三江瘤果茶 Camellia pyxidiacea Z.R.Xu, F.P.Chen & C.Y.DengCamellia pyxidiacea

Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline，p.279. Flowers are white, fading to pink with age, 5.0-6.0 cm in diameter, borne singly at the tips of the shoots. Perules, persistent, 9-11, grayish villous. Petals 6-8,3.0-4.0 cm long, 2.0-3.0 cm wide, broadly obovate, cleft at the tip, fused at the base. Androecium glabrous, 2.0-3.0 cm long, filaments fused into a cup 10-12 mm long from the base. Gynoecium 2.5-3.0 cm long, 3-5 styles, free, not fused at the base, ovary grayish white tomentose. Blooming season: autumn. Capsules subglobose, 3.0-3.5 cm in diameter, 3-5 locules, densely tubercular and wrinkled on the surface, pericarp wall 3-7 mm thick. Seeds brownish-pubescent. Leaves elliptic to broadly elliptic, tip acuminate, base broadly cuneate, 9.0-16.0 cm long, 3.0-5.0 cm wide, sparsely serrulate, upper surface glabrous, lower surface with midrib slightly raised, glabrous. Petioles 6-12 mm long, glabrous. Shrub or small tree up to 5 m tall, young shoots glabrous, brownish, and angular, older branches cinnamon in color. Distribution: Along forested rivers in the Huangnihe valley where southwestern Guizhou Province is bounded by eastern Yunnan Province and western Guangxi，China; Elevation: 600-800 m; Specific locality: Hongna village, Sanjiangkou, Luoping County, Yunnan Province, China.

Camellia pyxidiacea has most recently been assessed for The IUCN Red List of Threatened Species in 2015. Camellia pyxidiacea is listed as Endangered under criteria B1ab(iii).

高继银、帕克斯、杜跃强，2005. 《山茶属植物主要原种彩色图集》浙江科学技术出版社，第279页。花白色，随着花朵开放，渐泛粉红色，花径5.0~6.0厘米，单花顶生。鳞片宿存，9~11枚，被灰色柔毛。花瓣6~8枚，长3.0~4.0厘米，宽2.0~3.0厘米，阔倒卵形，先端略凹，基部连生。雄蕊无毛，长2.0~3.0厘米，花丝基部连生形成10~12毫米长短管。雌蕊长2.5~3.0厘米，花柱3~5条，基部离生，子房被灰白色绒毛。花期秋季。蒴果近球形，直径3.0~3.5厘米，3~5室，表面密具瘤状凸起、褶皱，果皮厚3~7毫米。种子被棕色柔毛。叶椭圆形或长圆状椭圆形，先端渐尖，基部阔楔形，长9.0~16.0厘米，宽3.0~5.0厘米，叶齿疏，叶面无毛，叶背中脉略凸起，无毛。叶柄长6〜12毫米，无毛。灌木或小乔木，高可达5米，嫩枝无毛，褐色，有棱，老枝黄褐色。分布:贵州省西南部和云南省东 部、广西壮族自治区西部三省交界的 黄泥河流域江边丛林中，海拔600-800米。可寻地点:云南省罗平县三江口红纳村。