香港红山茶 Camellia hongkongensis Seem.Camellia hongkongensis

Camellia hongkongensis, Subgenus Camellia, Sect. Camellia, Subsect. Reticulata Chang, Acta Sci. Nat. Univ. Sunyatseni, monogr. ser. 1: 56. 1981. Ser. Reticulatae Chang, Acta Sci. Nat. Univ. Sunyatseni, monogr. ser. 1: 61. 1981. Chang Hung-ta and Bruce Bartholomew (1984). Camellias, p.95: Camellia hongkongensis Seem., Trans. Linn. Soc. London 22:342. 1859, excl. Gaudichaud 271. [Description] Branchlets glabrous. Leaves oblong, 12 cm long, 3. 8 cm wide. Flowers sessile, red; bracts and sepals 9-10, scarious, not completely deciduous; petals 6-7, 3. 5 cm long; stamens with a filament tube, glabrous. Capsules globose, 3-3. 5 cm in diameter, 3-locular, 1-2 seeds per locule, pericarp 3-4 mm thick. [Distribution] Offshore islands of Guangdong. [Synonym] Camellia japonica Champ. ex Benth. in Hook., Journ. Bot. 3: 309. 1851, auct. non L. \Thea hongkongensis (Seem.)Pierre, Fl. For. Cochinchine 2: sub. pl. 117. 1887.

Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline，p.42. Flowers are rose-red with a purplish tint,5.2-6.5 cm in diameter,borne singly at the tips of shoots. Perules 9-12,persistent. Petals 6-7,3.0-4.0 cm long,1.5-2.5 cm wide ,broadly obovate,tip rounded or slightly emarginate,usually curled outwordly,slightly united at the base with the staminal column. Androecium glabrous,1.5-2.5 cm long,outer layer of stamens fused from the base into a short cup. Gynoecium 2.5-3.2 cm long,3 style,free not fused from the base,ovary tomentose. Bloming season:late winter to spring.Capsules oblate or globose, surface slightly rough, 2.0-3.5 cm in diameter, 3 locules, pericarp wall 2-4 mm in thickness. Seeds glabrous.Leaves oblong-elliptic, tip acute, base cuneate or rounded, 4.0-12.5 cm long, 2.0-3.8 cm wide, margin thinly serrulate on upper half, smooth on lower half, upper surface with midrib slightly impressesd, lateral veins visible, glabrous, lower surface with midrib raised, glabrous. Petiole 5-13 mm long. Shrub or small tree up to 10 m tall, young shoots bronze-red, glabrous, older branches smooth, gray in color. Chromosome Number: 2n = 30(Kondo, 1977).(Data compiled from Sealy, 1958; Chang and Bartholomew, 1984; Ming, 2000) Distribution: Hong Kong and other islands off the coast of Guangdong Province of China; Elevation: 150-400 m; Specific locality: Happy Valley, Hong Kong, China.

香港红山茶Camellia hongkongensis Seemanw in Trans. Linn. Soc. London, 22： t. 60, 1859, excl. Gaudichaud 271. 张宏达，1981. 《山茶属植物的系统研究》第71页。【标本】香港：陈焕镛 W.Y.Chun 9172；黄志 C. wang 30303；陈念劬N. K. Chun 40030, 40280, 40286；九龙，大龙农场，张宏达H. T. Chang 6558，6559. 广东：阳江，海陵岛，黄志C. wang 41713；清远，左景烈K.L.Tso 22729。分布：广东沿海岛屿。【形态特征】嫩枝无毛，叶长圆形，12x 3.8厘米；花无柄，红色；荀及萼片9-10，干膜 质，不完全脱落；花瓣6-7,长3.5厘米；雄蕊有花丝管，无毛；子房有毛；花柱3条，离生，无毛；蒴果球形，直径3-3.5厘米，3室，每室有种子1-2粒；果壳厚3-4毫米。

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42页。花玫瑰红色，带紫色调，花径5.2~6.5厘米，单花顶生。鱗片9~12枚，宿存。花瓣6~7枚，长3.0~4.0厘米，宽1.5~2.5厘米，阔倒卵形，先端圆或略凹缺，通常外卷，基部与雄蕊柱略连生。雄蕊无毛，长1.5 ~ 2.5厘米，外轮花丝基部连生形成短管。雌蕊长2.5~3.2厘米，花柱3条，完全离生，子房被绒毛。花期冬末至春季。蒴果扁球形或球形，表面略粗糙，直径2.0~3.5厘米，3室，果皮厚 2~4毫米。种子无毛。叶长圆状椭圆形，先端急尖，基部楔形或圆形，长4.0~12.5厘米，宽2.0~3.8厘米，边缘上半部具细齿，下半部全缘，叶面中脉略凹陷，侧脉清晰可见，叶背中脉凸起，无毛。叶柄长5~13毫米。灌木或小乔木，高可达10米，嫩枝红褐色，无毛，老枝光滑，灰白色。分布：中国香港特区一些岛屿和广东省沿海地区，海拔150-400米。 可寻地点:中国香港特区快活林谷。