Compare sources for Quercus gravesii

West Texas, N.E. Mexico (Coahuila, Nuevo Leon, Tamulipas); 1200-2300 m; restricted area, but common in its range;

reaches 15 m tall;

Deciduous, small tree to 45’

10-18 x 5-9 cm; deciduous; thin, leathery; ovate, oblong, lanceolate or elliptical; base rounded or cuneate; apex acute aristate; margin not revolute, apically with 2-3 pairs of bristle-tipped lobes, with deep rounded sinuses, the terminal lobe elongated; hairless, lustrous light green adaxially; pale and reddish brown beneath, with axil tufts of fasciate hairs; red when unfolding and at fall; 4-6 pairs of secondary veins prominent both sides but slightly adaxialy; epidermis smooth ; petiole hairless or glabrescent, 1-3 cm long;

• 2 1/2”
• not leathery
• small with few short pointed lobes
• underleaf pale green

acorn 1.2-1.5 cm, ovoid to globose; pubescent; singly on a short peduncle 0.7-3 cm long; enclosed 1/3 to 1/4 by deep, halfround, hairy, 1.5 cm wide cup, with flat scales; maturing in 2 years in October-November;

• 1”
• narrow with deep tapered cup
• scales tight 1/2 - 7/8”

in spring; male inflorescences 6-7 cm long, sparcely hairy; female inflorescences to 1.5 cm long, bearing 1-3 flowers on pinkish brown, glabrescent stalks;

light to red brown

small, blunt, hairy

• Locally common withing very limited range in Davis, Glass, and Chisos Mountains
• Not cultivated

– A. Camus : n° 429; – Sub-genus Quercus, section Lobatae, Series Coccineae; – Close to Q.shumardii and Q.buckleyi . – Different from Q. canbyi in having broad aristate teeth from the apex to the base, the terminal lobe elongate and having short aristate teeth or simple bristle tips. – Henry S. Graves (1871-1950) was at the head of US Forests Department.

Relkated to emoryi, and on average differs in being deciduous with leaves more lobed and less leathery, but intermediate trees are not readily distinguished from emoryi.