Oaks of the World

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  Quercus texana
Author Buckley 1860
Synonyms nuttallii E.J.Palmer 1927
nuttallii var. cachensis E.J.Palmer
palustris f. nuttallii (Palmer) C.H.Muller 1942
rubra var. texana (Buckl.)Buckl. 1881
shumardii var. texana (Buckl.) Ashe 1918
shumardii subsp texana (Buckl.) E.Murray 1983
Local names Nuttall's oak; Texas red oak ;
Range Alabama ; Missouri ; Texas ; Illinois ; Central South USA ; 0 to 200 m;
Growth habit 18-30 m tall;
Leaves 10-20 x 5-12 cm; apex pointed; base cuneate; margin with 5-9 narrow lobes and deep, broadly rounded sinuses; smooth, hairless, dark green above; paler beneath with tufts of hairs at axil of veins; petiole hairless, 2-5 cm long;
Flowers  
Fruits acorn 1.5-2.5 cm, red brown, striated; rather deep cup, with thick peduncle-shaped base, enclosing 1/4 to 1/2 of nut; maturing in 2 years;

Bark, twigs and
buds

bark at first grey brown, smooth, turning black with flat ridges; twigs brown to grey, hairless; bud grey brown, ovoid, 3-7 mm long, slightly pubescent, with ciliate scales;
Hardiness zone, habitat hardy; prefers moist soils; fast-growing;
Miscellaneous -- section Lobatae ;
-- the name Q.texana has been erroneously used for
Q.buckleyi, and by some Authors for Q.gravesii, so it may be better to name this taxon Q.nuttallii in order to avoid confusions...?
-- Thomas Nuttall ( 1786-1859 ) = English American botanist and ornithologist ;
-- Described as a true species, different from
Q.palustris, in 1927 only;
Subspecies and
varieties
-- Q.nuttallii var. cachensis E.J.Palmer is a variety occuring in Central Arkansas, with smaller acorn (1.6-1.8 cm)
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