Robust Oak (Quercus robusta)
Description
Quercus robusta (also called robust oak) is a rare North American species of trees in the beech vamily. It has been found only in the Chisos Mountains inside Big Bend National Park in western Texas. Quercus robusta is a deciduous tree up to 13 meters (43 feet) tall. Bark is black or brown, twigs dark reddish brown. Leaves are up to 12 cm (4.8 inches) long, with a few teeth or small lobes along the edges. The tree grows in moist, wooded canyons.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Fagales
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Family: Fagaceae
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Genus: Quercus
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