| 词条 | 瓣蕊花科 |
| 释义 | § 生物基本信息 瓣蕊花科[1] (HIMAMTANDRACEAE Diels 1917 nom. conserv.)，大型、芳香的乔木，薄壁组织具球形油细胞，植物体含瓣蕊花碱(himandrin)和同类的生物碱（为一类特殊的吡啶类生物碱），但不含异喹啉类生物碱；一些细胞含草酸钙的单晶或簇晶；茎薄壁组织中分散有石细胞，在叶中也多少有分布；茎节具三叶隙；髓多少有良好发育的厚壁组织横隔；导管分子伸长，具单穿孔，或一部分在幼茎中具梯纹穿孔板；无穿孔的输水分子具具缘纹孔，不同的作者认为是管胞或纤维管胞；木薄壁组织为离管型，含晶体，并组成同心的带状；木射线细胞异形，或在晚材中近同形，大多数为(1)2－3(4)列；次生韧皮部在切向上分层，纤维层和非纤维层交替排列，并具楔状射线。叶互生，单叶，全缘，具透明腺点，羽状脉，下表面（及幼枝）覆盖有特征性的盾状毛；气孔为平列型，数个排成一环，每环各为一枚盾状毛遮掩；叶柄具环状排列的离生维管束；托叶缺。花相当大，单生（稀2－3）于侧枝上，两性，下位；萼片2，早落，帽状，一枚包住另一枚，外侧的一枚被认为是由2枚合生萼片演化而来，内侧的一枚则被认为是由4枚合生花瓣演化而来，或有时两者均被看作是苞片（如Endress）；花冠由数枚（约7－9）螺旋状排列的披针状线形花瓣组成，这些花瓣毫无疑问是退化雄蕊起源的，如果把内侧的帽状萼片看成变态的花冠的话，那么这些花瓣就可解释为是退化雄蕊；雄蕊多数（约25－30），螺旋状排列，外观极似花瓣，不分化为花丝和花药。4个小孢子囊相当短，多少嵌生于片状雄蕊中部以下的远轴一边，在中脉和边脉间两两成对，每一对沿单独一缝开裂；数枚（约8－10）螺旋状排列的退化雄蕊生于正常雄蕊和雌蕊间；花粉粒近球形，具单沟（即远极沟），具多少坚实、均质的外壁；雌蕊约(6)7-10或多数（多至约28），螺旋状排列，心皮闭合，明显分化为子房和具下延柱头的短花柱，花期各心皮在基部微合生，果期则较充分地以边缘合生；每室具单1（稀为2）胚珠，悬垂，片状边缘胎座，倒生。果实球形，虫瘿状，肉质，因心皮的愈合而为多室；种子具小形、双子叶的胚和丰富、富含油脂、非嚼烂状的胚乳。2n=24。 § 种族信息 瓣蕊花科仅含瓣蕊花属Galbulimina (Himantandra)一属，分布限于新几内亚、马鲁古(Molucca)群岛和澳大利亚东北部。一种观点认为这三个地区各有一特有种，另一种观点则认为只有一种，即瓣蕊花G. belgraveana (F. Muell.) Sprague。 瓣蕊花科一般认为和木兰科、单心木兰科和番荔枝科有联系。因此，即使在定义较狭的木兰目中，它们也仍被保留。不过，本科每心皮通常只具单1胚珠，这一特征在木兰目中比较特殊，而与樟目(Laurales)相似。和木兰目中其他各科一样，本科也代表了一个孤立进化死支，和其他各科均无密切联系。 § Beats by dr.dre § tory burch shoes sale § tory burch handbags § dr dre headphones § tory burch shoes § tory burch handbags § cheap beats by dre § coach wristlets § coach diaper bags § tory burch reva Nike Air Max shoes are designed for specific purposes and for certain movements. If you have tried on a pair of Nike shoes for yourself, you will immediately learn that the shoes your feet feel more comfortable when moving than to allow other shoes Nike Air Max outlet. Why is this so? That's because Nike prior art are used (ie, with a special software) to help design the shoes. Nike Air Zoom Kobe to Nike, it is very popular that Nike basketball shoes is the best in the NBA, the players all that worn. Also the first pair of Nike Air shoes is not very prefect, Jordan still choose this for their comfortable sole Air Max Ltd, the jump can increase capacity and accelerate quickly. Also, the air cushions that Nike use to achieve the classic camera in NBA history.Each year, the leader of the Boston Celtics, Rajon Rondo gets his sneakers exclusive players Nike Air Max 91. He was once given a Hyperfuse Nike Zoom, both high and low peaks. Of course, the shoes are the colors of the team Rondo - a statement that is clearly proud . After each Playoffs, pump up the enthusiasm Nike Rondo in court so here's the EP that should be exhibited by him on his next appearance - the Nike Air Max 360 BB Low. With the same colors of the Boston Celtics green, black and white, this current Rondo PE shows up to a certain charismatic appeal Nike Air Max 95. Note that the base section including a lace collar and wear Celtics green leather while the rest is occupied by the black and white Swoosh, Flywire Wireless, Rondo jersey number on the tongue, Nike corporate the heel, and Air Max 360 sole Nike Air Max 96. However, the midsole displays a full-length Air Max unit that illuminates the dark green. As Nike 360, it is Rondo |
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