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In contrast to woody habit with secondary growth, truthful herbaceous habit lacking secondary growth is restricted to angiosperms among seed plants. Although angiosperms might have occurred as early as in the Triassic and herbaceous habit theoretically may have been well adopted by pioneer angiosperms, pre‐Cretaceous herbs are missing hitherto, leaving the origin of herbs and evolution of herbaceous...
•Modern tropical rainforests have the highest biodiversity of terrestrial biomes and are restricted to three low‐latitude areas. However, the actual timeframe during which tropical rainforests began to appear on a global scale has been intensely disputed. Here, we used the moonseed family (Menispermaceae), an important physiognomic and structural component of tropical rainforests on a worldwide basis,...
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