毛药山茶 Camellia renshanxiangiae C.X.Ye & X.Q.ZhengCamellia renshanxiangiae

Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline，p.138. Flowers are white, 1.0-2.0 cm in diameter, borne at the tips of shoots and in leaf axils. Pedicels about 1.5 mm long. Bracts 6, persistent. Sepals 5, outer surface pubescent, inside surface glabrous. Petals 5-7, 9-15 mm long and 6-9 mm wide, obovate to broadly obovate, united from the base with the staminal column up to 1 mm. Androecium 7-10 mm long, anthers pilose, outermost stamens fused from the base into a tube 4-6 mm long. Gynoecium glabrous, 1.1-1.7 cm in length, 3 styles, slightly divided at the tip, ovary tomentose. Blooming season: spring. Capsules globose, slightly puberulent, 1.2-1.4 cm in diameter, 1-2 locules, pericarp wall 1 mm thick. Seeds glabrous. Leaves oblong to narrowly ovate, tip caudate, base cuneate or rounded, 4.0-7.5 cm long, 1.7-3.0 cm wide, margin thinly serrulate, thinly coriaceous, upper surface glabrous, lower surface pubescent, midribs slightly raised on both sides of blade. Petioles 2-3 mm long, pubescent. Shrub up to 3 m tall, young shoots pubescent, older branches smooth. Distribution: Northwestern Guangdong Province; Elevation: 200-500 m; Specific locality: Yangshan County, Guangdong Province, China. In addition, it is cultivated at Sun Yatsen University, Guangzhou City, Guangdong Province, China.

Camellia renshanxiangiae has most recently been assessed for The IUCN Red List of Threatened Species in 2015. Camellia renshanxiangiae is listed as Vulnerable under criteria D2.

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138页。花白色，芳香，直径1.0~2.0厘米，顶生或腋生。花柄长约1.5毫米。苞片6枚，宿存，萼片5枚，表面有微毛，里面无毛。花瓣5~7枚，长9~15毫米，宽6~9毫米，倒卵形至宽卵形，基部与雄蕊柱连生1毫米。雄蕊长7~10毫米，花药被疏毛，外轮花丝基部连生形成4~6毫米长短管。雌蕊无毛，长1.1~1.7厘米，花柱先端3裂，子房被绒毛。花期春季。蒴果圆球形，略被毛，直径1.2~1.4厘米，1~2室，果皮厚约1毫米。种子无毛。叶长圆形至窄卵形，先端长尾尖，基部楔形或圆形，长4.0~7.5厘米，宽1.7~3.0厘米，边缘有细齿，薄革质，叶面无毛，叶背被柔毛，中脉在叶两面略凸起。叶柄长2~3毫米，被柔毛。灌木，高可达3米，嫩枝细，被柔毛，鱗芽被白色柔毛，老枝光滑。分布：广东省西北部，海拔200-500米。可寻地点: 广东省阳山县。另外，中山大学也有栽培。

毛药山茶最近一次于 2015年进行了IUCN濒危等级评估，被评为易危 Vulnerable（VU）。