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Quercus nixoniana | |
Author | S.Valencia & Lozada-Perez 2003 Novon 13: 261 |
Synonyms | |
Local names | |
Range | Mexico (Guerrero, Jalisco, Oaxaca); 1300-2300 m; |
Growth habit | reaches 25 m; |
Leaves | 7-15 cm x 1-3; 5 to 8 times longer than wide; evergreen; apex acute; base cuneate; margin entire, without teeth; dark green, glabrous above; hairless beneath, without glandular hairs; 15-22 vein pairs; petiole hairless, 0.5 cm long; |
Flowers | |
Fruits | acorn ovoide, 1-1.5 cm; single to 3 on a short peduncle (to 2 cm long); rippening first year; |
Bark, twigs and |
bark grey, scaly at first, becoming fissured; twigs slender, sulcate, glabrescent; buds ovoid, 3 mm long; |
Hardiness zone, habitat | not hardy; tropical forests;
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Miscellaneous | -- Sub-genus Quercus, section
Lobatae, Series Erythromexicanae; -- Threatened (IUCN Red List Category : EN). -- Closely related to Q.salicifolia and Q.iltisii, from which it differs in having leaves glabrous beneath; before 2003 it was described under name Q.salicifolia; |
Subspecies and varieties |
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Pictures |