Hutchinsia (Hornungia petraea)
Description
A winter-annual of very open habitats on calcareous soils and rocks which are subject to summer drought, especially on rocky slopes on Carboniferous limestone and on fixed but open sand dunes. It also occurs as an alien on garden walls and in chalk-pits.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Brassicales
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Family: Brassicaceae
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Genus: Hornungia
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