Compare sources for Quercus muehlenbergii
Eastern and Central USA; Canada; NE Mexico (Coahuila, Nuevo Leon, Tamaulipas); 0 to 2300 m; introduced in Europe in 1822;
reaches 15-30 m tall; crown narrow, tip rounded; shrubby in the northern part of its area;
Deciduous. Small to medoium tree often 50’.
6-12 x 3-9 cm; deciduous; thin but leathery; oboval to oblanceolate; apex acute or acuminate; base cuneate or truncate; margin slightly revolute with 4-11 pairs of shallow lobes, pointed but not spinny; shiny green, glabrescent above; whitish green, hairy beneath (scattered stellate hairs and some glandular ones), then glaucous and greyish when drying; 7-12 pairs of lateral veins, parallel, straight, slightly impressed above, raised beneath; epidermis papillose; petiole yellow, hairless or nearly so, 1-2 cm long;
- 5”
- usually small, with jagged teeth but some are indistiguishable from michauxii and montana
- underleaf whitish or tan, densely hairy
acorn 2 cm long, ovoid; dark brown to black; stalkless or nearly so; singly or paired; enclosed 1/2 or 1/3 by the grey tomentose cup; maturing in 1 year in September; cotyledons distinct;
- 3/4”
- cup scales thin, tight, covering 1/3 - 1/2 nut
late winter, early spring; male inflorescence 4-6 cm; female inflorescence 0.5-2 cm bearing 1-3 flowers;
- Uncommon and local in dry uplands; on clay and limestone soils on bluffs in FL
- Uncommonly cultivated but tolerant of a varied settings
- Zones 5-7
– A. Camus : n° 192 ; – Sub-genus Quercus, Section Quercus, Subsection Prinoideae; – Henry E. Muehlenberg (1753-1815) was a botanist from Pennsylvania;