Flora of North America species comparison

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Quercus georgiana

Georgia oak, stone mountain oak
Habit Trees, deciduous, to 15 m. Bark gray to light brown, scaly.
Twigs

deep red, 1-2 mm diam., glabrous.
Leaves

blade broadly ovate to elliptic or obovate, 40-130 × 20-90 mm, base cuneate to obtuse, margins with 3-5(-7) oblong lobes and up to 10 awns, apex acute;

surfaces abaxially glabrous except for conspicuous axillary tufts of tomentum, veins raised, adaxially planar, glabrous.
Acorns

biennial;

cup thin, saucer-shaped, 4-6 mm high × 9-14 mm wide, covering 1/3 nut, outer surface puberulent, inner surface glabrous or with a few hairs around scar, scale tips appressed, acute;

nut globose or ovoid, 9-14 × 9-14 mm, glabrous, scar diam. 4-7.5 mm.
Terminal

buds red-brown, ovoid to subconic, 2.5-5 mm, glabrous or scales somewhat ciliate.

Quercus georgiana
Phenology Flowering spring.
Habitat Granitic outcrops and dry slopes and knolls
Elevation 50-500 m (200-1600 ft)
Distribution
from FNA
AL; GA; SC
[WildflowerSearch map]
[BONAP county map]
Discussion

Quercus georgiana reportedly hybridizes with Q. marilandica (= Q. ×smallii Trelease) and Q. nigra, although D. M. Hunt (1989) has questioned the validity of the former report.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3.
Parent taxa Fagaceae > Quercus > sect. Lobatae
Sibling taxa
Q. acerifolia, Q. agrifolia, Q. ajoensis, Q. alba, Q. arizonica, Q. arkansana, Q. austrina, Q. berberidifolia, Q. bicolor, Q. boyntonii, Q. buckleyi, Q. carmenensis, Q. chapmanii, Q. chihuahuensis, Q. chrysolepis, Q. coccinea, Q. cornelius-mulleri, Q. depressipes, Q. douglasii, Q. dumosa, Q. durata, Q. ellipsoidalis, Q. emoryi, Q. engelmannii, Q. falcata, Q. fusiformis, Q. gambelii, Q. garryana, Q. geminata, Q. graciliformis, Q. gravesii, Q. grisea, Q. havardii, Q. hemisphaerica, Q. hinckleyi, Q. hypoleucoides, Q. ilicifolia, Q. imbricaria, Q. incana, Q. inopina, Q. intricata, Q. john-tuckeri, Q. kelloggii, Q. laceyi, Q. laevis, Q. laurifolia, Q. lobata, Q. lyrata, Q. macrocarpa, Q. margarettae, Q. marilandica, Q. michauxii, Q. minima, Q. mohriana, Q. montana, Q. muehlenbergii, Q. myrtifolia, Q. nigra, Q. oblongifolia, Q. oglethorpensis, Q. pacifica, Q. pagoda, Q. palmeri, Q. palustris, Q. phellos, Q. polymorpha, Q. prinoides, Q. pumila, Q. pungens, Q. robur, Q. robusta, Q. rubra, Q. rugosa, Q. sadleriana, Q. shumardii, Q. similis, Q. sinuata, Q. stellata, Q. tardifolia, Q. texana, Q. tomentella, Q. toumeyi, Q. turbinella, Q. vacciniifolia, Q. vaseyana, Q. velutina, Q. viminea, Q. virginiana, Q. wislizenii
Name authority M. A. Curtis: Amer. J. Sci. Arts, ser. 2, 7: 406. (1849)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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