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The carpel is homologous with the megasporophylls of certain spore-bearing vascular plants (pteridophytes) and the ovuliferous scales of gymnosperms.

和能产生孢子维管植物(羊齿类)还有具胚珠裸子植物孢子叶是同源

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Areography of the gymnosperms of China (1): Distribution of the Pinaceae of China.

中国裸子植物研究(1)——松科植物.

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Bract scale The structure found in large numbers in the female cone of gymnosperms, each bearing an ovuliferous scale in its axil.

裸子植物雌球果中量存在结构,每个苞鳞都包含一个珠鳞。

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PBS Eons | fauna&flora

The sweet pollen drops of some modern gymnosperms still attract pollinating flies and moths.

现代裸子甜花滴 仍然吸引授苍蝇和飞蛾。

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PBS地球-动物趣闻

These specialized structures of early gymnosperms weren't big cones like you'd see on a pine tree today.

早期裸子殊结构并不像你今天在松树上看到那样大。

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PBS地球-动物趣闻

The lacewing fossilized with pollen on its mouthparts shows how pollination began between ancient groups of insects and gymnosperm plants.

口器上带有花草蛉化石表明,古代昆虫群体和裸子之间是如何开始

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PBS地球-动物趣闻

Analysis of the pollen showed that it was mostly from a mix of gymnosperm plants, including cycads and ginkgos.

对花分析表明, 它主要来自裸子混合物,包括苏铁和银杏。

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PBS地球-动物趣闻

They're the most diverse group of land plants, with around 300,000 known species, while today's gymnosperms number around 1000 species.

它们是最多样化物群,已知约有 300,000 种, 而今天裸子约有 1000 种。

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PBS地球-动物趣闻

It was actually something between  a fern and a group of woody plants that exists today called gymnosperms, which includes conifers and gingkos.

它实际上介于蕨类物和今天存在称为裸子一组木本物之间,其中包括针叶树和银杏。

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PBS地球-动物趣闻

So, beetles may have been the insects that were best able to shift from their relationships with gymnosperms to the new resources offered up by angiosperms.

因此,甲虫可能是最能从与裸子关系转向被子物提供新资源昆虫。

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PBS地球-动物趣闻

The stage for insect pollination was set possibly as far back as the Permian Period, when insects are thought to have started feeding on gymnosperm plant fluids.

昆虫授阶段可能最早可追溯到二叠纪时期,当时人们认为昆虫已经开始以裸子液体为食。

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PBS地球-动物趣闻

The relationships that took root between insects and gymnosperm plants transformed pollination the first time - and some of those relationships have continued to this day, while others ended in extinction.

昆虫和裸子之间扎根关系第一次改变了授——其中一关系一直持续到今天,而另一则以灭绝告终。

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PBS地球-动物趣闻

And one of these flies found in Spanish amber dating to 105 million years ago actually had a clump of pollen grains in the hairs on its back -- from an extinct gymnosperm plant.

在 1.05 亿年前西班牙琥珀中发现其中一只苍蝇实际上在其背部毛发中有一团花粒——来自一种已灭绝裸子

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PBS地球-动物趣闻

But, ultimately, many of the specialized gymnosperm pollinators would go extinct, including the ancient lacewings around 100 million years ago, and that group of true flies and certain groups of scorpionflies about 94 million years ago.

但是,最终,许多专门裸子者将会灭绝,包括大约 1 亿年前古老草蛉,以及大约 9400 万年前那群真蝇和某蝎子群。

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