膜叶茶 Camellia leptophylla S.Ye Liang ex Hung T.ChangCamellia leptophylla

Camellia leptophylla, Subgenus Thea, Sect. Thea, Ser. Gymnogynae Chang, Acta Sci. Nat. Univ. Sunyatseni 1981(1):93. 1981. Chang Hung-ta and Bruce Bartholomew (1984). Camellias, p.146.  Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline，p.218

[Description] Shrub; branchlets pubescent, soon glabrous. Leaves thinly membranous, oblong ornarrowly elliptic, 8-9.5 cm long, 3-4 cm wide, apices acute with an obtuse acumen, basesbroadly cuneate; dull brown above in the dry state, not shiny; light green below, glabrous; lateral veins 7-8 pairs, equally conspicuous on both surfaces; margins sparsely serrate, teeth separation 4-7 mm; petioles ca. 1 cm long, somewhat pubescentor glabrous. Flowers 1-2, terminal or axillary, white; pedicels 4-6 mm long, glabrous; bracts 2, on the middle of the pedicel, early deciduous; sepals 5, suborbicular, 6-7 mmlong, glabrous, margins ciliate, persistent; petals 9, obovate, 9-11 mm long, exterior glabrous, bases slightly connate; stamens nearly free, basally adnate with petals, glabrous; ovaries glabrous; styles 8 mm long, glabrous, apically 3-cleft.

Zhao (2024): Camellia leptophylla S. Ye Liang ex Hung T. Chang, Acta Sci. Nat. Univ. Sunyatseni 20(1): 95. 1981—Holotype: China. Guangxi: Longzhou, S.Y. Liang 56 (SYS).

New branchlets and leaf buds pubescent. Leaf blade elliptic, 7–15 × 3–6 cm, abaxially glabrescent, adaxially glabrous, base cuneate. Pedicel ca. 5 mm long, glabrescent. Sepals 3–4 × 4–5 mm, glabrous on both surfaces. Ovary glabrous. Style apically 3-lobed, glabrous. Fruit ca. 3 cm in diameter; pericarp ca. 1 mm thick. Fl. November to December, fr. September to December.

Distribution. China: Guangxi.

Camellia leptophylla has most recently been assessed for The IUCN Red List of Threatened Species in 2015. Camellia leptophylla is listed as Data Deficient.

膜叶茶Camellia leptophylla S,Y.Liang, sp. noy. in herb. 张宏达，1981. 《山茶属植物的系统研究》第118页。【标本】广西：龙州，大青山顶，1956年10月9日，梁盛业56 (广西林科所标本号 10551，模式标本Typus! in Univ.Sunyatsen)。【形态特征】灌木，嫩枝有毛，很快变秃。叶薄膜质，长圆形或狭椭圆形，长8-9.5厘米，宽3-4厘米，先端短尖，尖头钝，基部楔形，上面干后暗褐色，无光泽，下面浅绿色，无毛，侧脉7-8对，在上下两面均明显，边缘有疏锯齿，齿刻相隔4-7毫米，叶柄长约1厘米，多少有毛或变秃。花1-2朵顶生或腋生,白色，花梗长4-6毫米，无毛；苞片2片，位于花梗中部，早落；萼片5片，近圆形，长6-7毫米，无毛，边缘有睫毛，宿存，花瓣9片，倒卵形，长9-11毫米，背面无毛，基部略连生。雄蕊近离生，基部与花瓣连生，无毛。子房无毛，花柱长8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218页。花白色，花径2.0~3.5厘米，顶生或腋生。花柄长3~6毫米，被稀疏柔毛或无毛。苞片2枚，脱落。萼片5枚，宿存，边缘具睫毛。花瓣6~9枚，长0.9~1.3厘米，倒卵形，基部与雄蕊柱略连生。雄蕊无毛，基部近离生。雌蕊长6~8毫米，花柱3裂，基部连生2/3,子房无毛。花期秋季至冬初。蒴果球形，直径2.0~3.0厘米，2~3室，绿色,果皮厚约1毫米。叶椭圆形，先端短尖，基部楔形，长8.0~15.0厘米，宽3.0~5.5厘米，边缘具齿，齿距4~7毫米，叶面膜质，中脉和网脉略凹陷，叶背中脉凸起。叶柄长4~8毫米，被疏毛或变无毛。灌木，高可达3米，嫩枝被短柔毛，紫红色，老枝光滑，灰褐色。分布：广西壮族自治区西南部的龙州一带，海拔 650-950米。可寻地点:广西壮族自治区凭祥市大青山山顶。

膜叶茶最近一次于 2015年进行了IUCN濒危等级评估，被评为数据缺乏 Data Deficient（DD）。