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Following served from American Museum of Natural History, Plant Bug AMNH_PBI00094984 pbi_cal04l8h65
Quercus acroglandis
Kellogg;
Q
.
agrifolia
var.
oxyadenia
(Torrey) J. T. Howell;
Q
.
pricei
Sudworth
Trees , evergreen, to 25 m. Bark gray to dark brown or black, ridges broad, rounded. Twigs brown to red-brown, 1.5-3 mm diam., with scattered pubescence or uniformly pubescent. Terminal buds light chestnut brown, ovoid, occasionally subconic, 3-6(-7) mm, glabrous except for cilia along scale margins. Leaves: petiole 4-15(-18) mm, sparsely to densely pubescent. Leaf blade broadly elliptic to ovate or oblong, 15-75 × 10-40 mm, base rounded or cordate, margins entire or spinose, with up to 24 awns, apex blunt to attenuate; surfaces abaxially glabrous or with small axillary tufts of tomentum, veins raised, adaxially distinctly convex, rugose, glabrous, occasionally densely uniformly pubescent. Acorns annual; cup turbinate to cup- or bowl-shaped, rarely saucer-shaped, 9-13 mm high × 9-15 mm wide, covering 1/4-1/3(-1/2) nut, outer surface glabrous to sparsely puberulent, inner surface pubescent on innermost 1/3 to uniformly pubescent, scales acute, tips loose; nut ovoid to oblong or conic, 15-35 × 10-15 mm, glabrous, scar diam. 3.5-8 mm. 2 n = 24.
Flowering early to mid spring. Moderately dry sites; to 1400 m; Calif.; Mexico (Baja California).
Quercus agrifolia
is found in the Coast Ranges from Sonoma County, California, south to Baja California. Plants with densely pubescent leaves, especially abaxially, have been treated as
Q. agrifolia
var.
oxyadenia
.
This species reportedly hybridizes with
Quercus kelloggii
and
Q. wislizeni
.
The Mahuna used
Quercus agrifolia
medicinally to heal the bleeding navel of a newborn (D. E. Moerman 1986).
