Oaks of the World

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 Quercus fusiformis
Author Small 1903 Fl. S.E. U.S. 353
Synonymsvirginiana var. fusiformis (Small) Sarg.1918
virginiana subsp fusiformis (Small) E.Murray 1983
virginiana var. macrophylla Sarg. 1918
oleoides var. quaterna C.H.Muller 1951
Local namesplateau oak ; Texas live oak ; escarpment live oak ; scrub live oak ;
Range Texas, Oklahoma ; Mexico (Coahuila, Nuevo Leon, Tamaulipas); 0-1200 m ;
Growth habit reaches 8 m, but also spreading shrub 1.5-3 m tall;
Leaves 2-7 x 1-2 cm; evergreen; leathery; oblong, elliptic or narrowly obovate; apex acute or rounded; base cuneate or rounded; margin entire or often with 1-3 pairs of teeth, weakly revolute; grey green, usually glabrous and bright above, with sometimes some stellate, sparse hairs; pale, blue green tomentose beneath; 8-10 vein pairs, unconspicuous above, slightly raised beneath; petiole tomentose 2-8 mm long;
Flowers spring; male inflorescence 3-5 cm long; female inflorescence 1,5-5,5 cm, with 2-3 flowers, sometimes more;

acorn ovoid to spindle-shaped, 1,5-2 cm long, glabrous, striate, on 3-8 mm long peduncle, solitary or 2-3 together; cup with greyish hairs, rounded or top-shaped, 1 cm in diameter, with scales thickenned near base, covering 1/3 to 1/2 of nut; cotyledons connate;

Bark, twigs and

bark as in Q.virginiana (blackish brown, scaly); twigs light grey, slightly tomentose; bud dark brown, subglobose, pubescent, 1.5-3 mm long; stipules 2-2,5 cm long, pubescent, deciduous ;

Hardiness zone, habitathardy; all types of soils, but prefers calcareous ones;
Miscellaneous-- A. Camus : n° 172;
-- Sub-genus Quercus, Section Virentes;
-- For some Authors, it is a variety of
Q.virginiana , very closely related to.
-- In the southern part of its range, Q.fusiformis is likely to form hybrid-complex with
Q.oleoides Schltdl.& Cham, named by C.H.Muller "Q.oleoides var. quaterna";
-- moreover, Q.fusiformis is close also to
Q.brandegei Goldmann, endemic to Baja California (Mexico).
Subspecies and