| Quercus x kerneri | |
| Author | Simkovics
1883 |
| Synonyms | pubescens x robur |
| Local names | |
| Range | |
| Growth habit | |
| Leaves |
4-6 x 3.5-4.5 cm, broad, apex obtuse, base auricled; lobulate lobes with deep sinuses; abaxially with rare uniseriate, solitary and fasciculate hairs, if present mostly on the veins ; 5 vein pairs; petiole tomentose, 4-8mm long; |
| Flowers | |
| Fruits | acorn sterile; |
|
Bark, twigs and |
tomentose, blackish twigs; bud ovoid, pointed, 3-5 mm long, with rusty-brown, pubescent scales; |
| Hardiness zone, habitat | |
| Miscellaneous | |
| Subspecies and varieties |
2
subspecies: 1/ nothosubsp kerneri = Q. x kanitziana Borbas 1887 = Q. x hariotii Hy 1902 = Q. sublanuginosa Borbas 1886 = Q. x pseudodalechampii Cretz. 1943 = Q. x csatoi Borbas 1886 = Q. x teriana Vicioso 1950 it is the type subspecies, described above. -- For some A uthors, Q.x csatoi is a synonym for Q.x rosacea; for Romanian Authors it is a hybrid between Q. robur and Q. polycarpa; moreover, for Romanians, Q. x pseudodalechampii is the hybrid between Q. robur and Q. dalechampii; 2/ nothosubsp monserratti (Vicioso) Rivas Mart. & Saenz de Rivas 1991 = Q. x montserratii C.Vicioso 1948 = Q. robur X Q. pubescens subsp subpyrenaica 12-15 m ; bark dark brow, rough; twig white tomentose at first, becoming glabrous; leaves 5-11 x 3-5 cm, mature ones both sides glabrous, not waxy beneath, sinuate-lobed with small triangular lobes and acute sinuses; numerous parallel vein pairs; petiole hairless, 8-15 mm long; acorn on a 2-3 cm pubescent stalk; Spain, near Barcelona; -- For C. Vicioso, this taxon is a hybrid between Q.cerrioides and Q.robur; |
| Pictures |
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