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The Fagaceae, or beech family, to which the oaks belong, is a slowly-evolving clade compared to other angiosperms, and the patterns of hybridization and introgression in Quercus pose a significant challenge to the concept of a species as a group of "actually or potentially interbreeding populations which are reproductively isolated from other ...
Kastanjesläktet ( Castanea) Castanopsis. Chrysolepis. Lithocarpus. Trigonobalanus. Synonymer. Quercaceae Berchtold & Presl. Bokväxter (Fagaceae) är en familj träd i ordningen Fagales med 7 släkten och cirka 1 000 [ 1] arter. Det är en tvåhjärtbladig växtfamilj.
De napjesdragersfamilie ( Fagaceae ), ook wel beukenfamilie genoemd, is een van de belangrijkste families van bomen op het noordelijk halfrond. Kenmerkend is het napje (cupula), dat de vrucht beschermt. Bij kastanjes is het napje geëvolueerd tot een complete schil.
Lithocarpus is a genus in the beech family, Fagaceae. Trees in this genus are commonly known as the stone oaks and differ from Quercus primarily because they produce insect-pollinated flowers on erect spikes and the female flowers have short styles with punctate stigmas. At current, around 340 species have been described, [1] mostly restricted ...
The faimily Fagaceae, or beech faimily, comprises aboot 600 species o baith evergreen an deciduous trees an scrogs, that is characterised bi alternate simple leafs wi pinnate venation, unisexual flouers in the form o catkins, an fruit in the form o tass-lik ( cupule) nits. References. ↑ Angiosperm Phylogeny Group (2009).
Chrysolepis Hjelmq. Les fagacees ( Fagaceae) son una familia d' arboles y arbustos encadarmada por 10 xéneros y alredor de 700 tribes, repartíes, principalmenti, nes estayes atemperiaes y caldies del Hermisferiu Norte. Esta familia ye la de la faya, la castañal y los robres . Son plantes lleñoses, de fueya cadoca, de cutio endurecida ...
Fagus grandifolia is a large deciduous tree [6] growing to 16–35 metres (52–115 feet) tall, [7] with smooth, silver-gray bark. The leaves are dark green, simple and sparsely-toothed with small teeth that terminate each vein, 6–12 centimetres ( – inches) long (rarely 15 cm or 6 in), with a short petiole. The winter twigs are distinctive ...
