Lithocarpus elmerrillii Chun

Trees to 25 m tall. Branchlets of current year sulcate, glabrous, dark brown when dry. Petiole 2-2.5 cm; leaf blade oblong to rarely obovate-elliptic, 10-17 × 3-6 cm, thinly leathery, abaxially with adherent waxy scale and glaucous when dry, base attenuate and decurrent on petiole, margin entire, apex acuminate; secondary veins 9-12 on each side of midvein, abruptly curving apically; tertiary veins slender, evident. Female inflorescences rachis 6-7 mm thick; cupules solitary, scattered above middle of rachis. Cupule bowl-shaped, 0.6-1 × 1.7-2.5 cm, basally narrowed into a stalk, wall woody; basal bracts usually united into concentric rings, others imbricate, triangular, appressed, apical ones smaller. Nut subglobose to depressed globose, 2-2.5 × 2.5-3 cm, glabrous, apex pointed, wall to 2.5 mm thick; scar 1.4-1.6 cm in diam., concave. Fr. Sep-Oct.

Hainan (Baoting Xian)

* Broad-leaved evergreen forests; 500-800 m.