Chiefly lithophytic or epiphytic fern of North America and east Asia.

分布在北美和西亞的主要為石生或附生的蕨類植物国产精品美女。

Epiphytic fern found in lowland forests of tropical America.

美洲熱帶地區(qū)低地森林的一種附生蕨類人人艹五月天。

Epiphytic fern with large fronds; Taiwan and Philippines.

有大葉子的附生蕨類植物一级片网站在线；分布在臺(tái)灣和菲律賓国产精品亚欧美一区二区。

Archangiopteris somai is an endemic eusporangiate fern in Taiwan.

臺(tái)灣原始觀音座蓮是一臺(tái)灣產(chǎn)特有的厚囊蕨類亚洲性爱激情小说。

The shoot of the fern has a curled-over tip which unfurls and becomes a fernleaf.

此符展示了慢慢舒展葉子的樹蕨葉子頂端的樣子国产三级国产精品专区。

The structure of spore wall of more than 10 species of the fern Filicales and the structure and development of sporoderm of 7 representative species of Filicales were studied contrastively by Light microscope, scanning electron microscope and transmission electron microscope.

主要采用光鏡、掃描電鏡和透射電鏡對(duì)照的方法在线免费观看黄网站。，對(duì)我國(guó)產(chǎn)真蕨目10多種真蕨孢子主要類型的壁層結(jié)構(gòu)進(jìn)行了觀察91涩涩社区，并對(duì)7種典型類型的代表種進(jìn)行了孢壁結(jié)構(gòu)和發(fā)育的研究国产精品免费专区。

In present project, we described the basic characteristics of the sporoderm about the primative and advanced fern of Filicales and elucidated the origin of diferent layers of sporoderm, formation stage of sporoderm and the formation and stability of the ornamentation of sporoderm.

描述了真蕨目中原始類群和進(jìn)化類群孢壁結(jié)構(gòu)的基本特征；闡明了孢壁的來(lái)源亚洲无码黄色视频无码、形成時(shí)期国产女人人人操、紋飾的形成和穩(wěn)定性等重要的孢粉學(xué)問(wèn)題。

Any flowerless plant such as a fern or moss in which growth occurs only at the tip of the main stem.

僅生長(zhǎng)在主莖末端的蕨類或苔蘚類的任何無(wú)花植物一级日本牲交大片视频播放。

Some of these spores in the sporangium After the mitotic generated, such as clothes swimming algae spores, Rhizopus spores of the cyst, chlorella-like pro-spores, etc.; some spores in the sporangia produced in the future through meiosis, such as Ulva lactuca , kelp, to money, gourd moss, fern and so on.

其中有的孢子是在孢子囊中經(jīng)過(guò)有絲分裂所產(chǎn)生的99久久熟女专区，如衣藻的游動(dòng)孢子、根霉的孢囊孢子国产在线视频91、小球藻的似親孢子等日韩精品毛片中文字幕免费看；有的孢子是在孢子囊中經(jīng)過(guò)減數(shù)分裂以后產(chǎn)生的，如石莼亚洲激情在线小说图片、海帶日韩在线成人网站观看、地錢、葫蘆蘚国家一级黄色网址、蕨等东北老妓女叫床脏话对白视频。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或濕地的蕨類；從新生代生存至今乱色伦影片视频；有時(shí)歸于石松目之中直接观看黄网站免费裸体赌场网站。