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多齿红山茶 Camellia polyodonta F.C.How ex Hu

Last Updated:2025/2/22 22:56:59 By:wangzhonglang
299

Section:Camellia

Conservation Status

Remarks:This name is accepted

References

Camellia polyodonta F.C.How ex Hu  Acta Phytotax. Sin. 10: 135 (1965) Accepted Name

宛田红花油茶  中国高等植物图鉴,第2册,855页 (1972) Chinese Name

Camellia polyodonta F.C.How ex Hu  Wu, Z., Raven, P.H. & Hong, D. (eds.) (2007). Flora of China 12: 1-534. Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis). Cited Name

Camellia polyodonta F.C.How ex Hu  Nguyễn, H.H. (2017). Thực Vật Chí Việt Nam. Flora of Vietnam 19: 253. Nhà xuất bản khoa học và kỹ thuật, Hà Nội. Cited Name

English

» Description

Camellia polydonta, Subgenus Camellia, Sect. Camellia, Subsect. Reticulata Chang, Acta Sci. Nat. Univ. Sunyatseni, monogr. ser. 1: 56. 1981. Ser. Villosae Chang, Acta Sci. Nat. Univ. Sunyatseni, monogr. ser. 1: 56. 1981. Chang Hung-ta and Bruce Bartholomew (1984). Camellias, p.77: Camellia polydonta How ex Hu, Acta Phytotax. Sin. 10: 135. 1965. [Description] Leaves elliptic, long acute, margins serrations extremely sharp. Bracts and sepals 15, fruit globose, pericarp extremely thick, seeds 3-5 per locule. Liang Shengye's specimen, introduced to Nanning from the type locality has leafblades less than 9 cm long and 4 cm wide.

Gao Jiyin, Clifford R. Parks, Du Yueqiang, 2005, Collected Species of the Genus Camellia an Illustrated Outline,p.67-68. Flowers are bright red to deep pink, 5.0-6.2 cm in diameter, borne at the tips of the shoots and leaf axils. Perules 12, gradually deciduous, small basal bracts nearly glabrous, larger upper ones tomentose. Petals 6-7, 4.5-5.3 cm long, 3.7-4.6 cm wide, broadly obovate to obcordate in shape, cleft at tip from 2-3 mm, fused with the staminal column up to 10 mm from the base. Androecium some pubescence, 3.8-4.5 cm long, outer layer of stamens fused from the base into a cup up to 2.0 cm long. Gynoecium 3.6-4.1cm long, 3 styles, pubescent at the base, fused except at the top, ovary tomentose. Blooming season: winter to early spring. Capsules globose to pyriform in shape, surface yellowish-brown, 5.0-8.0 cm in diameter, 3-5 seeds per locule, pericarp wall about 1 cm thick. Seeds glabrous. Leaves mostly elliptic to slightly obovate, tip acuminate to caudate, base broadly cuneate to rounded, 7.4-13.2 cm long, 2A-4.5 cm wide, margin sharply serrulate, upper surface with major and minor veins deeply impressed, lower surface with major and minor veins sharply raised, midrib villous with some pubescence over blade. Petiole 8-13 mm long, glabrous. Shrub or small tree up to 6 m tall, young shoots glabrous, older branches smooth and gray. Distributed: Northwestern Guangxi; Elevation: 500-1,000 m; Spe-cific locality: Daotangshan (mountain), Longsheng County, Guangxi, China.

» Distribution

Northwestern Guangxi; Elevation: 500-1,000 m; Specific locality: Daotangshan (mountain), Longsheng County, Guangxi, China.
Chinese

» Description

多齿红山茶Camellia polyodonta How ex Hu in Acta Phytotax. Sinica, 10 135, 1965. 张宏达,1981. 《山茶属植物的系统研究》第58页。【标本】广西:临桂,宛田,黄作杰2084(模式标本);同地,华南植物所广福调查队 1021A;同地,冯晋庸1051;梁盛业,无号,中山大学标本号137640【形态特征】这个种的叶椭圆形,急长尖,锯齿极锐利,苞片及萼片15片,果实圆球形,果皮极厚,种子每室3-5个。梁盛业所采的标本,是从模式产地引种到南宁的,叶片长不过9厘米,宽4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67-68页。花鲜艳的红色至深粉红色,花径5.0~6.2厘米,顶生和腋生。鳞片12枚,逐渐脱落,基部小苞片几乎无毛,上部较大的苞片被柔毛。花瓣6~7枚,长4.5~5.3厘米,宽3.7~4.6厘米,阔倒卵形至倒心形,先端凹缺2~3毫米,基部与雄蕊柱连生10毫米。雄蕊略被柔毛,长3.8~4.5厘米,外轮花丝基部连生形成2.0厘米长短管。雌蕊长3.6~4.1厘 米,花柱先端3浅裂,基部被短柔毛,子房被柔毛。花期冬末至春初。蒴果球形至梨形,表皮黄褐色,直径5.0~ 8.0厘米,每室有种子3~5粒,果皮厚约1厘米。种子无毛。叶多为椭圆形至略微的倒阔卵形,先端渐尖至尾尖,基部阔楔形至圆形,长 7.4~13.2厘米,宽2.4~4.5厘米,边 缘具尖齿,叶面无毛,中脉和侧脉深凹陷,叶背有短柔毛,中脉被长柔毛,主脉和侧脉明显凸起。叶柄长8.0~13.0毫米,无毛。灌木或小乔木,高可达6米,嫩枝无毛,老枝光滑,灰色。分布:广西壮族自治区的西北部,海拔500- 1000米。 可寻地点:广西壮族自治区龙胜县倒塘山。

» Distribution

广西壮族自治区的西北部,海拔500~1000米。可寻地点:广西壮族自治区龙胜县倒塘山。
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