37. Machilus obscurinervis S. K. Lee, Acta Phytotax. Sin. 17(2): 51. 1979.
隐脉润楠 yin mai run nan
Persea obscurinervis (S. K. Lee) Kostermans.
Large trees, 30-40 m tall. Branchlets grayish, longitudinally striate, yellowish brown lenticellate, rough; 1-year-old branchlet somewhat compressed, ± angular, glabrous. Terminal buds small, subovoid; bud scales glabrous outside, margin ciliate. Leaves clustered at apex of branchlet; petiole 1-2.4 cm; leaf blade abaxially grayish green, elliptic, 6-10(-12.5) × 2.3-4 cm, thinly leathery, appressed puberulent, midrib elevated abaxially, slightly concave adaxially, lateral veins slender, 10-12 pairs, inconspicuous on both surfaces, veinlets densely reticulate, abaxially inconspicuous, adaxially visible, base cuneate, apex obtusely acute. Flowers not seen. Infructescences paniculate, at lower part of 1-year-old branchlet, 6-10.5 cm; peduncle reddish, compressed. Fruit globose, ca. 1 cm in diam.; persistent perianth lobes reflexed, oblong, ca. 5 mm, puberulent on both surfaces, apex acute; fruiting pedicel ca. 1 cm, red when fresh, puberulent, thickened to 2 mm in diam. Fr. Aug.
● Evergreen mixed broad-leaved forests; ca. 2000 m. SE Xizang.