滇缅茶 Camellia irrawadiensis P.K.BaruaCamellia irrawadiensis

Camellia irrawadiensis, Subgenus Thea, Sect. Thea, Ser. Pentastylae Chang, Acta Sci. Nat. Univ. Sunyatseni 1981(1): 91. 1981. Chang Hung-ta and Bruce Bartholomew (1984). Camellias, p.143: Camellia irrawadiensis Barua, Camellian 1956(Nov.): 18. 1956. [Description] Small tree, branchlets glabrous. Leaves oblong, 12 cm long, 4. 5 cm wide. Pedicels 7-8mm long; bracts 2, deciduous; sepals 5, persistent; petals 7-10, 1.5-2 cm long, nearly free; ovaries pubescent; styles 4-5-cleft for nearly half their length, glabrous. Capsules oblate, 4 cm in diameter. Sealy considered Cai 51511 to be C. taliensis, the latter's leaves are shorter, ovate orobovate. [Distribution] China and Burma; cultivated in India. [Synonym] Polyspora yunnanensis Hu, Bull. Fan Mem. Inst. Biol. Bot. 8: 135. 1938. \Gordonia yunnanensis (Hu) H. L. Li, Journ. Arn. Arb. 25:307. 1944.

Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline，p.216. Flowers are white, 4.0-4.5 cm in diameter, borne singly or in pairs in leaf axils. Pedicels 7-8 mm long, stout, glabrous. Bracts 2, early deciduous. Sepals 5, persistent, glabrous. Petals 7-10, 1.1-2.0 cm long, 1.5-2.4 cm wide, orbicular to broadly obovate in shape, united with the staminal column up to 3 mm from the base. Androecium glabrous, 2.5 cm long, outer filaments fused from the base 1-3 mm. Gynoecium glabrous, 1.6-1.8 cm long, 3-5 styles, 50% cleft from the tip, ovary tomentose. Blooming season: late autumn to winter. Capsules globose with depressed tip, 3.1-4.3 cm in diameter, 3-5 locules, pericarp wall green to flushed red. Leaves elliptic, tip bluntly acuminate, base cuneate, 8.0-15.7 cm long, 3.0-6.0 cm wide, margin shallowly serrulate to entire, thinly coriaceous, upper surface glabrous, lower surface glabrous, midribs and lateral veins raised on both surfaces of blade. Petioles 5-10 mm long, glabrous. Shrub or small tree up to 9 m tall, young shoots glabrous, older branches smooth and gray in color. Distribution: It is distributed and extensively cultivated in Yunnan Province and Burma; Elevation: 1,300-2,000 m; Specific locality: Xiangzhuqing Village, Jinxiu Township, Fengqing County, Yunnan Province, China.

CHINA：Yunnan Province. Myanmar and India

滇缅茶Camellia irrawadiensis P.K.Barua in Camellian, Nov. 1956,18-20, c. 张宏达，1981. 《山茶属植物的系统研究》第115页。【标本】云南：文山县，海拔2000米，蔡希陶51511；大理，蔡希陶56805 (Polyspora yunnanensis Hu的模式标本)；元江，尹文清1669；同地，杨增宏7530；景东,李鸣岗2025。分布：中国，缅甸；印度有栽培。【形态特征】小乔木，嫩枝无毛；叶长圆形，12X4.5厘米、花梗长7-8毫米，荀片2，脱落；萼片5，宿存；花瓣7-10，长1.5-2厘米；雄蕊近离生；子房有毛，花柱4-5裂，无毛，裂片过半；蒴果扁球形，直径4厘米。蔡51511曾被 J. R. Sealy定为大理茶C.taliensis，后叶较短，椭圆形或倒卵形。

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216页。花白色，花径4.0~4.5厘米，单花或多朵腋生。花柄长7~8毫米，粗壮，无毛。苞片2枚，早落。萼片5枚，宿存，无毛。花瓣7~10枚，长1.1~2.0厘米，宽1.5~2.4厘米，椭圆形至阔倒卵形，基部与雄蕊柱连生3毫米。雄蕊无毛，长2.5厘米，外轮花丝基部连生1~3毫米。雌蕊无毛，长1.6~1.8厘米，花柱先端3~5裂，裂深50%。子房被绒毛。花期秋末至冬季。蒴果球形，先端凹陷，直径3.1~4.3厘米，3~5室，果皮绿色至淡红色。叶椭圆形，先端钝尖，基部楔形，长8.0-15.7厘米，宽3.0~6.0厘米，边缘具浅齿至全缘，薄革质，叶两面无毛，中脉和侧脉两面凸起。叶柄长5~10毫米，无毛。灌木或小乔木，高可达9米，嫩枝无毛，老枝光滑，灰色。分布：中国云南省南部和缅甸、印度，海拔1300- 2000米。可寻地点:云南省凤庆县锦绣乡香竹箐。