welwitschia是什么意思 welwitschia怎么读
英式：[wel'wɪtʃɪə]
美式：[wel'wɪtʃɪə]
welwitschia单词基本解析：
n.千岁兰n. [植]千岁兰
welwitschia变化用词：
welwitschia英英释义：
Noun1. curious plant of arid regions of southwestern Africa having a yard-high and yard-wide trunk like a turnip with a deep taproot and two large persistent woody straplike leaves growing from the base; living relic of a flora long disappeared; some may be 70
名词 welwitschia:
curious plant of arid regions of southwestern Africa having a yard-high and yard-wide trunk like a turnip with a deep taproot and two large persistent woody straplike leaves growing from the base; living relic of a flora long disappeared; some may be 700-5000 years old
同义词：Welwitschia mirabilis
welwitschia中文词源：
welwitschia用法和例句：
welwitschia
plants having small unisexual flowers and fleshy or winged fruit: in some classifications includes the genera Ephedra and Welwitschia as well as Gnetum.
一植物科花小单性果实肉质；在一些分类中包括麻黄属植物和千岁兰属以及买麻藤属。
There are three very different orders, each with only one genus: Gnetales (Gnetum), Ephedrales (Ephedra or joint-firs), and Welwitschiales (Welwitschia).
买麻藤分为三目，三目之间的差别极大，每目只含有一个属：买麻藤目（买麻藤属），麻黄目（麻黄属），百岁兰目（百岁兰属）。
Welwitschia mirabilis
百岁叶
Most gymnosperms retain archegonia except for the most advanced genera Gnetum and Welwitschia.
除了买麻藤属和百岁兰属以外大多数裸子植物还保留有颈卵器。