文山润楠 wen shan run nan

Persea wenshanensis (H. W. Li) Kostermans.

Trees, ca. 15 m tall; trunk ca. 30 cm d.b.h. Branchlets robust, ca. 8 mm in diam., longitudinally striate, lenticellate, pubescent or densely dirty yellowish tomentose when young. Bud scales densely dirty yellowish or ferruginous tomentose. Petiole 1.2-2.3 cm, dirty yellowish pubescent; leaf blade oblong or elliptic to oblanceolate-elliptic, ca. 12.5 × 3-4 cm, densely dirty yellowish villous on both surfaces when young, abaxially sparsely dirty yellowish villous and adaxially glabrous when old, midrib abaxially elevated, adaxially concave, lateral veins 10-12 pairs, abaxially raised, adaxially impressed, veinlets somewhat conspicuous on both surfaces, ± foveolate, base cuneate or broadly cuneate, apex acute or acuminate. Inflorescences arising from axillary shortened branchlet, many flowered, densely dirty yellowish pubescent; peduncle (2-)3-6 cm; bracts and bracteoles caducous. Pedicel ca. 1.5 mm. Flowers ca. 6 mm in diam. in flowering period. Perianth lobes dirty yellowish tomentose on both surfaces, slightly unequal, outer ones ca. 4.2 × 2.2 mm, inner ones ca. 4.5 × 2.5 mm. Filaments sparsely pubescent, those of 3rd series with stipitate glands. Staminodes sagittate, pubescent. Ovary ovoid, glabrous; style slender, to 2.6 mm. Fruit not seen. Fl. Apr.

● Evergreen broad-leaved forests in valleys or on slopes; ca. 1800 m. NW Guangxi, SW Guizhou (Anlong), SE Yunnan.