Quercus serrata subsp. mongolicoides of the Tokai and northern Kanto districts of Honshu,
Japan, is similar to Q. mongolica var. mongolica in leaf morphology. Its taxonomic treatment …

Quercus mongolica is a tree found in temperate deciduous forests in east Asia. In Japan, Q.
mongolica var. crispula is commonly found; moreover, an oak whose morphology is similar …

To understand genetic diversity in focal species, it is important to consider the possibility of
speciation with gene flow, especially in species with porous genomes such as oaks. We …

Aims In a contact zone between related taxa, phenotypic variation can result from genetic
and/or environmental gradients. This study aimed to clarify the cause of phenotypic variation …

Cupules 21–32 mm in diameter, 13–16 mm high, the mouth slightly narrowed; scales
densely imbricate, prominently humped from the middle to the lower part. Acorns ellipsoid …

Populations of a Quercus species previously identified as Q. mongolica Fischer (Ohwi 1953)
occur on dry ridges or in habitats with thin and poor soils in Japan's Tokai District (Hiroki …