Species
EndangeredSPECIES
- KingdomPlantae
- PhylumTracheophyta
- ClassMagnoliopsida
- OrderFagales
- FamilyFagaceae
Trees , to 20 m. Twigs branching at 45° angles, reddish brown, 3-4 mm diam., somewhat rigid, densely tomentose, persistent into 2d year. Terminal buds conic, 7-10 mm, scales brown with ciliate margins. Leaves: petiole 3-10 mm, rusty-villous, flattened adaxially. Leaf blade wavy or distinctly concave, oblong-lanceolate or elliptic, acuminate, (30-)70-10(-120) × 25-40 mm, leathery and brittle, base obtuse to cordate, secondary veins 8-10(-12) pairs, branching at 45-50° angles, strongly pinnate, raised abaxially, often sunken adaxially, margins often strongly revolute, with slightly thickened cell walls, entire or crenate to dentate with mucronate teeth, apex rounded or acute, mucronate; surfaces abaxially densely tomentose with whitish nonglandular hairs, midrib pilose, adaxially glossy dark green, sparsely pubescent. Acorns solitary or rarely paired; cup shallowly cup-shaped, 4-8 mm deep × 15-30 mm wide, scales laterally connate, appressed, deeply imbedded in tomentum, with only thin, brown, elongated apices visible, tuberculate, densely whitish brown tomentose throughout; nut ovoid, 20-30 × 15-20 mm, apex rounded.
via GBIF · IUCN · Kew POWO
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Drought-tolerant treesFlora of CaliforniaFlora of Guadalupe IslandGarden plants of North AmericaIUCN Red List endangered speciesNatural history of the California chaparral and woodlandsNatural history of the Channel Islands of CaliforniaOaks of MexicoOrnamental treesQuercusTrees of Mediterranean climateTrees of Mexican Pacific Islands