| Quercus x firmurensis | |
| Author | Hy 1898 Bull. Soc. Étude Fl. Franç.-Helv. 1: 11 |
| Synonyms | pubescens x pyrenaica |
| Local names | |
| Range | France; Spain (Navarra, Cataluña); |
| Growth habit | tree or shrub; |
| Leaves | 5-7 x 3.55 cm, semi-evergreen, leathery, elliptic-obovate; dark, glabrescent above, with stellate pubescence when young; densely tomentose beneath, especially along midrib (same types of hairs as in Q. pubescens, plus stipitate fasciculate trichomes); lobes irregular, simple, obtuse; apex acute; base cordate, slightly asymmetrical; 5-6 vein pairs, with sinusal veins; tertiary veins evident; petiole 0.5-,51 cm, tomentose; |
| Flowers | |
| Fruits | acorn stalkless or with a peduncle shorter than the petiole; cup with pubescent, greyish scales; |
|
Bark, twigs and |
both twigs and 3-5 mm long buds densely tomentose; stipules often persistent until fall; |
| Hardiness zone, habitat | |
| Miscellaneous |
-- The today's
Spanish Authors (F.M.Vazquez & al.) consider this taxon as the hybrid
between Q. pyrenaica and Q. pubescens subsp lanuginosa.
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| Subspecies and varieties |
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| Pictures |  |