厚轴茶 Camellia crassicolumna Hung T. ChangCamellia crassicolumna

Camellia crassicolumna, 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.142: Camellia crassicolumna Chang, Acta Sci. Nat. Univ. Sunyatseni 1981(1): 91. 1981. [Description] Small tree 10 m tall, branchlets glabrous, terminal buds pubescent. Leavescoriaceous, oblong or elliptic, 10-12cm long, 4-5.5 cm wide, apices acute, bases broadlycuneate, slightly shiny above, greyish tinge below, glabrous, lateral veins 7-9 pairs, margins serrate, petioles 6-10 mm long. Flowers solitary, terminal, 5-6 cm in diameter, white; pedicels 5 mm long, thick, pubescent; bracts2, early deciduous; sepals orbicular, 6-8 mm long, coriaceous, pubescent; petals 9, outer 3 ovoid, 1. 5 cm long, pubescent, remaining 6 ovate-elliptic, 3 cm long, 1.5-2 cm wide, pubescent, basally connate; stamens ca. 2 cm long, nearly free, glabrous; ovaries pubescent, 5-locular; styles as longas stamens, apically deeply 5-cleft. Capsules ovoid, 4 cm long, 4-5-valvate dehiscent, 1seed per locule, valves 6-7 mm thick; columella large, 3 cmlong, 4-5-angular. Flowering period March to April.

Camellia crassicolumna has most recently been assessed for The IUCN Red List of Threatened Species in 2015. Camellia crassicolumna is listed as Least Concern.

Yunnan: Xichou, Malipo, Maguan, Pingbian, Jinping

厚轴茶Camellia crassicolumna Chang, sp. nov. 张宏达，1981. 《山茶属植物的系统研究》第113页。【标本】云南：西畴，简卓坡644(模式标本Typus! in Bot. Inst. Peking)；麻栗坡，冯国楣13748，13964；马关，都龙，老君山，武全安8132；屏边，毛品一3107；金平，李锡文309；西畴；昆明植物所文山组313。【形态特征】小乔木，高10米，嫩枝无毛，顶芽有毛。叶革质，长圆形或椭圆形，长10-12厘米，宽4-5.5厘米，先端急尖，基部阔楔形，上面稍发亮，下面带灰色，无毛，侧脉7-9对，边缘有锯齿，叶柄长6-10毫米。花单生于枝顶，直径5-6厘米，白色；花柄长5毫米，粗大，有毛；苞片2,早落；萼片圆形，长6-8毫米，革质，有毛；花瓣9片，外面3片卵圆形，长1.5厘举，有毛，其余6片卵状椭圆形，长3厘米，宽1.5-2厘米，有毛，基部连生；雄蕊长约2厘米，近离生，无毛；子房有毛，5室，花柱与雄蕊等长，先端5深裂。蒴果卵圆形，长4厘米，4-5片裂开，每室有种子1个；果爿厚6-7毫米；中轴粗大，长3厘米，4-5角。花期3-4月。

云南：西畴，麻栗坡，马关，屏边，金平