These fossils give us our only tangible hints of what early flowers looked ... both herbaceous and woody plants.) Unlike trees, which require years to mature and bear seed, herbaceous angiosperms ...
When it blooms, the umbrella-shaped clusters of 10 to 35 small flowers can be white or red, depending on the plant's age. Later in the blooming season, the plant bears a three-lobed fruit that houses ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果