Oaks of the World

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  Quercus prinoides
Author Willd. 1801
Synonyms castanea var. prinoides (Willd.) Muhl. ex Engelm. 1877
chinquapin Pursh.1814
chincapin (F.Michx.) Raf. 1838
muehlenbergii var. humilis (Marshall) Britton 1886
prinoides var. rufescens Rehder 1907
prinus var. chincapin F.Michx. 1811
prinus var.pumila Michx. 1801
prinus var. humilis Marsh. 1785
rufescens (Rehd.) Bicknell 1918
Local names dwarf chinquapin oak ; scrub chesnut oak ;
Range Eastern USA; 0-500 m; introduced in Europe in 1823;
Growth habit 0.5-2 m tall, spreading, layering, bushy;
Leaves 7-15 x 2.5-6 cm; deciduous; oboval to lanceolate; apex acuminate, base cuneate; margin entire with pointed teeth; shiny green, hairless above; slightly pubescent beneath with stellate hairs; 5-8 vein pairs; petiole 1-1.5 cm long;
Flowers spring;
Fruits acorn 1.8-2.7 cm long, 1-1.2 cm in diameter; singly or paired; sessile or sometimes on a 3-8 mm long stalk; enclosed 1/4 to 1/3 by cup; cup 1.2-1.3 cm in diameter; cotyledons distinct;

Bark, twigs and
buds

bark whitish or grey, thin, scaly, wrinkled; twig brown, becoming grey; bud brown, globose, pointed, 1-3 mm in diameter;
Hardiness zone, habitat hardy; prefers dry, acidic, sandy soils; withstands calcareous soils;
Miscellaneous -- A. Camus : n 194 ;
-- section Quercus ;
-- closely related to Q.muehlenbergii (variety ?), but Q.prinoides thrives in acidic, sandy soils, and
Q.muehlenbergii in calcareous ones...Moreover Q.prinoides bears acorns even on young plants, and layers all around; for Zander and Pierce, 1979, both are identical...;
Subspecies and
varieties
-- Q.prinoides var. rufescens = leaves densely stellate hairy beneath, weakly different in shape; occurs at Long Island and Martha's Vineyard;
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