| Flowering plants
The flowering plants (angiosperms), also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies (derived characteristics). These characteristics include flowers, endosperm within the seeds, and the production of fruits that contain the seeds.
The ancestors of flowering plants diverged from gymnosperms around 245–202 million years ago, and the first flowering plants known to exist are from 140 million years ago. They diversified enormously during the Lower Cretaceous and became widespread around 100 million years ago, but replaced conifers as the dominant trees only around 60–100 million years ago.
Source: http://en.wikipedia.org/wiki/Flowering_plant
Zelkova zelkovaefolia | Bůžek (1971), text. fig. 5d | | | ČB208 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 22, fig. 4 | | | ČB186 | Zelkova zelkovaefolia | Bůžek (1971), text. fig. 5c | | | ČB200 | Zelkova zelkovaefolia | AD Bůžek (1971) | | | ČB193 | Zelkova zelkovaefolia | AD Bůžek (1971) | | | ČB195 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 22, fig. 9 | | | ČB199 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 22, fig. 13 | | | ČB203 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 22, fig. 7, Pl. 15, fig. 8 | | | ČB204 | Zelkova zelkovaefolia | AD Bůžek (1971) | | | ČB209 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 22, fig. 6 | | | ČB188 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 21, fig. 9 | | | ČB190 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 22, fig. 10 | | | ČB196 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 22, fig. 5 | | | ČB212 | Zelkova zelkovaefolia | | | | MP90 | Zelkova zelkovaefolia | Kvaček a Walther (2004), text. fig. 10. 3 | | | MP61 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 22, fig. 3 | | | ČB352 | Zelkova zelkovaefolia | Kvaček, Teodoridis, Zajícová (2015) Pl. 11, fig. 5 | | | EK288 | Zelkova zelkovaefolia | | | | MP88 | Zelkova zelkovaefolia | Bůžek (1971), Pl. 22, fig. 12 | | | ČB191 | Zizyphus tiliaefolius | | | | p2456 |
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