6. Pyrenaria wuana (Hung T. Chang) S. X. Yang, Novon. 15: 381. 2005.
长萼核果茶 chang e he guo cha
Tutcheria wuana Hung T. Chang, Acta Sci. Nat. Univ. Sunyatseni 6(1): 29. 1960 ["wuiana"].
Shrubs or trees, 2-8 m tall. Year-old branchlets with indumentum ± persistent; current year branchlets densely spreading villous. Petiole 5-8 mm, densely villous; leaf blade oblong-lanceolate, 10-18 × 2.5-4.5 cm, leathery, abaxially pale green, densely villous, and becoming yellowish brown when dry, adaxially olive green, shiny, and pubescent along midvein, midvein abaxially elevated and adaxially impressed, secondary veins 10-15 on each side of midvein, secondary and reticulate veins visible on both surfaces, base broadly cuneate to nearly rounded, margin serrulate, apex acuminate to caudate. Flowers axillary, solitary, 5-6 cm in diam. Pedicel 1-1.5 cm, densely villous; bracteoles 2(-4), green, leaflike, ovate to elliptic-ovate, 1-3(-4) × 0.6-1.5 cm, sericeous-tomentose, apex obtuse. Sepals 6-9, leaflike, ovate-elliptic to elliptic-lanceolate, 2-4 × 1.5-1.8 cm, leathery, outside sericeous-tomentose, inside sericeous apically and along margin or glabrous. Petals white, long obovate, 2.5-3.5 × 1-1.5 cm, outside sericeous. Stamens ca. 1.5 cm; filaments glabrous; outer filament whorl basally slightly connate and adnate to petals. Ovary tomentose, 3-loculed; style 1-1.6 cm, basally half tomentose. Capsule long ovoid, 3-4.5 × 1-1.5 cm, 3-loculed with 2 or 3 seeds per locule, dehiscent from base, apex acuminate to long acuminate; pericarp woody, yellowish brown tomentose. Seeds brown, laterally compressed, shiny. Fl. Jun-Jul, fr. Sep-Nov. 2n = 30*.
● Forests; 800-900 m. Guangdong (Luoding), Guangxi (Cangwu).