Adinandra bockiana E. Pritz. ex Diels

Shrubs or trees, 2-9 m tall. Young branches blackish brown, glabrous or subglabrous; current year branchlets, terminal buds, petioles, and pedicels densely yellowish brown to ferruginous spreading villous or grayish brown appressed pubescent. Petiole 5-7 mm; leaf blade oblong to oblong-ovate, 9-13 × 3-4 cm, leathery, abaxially pale green and densely yellowish brown to ferruginous villous or sparsely appressed pubescent to glabrescent, adaxially dark green and shiny, secondary veins 11-12 on each side of midvein and inconspicuous on both surfaces, base cuneate, margin entire and slightly revolute, apex acuminate to long acuminate and with a 1-2 mm acumen. Flowers axillary, solitary. Pedicel 1-2 cm; bracteoles caducous, linear-oblong, 3-4 × ca. 1.5 mm, densely villous. Sepals broadly ovate to ovate, 5-6 × 3.5-4 mm, margin glandular and ciliolate, apex obtuse to rounded and mucronate. Petals white, broadly ovate, 6-7 × 4-5 mm, outside yellowish brown sericeous along median portion, apex rounded and mucronate. Stamens 25-30, ca. 5 mm; filaments 1.5-2.5 mm, distinct, glabrous; anthers linear-lanceolate, 1.5-2 mm, with filiform trichomes, connective exserted. Ovary globose, sericeous, 3-loculed with many ovules per locule; style, 5-6 mm, completely united, glabrous. Fruit purplish black when mature, globose, ca. 1 cm in diam., many seeded, sparsely pubescent; persistent sepals not reflexed. Seeds reddish brown, shiny. Fl. Jun-Aug, fr. Sep-Nov.

Fujian, E and N Guangdong, Guangxi, S and W Guizhou, S and W Hunan, E and S Jiangxi, E Sichuan.

● Forests, forest margins, or thickets on mountain slopes or in valleys; 200-1500 m.

Adinandra bockiana là một loài thực vật có hoa trong họ Pentaphylacaceae. Loài này được E.Pritz. ex Diels mô tả khoa học đầu tiên năm 1900.

川杨桐（学名：Adinandra bockiana）为山茶科杨桐属下的一个种。