五柱柃 wu zhu ling

Shrubs or trees, 4-10 m tall. Young branches purplish brown to dark brown, glabrous or subglabrous; current year branchlets terete, densely yellowish brown spreading villous; terminal buds densely yellowish brown pubescent. Petiole 3-4 mm, pubescent; leaf blade oblong to oblong-oblanceolate, 5-9 × 1.2-2 cm, thinly leathery, abaxially yellowish green, sparsely appressed pubescent, and densely pubescent along midvein, adaxially green, glabrous, and shiny, midvein abaxially elevated and adaxially impressed, secondary veins 6-8 on each side of midvein, abaxially raised, and adaxially obscure to slightly visible, base broadly cuneate, margin closely serrulate, apex abruptly long acuminate to caudate-acuminate. Flowers axillary, solitary or paired. Pedicel ca. 3 mm, sparsely pubescent. Male flowers: bracteoles ovate, ca. 1 mm, outside densely pubescent, apex obtuse; sepals brown when dry, ovate to oblong-ovate, 2.5-3 mm, subleathery, outside pubescent, apex obtuse to subrounded and mucronate; petals oblong, ca. 4 mm; stamens ca. 14; anthers not locellate; pistillode glabrous. Female flowers: bracteoles and sepals similar to those of male flowers; petals ovate-lanceolate, ca. 3.5 mm; ovary ovoid, glabrous, 5-loculed; styles 5, distinct, ca. 3 mm. Immature fruit globose. Fl. Oct-Nov.

● Forests on mountain slopes or in valleys; 400-1000 m. Hainan (Baoting).