8.
Carya pallida
(Ashe) Engler & Graebner, Notizbl. Königl. Bot. Gart. Berlin. App. 9: 19. 1902.
Sand hickory
Hicoria pallida
Ashe, Gard. & Forest 10: 304-306, ill. 1897
Trees , to 29 m. Bark dark gray, ridged, often deeply furrowed. Twigs reddish brown, slender, slightly scaly, sometimes pubescent. Terminal buds reddish brown, ovoid, 4-11 mm, sparsely to densely scaly; outer bud scales with coarse hairs on midribs, bud scales imbricate; axillary buds protected by bracteoles fused into hood. Leaves 3-6 dm; petiole 3-10 cm, rachis sparingly hirsute near base, densely hirsute and scaly distally. Leaflets (5-)7(-9), lateral petiolules 0-1 mm, terminal petiolules 2-5 mm; blades ovate to obovate or elliptic, not falcate, 2-15 × 1-6 cm, margins finely to coarsely serrate, apex acuminate; surfaces abaxially hirsute toward base of midrib, otherwise without hairs or rarely hirsute with unicellular and 2-8-rayed fasciculate hairs, abundant large peltate scales and small 4-lobed, irregular, and round peltate scales imparting silvery tan color, adaxially glabrous except for dense fasciculate hairs at base near leaf insertions, moderately to densely scaly in spring. Staminate catkins pedunculate, to 13 cm, stalks hirsute, scaly, bracts scaly, hirsute at apex; anthers hirsute. Fruits tan to reddish brown, obovoid to spheric or ellipsoid, slightly compressed, 3-4 × 2-3 cm; husks rough, 2-4 mm thick, dehiscing to middle or base, sutures smooth; nuts tan, obovoid to spheric or ellipsoid, slightly compressed, not angled, rugulose; shells thick. Seeds sweet.
Flowering spring. Well-drained sandy or rocky soils on bluffs, ridges, rolling hills, and dry woods; 0-500 m; Ala., Ark., Del., Fla., Ga., Ill., Ind., Ky., La., Md., Miss., Mo., N.J., N.C., S.C., Tenn., Va.
Carya pallida occurs principally east of the Mississippi River. It seems to intergrade with C . texana in eastern Missouri and southern Illinois, and it may hybridize with C . glabra .
