Oaks of the World

General data Classifications List of species Local names Back to
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  Quercus stellata
Author Wangenh. 1787
Synonyms alba var. minor Marsh. 1785
minor (Marsh.)
Sarg. 1889
obtusiloba Michx. 1802
stellata var. attenuata Sarg. 1918
stellata var. palmeri Sarg. 1918
stellata var. parviloba Trel. 1924
villosa Walt. 1788
Local names post oak
Range Central and Southeastern USA; to 1000 m; introduced in Europe in 1819;
Growth habit reaches 20 m tall; open, round crown, with spreading branches;
Leaves 8-15 x 5-12 cm; deciduous; stiff, thick; apex broakly rounded; base cuneate; 2-3 pairs of lobes; the central two lobes are longer, square, Maltese cross-shaped; grey green, rough above; densely tomentose beneath; 3-5 vein pairs; petiole 1-2 cm long;
Flowers  
Fruits acorn 1.2-2 cm long; elliptic or subglobose; singly or paired; pale brown; cup subsessile, enclosing 1/3 or more of nut, with appressed, pointed, pubescent scales;

Bark, twigs and
buds

bark pale grey, furrowed, scaly, thick; young twigs hairy, thick, with numerous lenticels; buds red brown, ovoid or subglobose, slightly pubescent, 4 mm long;
Hardiness zone, habitat hardy; prefers lime-free soils, even dry ones; not so fast growing;
Miscellaneous -- A. Camus : n 274 ;
-- section Quercus ;
-- numerous hybrids : xstelloides, xpseudomargaretta, xsterretti, xmacnabiana, xguadalupensis, xfernowii, xbernardensis;
Subspecies and
varieties
--- Q.margaretta (Ashe) Ashe ex Small 1903 (A. Camus n 275)
= Q. stellata var. araniosa Sarg. 1913
= Q. minor var. margareta Ashe 1894
= Q. stellata var. margaretta (Ashe ) Sarg. 1913
= Q. stellata subsp margareta (Ashe) E.Murray 1983
sand-post oak ; dwarf post oak ;
closely related to Q.stellata, but smaller (10 m), with bark very rough, twigs becoming grey and glabrous, leaves less rough above and less tomentose beneath; cup always sessile enclosing 3/4 of nut; sandy, rocky soils; 0 to 600 m; hybrids with Q.stellata, sometimes named Q.x drummondi Liebmann 1854 (= Q. x pseudomargaretta);
also written " margarettiae";

---
var. paludosa Sarg.
delta post oak ; Mississippi Valley oak ;
see Q.similis
Pictures

drawing of Q.margaretta