毛叶茶 Camellia ptilophylla Hung T.ChangCamellia ptilophylla

Camellia ptilophylla, Subgenus Thea, Sect. Thea, Ser. Sinenses Chang, Acta Sci. Nat. Univ. Sunyatseni 1981(1):96. 1981. Chang Hung-ta and Bruce Bartholomew (1984). Camellias, p.151.Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline，p.221.

[Description] Small tree 5-6 m tall, branchlets with greyish-brown pubescence. Leaves coriaceous, 12-21 cm long, 4-6. 8 cm wide; apices acuminate, acumen obtuse; bases broadly cuneate; dark green above, dull in the dry state, slightly scabrous, base of midveinpubescent; greyish-brown below in the dry state, puberulent; lateral veins 8-10, visible above, slightly protruding below; margins serrulate, teeth separation 2-4 mm; petioles8-10 mm long, brown-pubescent. Flowers solitary, terminal; pedicels 8-10 mm long, pubescent; bracts 3, early deciduous; sepals 7, suborbicular, 4-5 mm long, exteriorpubescent; petals5, ovoid, free, 1-1.2 cm long, pubescent; stamens nearly free, 8-10 mmlong, glabrous; ovaries 3-locular, pubescent; styles ca. 1 cm long, apically 3-cleft, glabrous. Capsules globose, 2 cm in diameter, pubescent, 1-3-locular, 1-2 seeds perlocule, 3-valvate dehiscent, valves 1 mm thick; seeds semiglobose or globose, 1.7 cm in diameter, brown; persistent sepals 5, usually 1.2 cm wide; pedicels 1 cm long.

Zhao (2024): Camellia ptilophylla Hung T. Chang, Acta Sci. Nat. Univ. Sunyatseni 20(1): 98. 1981—Lectotype (designated by Zhao et al. 2019: 299): China. Guangdong: Longmen, Nankunshan, 6 Dec 1978, P. Zeng 4011 (SYS 00094851!; isolectotypes: SYS 00091372!, SYS 00091373!, SYS 00094850!, SYS 00094852!).

= Camellia pubescens Hung T. Chang & C.X. Ye, Acta Sci. Nat. Univ. Sunyatseni 26(1): 18. 1987—Holotype: China. Hunan: Rucheng, 270 m, 25 January 1986, H.T. Chang et al. 460 (consisting of five sheets: SYS 00094853!, SYS 00094854!, SYS 00094855!, SYS 00094856! and SYS 00094857!).

New branchlets and leaf buds densely pubescent. Leaf blade elliptic to oblong, 6.5–25 × 3–7.5 cm, abaxially pubescent, adaxially glabrous, base cuneate. Flower 2.5–3 cm in diameter. Pedicel ca. 1 cm long, pubescent. Sepals 3–7 × 3.5–7 mm, outside pubescent, inside glabrous. Petals outside pubescent to puberulous, inside glabrous. Ovary densely pubescent. Style apically 3-lobed, glabrous or basally pubescent. Fruit 2–3.5 cm in diameter; pericarp ca. 1 mm thick. Fl. November to January, fr. September to December.

Distribution. China: Guangdong, Hunan.

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

毛叶茶Camellia ptilophylla Chang, sp. nov. 张宏达，1981. 《山茶属植物的系统研究》第122页。【标本】广东；龙门，南崑山，曾沛73，4011 (花模式 F1.-1：typus! in Univ.sun-yatsen)，4012，4013；从化，吕田，狮丈，水尾，山谷疏林，小乔木，高5-6 米，1958年11月9日，邓良8365。【形态特征】小乔木，高5-6米，嫩枝有灰褐色柔毛。叶革质，长圆形，长12-21厘米，宽4-6.8厘米，先端渐尖，尖头钝，基部阔楔形，上面深绿色，干后暗晦，稍祖糙，中脉基部有毛，下面干后灰褐色，有短柔毛，侧脉8-10对，在上面能见，在下面稍突起，边缘有细锯齿，齿刻相隔2-4毫米，叶柄长8-10毫米，有褐色柔毛。花单生于枝顶，花梗长8-10毫米，有毛；苞片3,早落；萼片7片，近圆形，长4-5毫米，背面有柔毛。花瓣5片，倒卵圆形，分离，长1-1.2厘米，被毛。雄蕊近分离，长8-10毫米，无毛。子房3室，有柔毛，花柱长约1厘米，顶端3裂，无毛。蒴果圆球形，直径2厘米，被毛，1-3室，每室有种子1-2粒，3爿裂开，果爿厚1毫米；种子半球形或圆球形，直径1.7厘米，褐色；宿存萼片5片，共宽1.2厘米；果柄长1厘米。

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221页。花白色，花径2.5~3.0厘米，单花顶生或腋生。花柄长5~7毫米，密被短柔毛。苞片和萼片8~10枚，被黄色微毛，苞片早落，萼片宿存。花瓣5~8枚，长1.0~1.8厘米，倒卵圆形，先端基部与雄蕊柱略连生。雄蕊无毛，长约1厘米，外轮花丝基部略合生。雌蕊无毛，长约1厘米，花柱先端3浅裂，子房密被黄色柔毛。花期夏末至秋初。蒴果扁三球形，被短柔毛，直径约2厘米，1~3室,果皮厚1毫米。叶长圆形，先端尖，基部阔楔形，长9.0-21.0厘米,宽3.0~6.0厘米，边缘具细叶齿，薄革质，叶面中脉被毛,叶背中脉凸起，被柔毛。叶柄长8~10毫米，被褐色柔毛。灌木或小乔木，高可达6米，嫩枝和顶芽被灰黄色柔毛，老枝灰褐色。分布：广东省中部的从化至龙门一带，海拔250-500米。可寻地点:广东省龙门南昆山。

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