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贵州红山茶 Camellia kweichowensis Hung T.Chang

Last Updated:2025/2/22 16:54:35 By:wangzhonglang
227

Section:Camellia

Conservation Status

Remarks

This name is a synonym of Camellia reticulata

English

» Description

Camellia kweichowensis, 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.83: Camellia kweichowensis Chang, Acta Sci. Nat. Univ. Sunyatseni, monogr. ser. 1:61. 1981. [Description] Small tree. Leaves oblong, 6-10. 5 cm long, 3-4 cm wide. Flowers red, 10 cm in diameter; bracts and sepals 9-10, coriaceous, semiorbicular to broadly ovate, 5-17 mmlong, ash-yellow pubescent; petals 9, outer 3 petals 3-3. 5 cm long, pubescent, inner 6petals 5-6 cm long, obovate, basally connate for 1-1. 5 cm; stamens 2-2. 5 cm long, glabrous, filament tube short, 5 mm long; ovaries 5-locular, pilose; styles 2 cm long. apically 5-cleft, glabrous. Capsules oblate, 5-locular, 1-2 seeds per locule, pericarp4 mm thick. The fact that this species has 5-locular ovaries indicates that it is a comparatively primitive member of section Camellia and is closely related to subgenus Protocamellia.


» Distribution

CHINA:Guizhou province
Chinese

» Description

贵州红山茶Camellia kweichowensis Chang, sp. nov. 张宏达,1981. 《山茶属植物的系统研究》第61页。【标本】贵州:清镇,九龙山,1936427日,邓世纬S.W.Teng 90180 (花模式标 本 Fl.-typus! in Bot. Inst. Austro-Sin.);清镇,大周,1935 6 24日,邓世纬S. W. Teng 693 (果)。【形态特征】小乔木。叶长圆形,长6-10.5厘米,宽3-4厘米。花红色,直径10厘米;苞片及萼片9-10片,革质,半圆形至阔卵形,长5-17毫米,有灰黄毛;花瓣9片,外3片长3-3.5厘米,有毛,内6片长5-6厘米,倒卵形,基部连生1-1.5厘米;雄蕊长2-2.5厘米,无毛,花丝管短,长5毫米;子房5室,被毛,花柱长2厘米,先端5裂,无毛。蒴果扁球形,5室,每室有种子1-2个,果皮厚4毫米。这是红山茶组唯一的5室子房的代表,反映了它是本组较古老的代表,并和原始山茶亚属相联系。


» Distribution

贵州:清镇,九龙山

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