Quercus arizonica (Arizona White Oak, Napaco)


Botanical Information

FamilyFagaceae
GenusQuercus
Speciesarizonica
CategoryWoody
TypeTree (evergreen)
OriginArizona, New Mexico and Texas, United States of America and Mexico.

Details

USDA Hardiness Zone7
USDA Hardiness Ref.
Canadian Hardiness Zone6b - 7a
Canada Hardiness Ref.
RHS Hardiness ZoneH6 - H5
RHS Hardiness Ref.
Temperature (°C)(-15) - (-12)
Temperature (°F)5 - 10
Height18 m

Description and Growing Information

General DescriptionThis species has been placed on the IUCN Red List as least concern.
ShapeIrregular crown.
HabitatFound at an altitude of 1,300-2,500 m.
Bark/Stem DescriptionThick grey bark with deep furrows.
Flower/Leaf Bud DescriptionOvate, light brown, 2-4 mm in length.
Leaf DescriptionOblong, elliptical or oblanceolate, thick, toothed, glacuous, a cordate or rounded base, 7-11 secondary veins on either side of the midvein, rough with stellate hairs and a pale yellowish-grey underside, 3-10 x 1.5-3 cm.
Flower DescriptionMale catkins 1.5-3 cm in length and female inflorescences 1-2 cm in length.
Fruit DescriptionAcorn, singular or paired, 0.8-1.2 cm.

Photographs