素、刺毛素,以绿胎素为珍品。素心瓣以萼片和花瓣的形状来分,可分为草素、竹瓣、荷形、梅形四类。 草素:花萼和花瓣的瓣端开列如鸡爪。仅因其唇瓣色素而把它列入此类。 竹瓣:花萼质薄,形如竹叶,花瓣较狭窄。 荷形:花萼颇似荷瓣,花瓣肥厚秀雅。 梅形:花萼犹如梅瓣。
5.奇瓣:副瓣和花瓣的下缘近似唇瓣状,表面泡状隆起密集似蟾蜍皮。另外花萼增多或减少,唇瓣增多等均属奇瓣。主要有三类:蝴蝶类,副瓣和棒瓣的下方和内侧均有唇瓣现象,状如蝴蝶。有全蝴、半蝴、草蝴、棒唇形四种。多瓣形,花萼数增多或重叠者为多瓣形。多唇形:凡花冠中唇瓣数量增多者为多唇形。
很像蝴蝶的 多年生草本植物。根肉质肥大,无根毛,有共生菌。具有假鳞茎,俗称芦头,外包有叶鞘,常多个假鳞茎连在一起,成排同时存在。叶线形或剑形,革质,直立或下垂,花单生或成总状花序,花梗上着生多数苞片。花两性,具芳香。花冠由3枚萼片与3枚花瓣及蕊柱组成。萼片中间1枚称主瓣。下2枚为副瓣,副瓣伸展情况称户。上2枚花瓣直立,肉质较厚,先端向内卷曲,俗称捧。下面1枚为唇瓣,较大,俗称兰荪。成熟后为褐色,种子细小呈粉末粉。 春兰、蕙兰按其主瓣、副瓣、捧及唇的形状、质地等的不同变化分为梅瓣、水仙瓣、荷瓣、蝴蝶瓣、奇种与素心等。梅瓣为萼片短圆,肉质较厚,稍向内曲,基部狭窄,捧瓣肉质肥厚先端内曲成兜,唇瓣短而硬,花初开时微向上,名种有宋梅、西神梅等品种。水仙瓣为萼片稍长于梅瓣,先端渐尖,捧瓣质地厚,先端也成兜,唇瓣微垂或反卷,名种有汪字、翠一品等。茶瓣为萼片宽大,质厚,基部窄,先端宽而突尖,捧瓣不成兜,唇瓣较润,微反卷,名种有大富贵、翠盖花等。蝴蝶瓣为向下的两枚萼片的内侧,质地变厚,成波状绉,并有红色块斑,有时整个萼片或花瓣数量突然增多(如绿云,花冠常在8枚左右),或花朵形状有特殊变化。素心为花被、花茎、苞片同一颜色,纯绿、黄绿等,没有杂色的斑绿、黄绿等,没有杂色的斑纹,名贵品种有张荷素、老文团素等。 兰性喜阴,忌阳光直射,喜湿润,忌干燥,喜肥沃、富含大量腐殖质、排水良好、微酸性的沙质壤土,宜空气流通的环境。
兰花花瓣N多种,因为兰花就是N多种,不过结构都是一样的,
6片花瓣,其中3枚萼片,3枚花瓣。3枚花瓣中下方居中的一个称唇瓣。
兰花的花瓣为椭圆形,它的叶子扁扁的,宽宽的,长长的,摸着软度较硬,他的根由长圆形,一堆一堆的,成墨绿色,花盆里面放一点较软较硬的泥土,下面落满了他的,老叶,可爱极了。
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