大苞润楠 da bao run nan

Persea grandibracteata (S. K. Lee & F. N. Wei) Kostermans.

Trees, to 15 m tall. Branchlets terete, glabrous, older branchlet with leaf scars. Petiole ca. 1.5 cm, glabrous; leaf blade castaneous when dry, elliptic or obovate, 7-11 × 2-5 cm, thickly leathery, abaxially puberulent, adaxially glabrous, midrib adaxially concave, lateral veins 9-11 pairs, slender, visible on both surfaces, base cuneate, apex acute. Panicles terminal, ca. 6 cm, gray-white pubescent, many flowered; involucral bracts large, boat-shaped, 3-3.5 × 1.5-2 cm, densely appressed sericeous outside. Perianth lobes ovate, ca. 3 mm, sparsely pubescent on both surfaces. Filaments glabrous except for base; glands of 3rd series cordate, stipitate. Staminodes sagittate, puberulent. Ovary ovoid; stigma capitate. Fruit unknown. Fl. Feb.

Mixed forests. SW Guangxi [Vietnam].