Quercus petraea

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Read about Quercus petraea in the Standard Cyclopedia of Horticulture 

Quercus sessiliflora, Salisb. (Q. sessilis, Ehrh. Q. Robur var. sessiliflora, DC. Q. Robur, Mill., not Linn.). Similar in habit to the former, but limbs less spreading and head less broad: petioles 1/2-3/4in. long: lvs. rounded or cuneate at base, obovate or obovate-oblong, with 5-9 rounded lobes on each side, somewhat glossy above, pale and glabrous or slightly pubescent on the midrib beneath, 2 1/2—5 in. long: fr. almost sessile, usually somewhat larger than those of the preceding species. Eu., W. Asia to Persia. H.W. 2:22, pp. 65-7. F.S.R. 3, p. 117. A very distinct variety is var. mespilifolia, Dipp. (var. sublobata, Koch), with almost entire lvs. H.W. 2, p. 65. Var. laciniata, Koehne. Lvs. deeply lobed with narrow lobes pointing forward. Gt. 61, p. 495. Var. aurea, DC. Lvs. yellow while young, changing later to green. Var. purpurea, Dipp. Young lvs. purple, changing to dark green. Var. Louettei, Kirchn. With pendulous branches and narrow slightly lobed or nearly entire lvs.—Q. sessiliflora is less common in cult. than the preceding species; both are usually called English oak and are sometimes considered varieties of one species.


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