Quercus gravesii Sudw.

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Article from New Trees, Ross Bayton & John Grimshaw

Recommended citation
'Quercus gravesii' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/quercus/quercus-gravesii/). Accessed 2020-10-24.


  • Quercus
  • Subgen. Quercus, Sect. Lobatae

Common Names

  • Chisos Red Oak
  • Graves Oak

Other species in genus



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Article from New Trees, Ross Bayton & John Grimshaw

Recommended citation
'Quercus gravesii' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/quercus/quercus-gravesii/). Accessed 2020-10-24.

Tree to 13–15 m, 0.9 m dbh. Bark dark greyish black to black, with flat ridges separated by narrow fissures. Variable in size and form, dependent on growing conditions, sometimes large and massive, sometimes small and pendulous. Branchlets pale brown or dark reddish brown, glabrous, with white lenticels. Leaves deciduous, 4.5–14 × 2–12 cm, ovate to elliptic, upper surface glossy, glabrous except for a few hairs near the base and along the midrib, lower surface with small axillary tufts of hair along the midrib and veins or glabrous, four to six secondary veins on each side of the midrib, margins with three to five triangular lobes, terminating in spiny bristles (9–20 in total), apex obtuse or acute, rarely attenuate or falcate; petiole 0.5–2.5 cm long, minutely pubescent. Infructescence 1–3 cm long with one to two (to five) cupules. Cupule turbinate or deeply cup-shaped, 0.7–1.2 × 0.4–0.8 cm, outer surface glabrous or with a few hairs, inner surface glabrous or pubescent; scales acute with appressed tips. Acorn ovoid to ellipsoid, rarely subglobose, with one-third to half of its length enclosed in the cupule, 0.9–1.6 cm long, stylopodium prominent; stellate tomentum around apex and in longitudinal bands down acorn. Fruiting in the second year (USA). Nixon 1997. Distribution USA: Texas (Chisos, Davis and Glass Mts.). Habitat Dry wooded hillsides. USDA Hardiness Zone 7. Conservation status Least Concern. Illustration Nixon 1997; NT728. Taxonomic note Very variable in the wild, sharing similarities with both Q. buckleyi and Q. kelloggii in different parts of its range (Melendrez 2000).

Quercus gravesii is a small red oak, perhaps most notable for its excellent autumn colour. Sternberg (2004) writes of it painting the hillsides red in the Big Bend National Park, Texas – but as an interesting counterpoint, Melendrez describes how the colour varies between golden-yellow and scarlet in different parts of its range. He also mentions that it occurs on both limestone and igneous rocks in the wild (Melendrez 2000), and Sternberg (2004) considers that on a hot, dry alkaline site it might survive cold winters successfully. This appears to be the case at Kruchten in western Germany, where it tolerates the mildly alkaline soil without signs of chlorosis and has reached 1.8 m in five years of growth. These trees, grown from a Jablonski collection in New Mexico in 2000, have stunning scarlet-red autumn colour in late November (E. Jablonski, pers. comm. 2006). The species is also successful in central and southern England. A tree at Kew planted out in 1978 is now c.10 m tall (UK champion), with heavy spreading branches that form a rounded, though sparse, crown. This specimen showed no signs of attractive colouring in mid-November 2005, when the leaves were still green. A 1987 collection made by Guy Sternberg has reached 6 m at Thenford House. At Thierry Lamant’s arboretum in Dept. Loiret, France, one tree has achieved a stunning growth rate of 5 m in five years (Lamant 2004).


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