| Quercus texana | |
| Author | Buckley 1860 Proc. Acad. Nat. Sci. Philadelphia 12: 444 1860 publ. 1861. |
| 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 |
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 | --
Sub-genus Quercus, section Lobatae, Series Palustres; -- 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) |
| Pictures |
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