File:Impatiens walleriana 'accent white' 1 (49081513202).jpg

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Impatiens walleriana Hooker in Oliver, 1868 - "accent white" impatiens (Dawes Arboretum collection, Heath, Ohio, USA)

Plants are multicellular, photosynthetic eucaryotes. The oldest known land plant body fossils are Silurian in age. Fossil root traces of land plants are known back in the Ordovician. The Devonian was the key time interval during which land plants flourished and Earth experienced its first “greening” of the land. The earliest land plants were small and simple and probably remained close to bodies of water. By the Late Devonian, land plants had evolved large, tree-sized bodies and the first-ever forests appeared.

The most conspicuous group of living plants is the angiosperms, the flowering plants. They first unambiguously appeared in the fossil record during the Cretaceous. They quickly dominated Earth's terrestrial ecosystems, and have dominated ever since. This domination was due to the evolutionary success of flowers, which are structures that greatly aid angiosperm reproduction.

Seen here is a cultivar of impatiens known as "accent white". Impatiens walleriana is native to eastern Africa. It has been extensively cultivated as an ornamental plant. Numerous varieties in many colors now exist.

Classification: Plantae, Angiospermophyta, Ericales, Balsaminaceae


See info. at:

<a href="https://en.wikipedia.org/wiki/Impatiens_walleriana" rel="noreferrer nofollow">en.wikipedia.org/wiki/Impatiens_walleriana</a>
Date
Source Impatiens walleriana 'accent white' 1
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/49081513202 (archive). It was reviewed on 19 November 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

19 November 2019

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current01:26, 19 November 2019Thumbnail for version as of 01:26, 19 November 20192,741 × 2,000 (4.85 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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