陕西鹅耳枥 shan xi e er li

Trees to 15 m tall; bark dark gray. Branchlets purplish brown, densely pubescent when young. Petiole 0.7-1.7 cm, densely pubescent; leaf blade oblong or obovate-oblong, 6-9 × 3-4.5 cm, abaxially sparsely pubescent along veins, bearded in axils of lateral veins, adaxially glabrous, densely glandular punctate, base cordate, rarely subrounded, margin regularly and doubly minutely serrate, apex acuminate or acute; lateral veins 14-16 on each side of midvein. Female inflorescence 7-9 × 4-4.5 cm; peduncle 1.5-3 cm, densely pubescent intermixed with sparse, long hairs; bracts semiovate, 2.5-3 × 1-1.2 cm, villous along veins, outer margin irregularly dentate, without basal lobe, inner margin entire, with inflexed basal auricle, apex acuminate; veins 4 or 5, reticulate veins prominent. Nutlet broadly ovoid, ca. 4 × 3 mm, glabrous except villous at apex, with sparse, brown, resinous glands and prominent ribs. Fl. May-Jun, fr. Jul-Aug.

* Temperate broad-leaved forests; 800-1000 m. S Gansu, S Shaanxi (Nanwutai)