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东南山茶Camellia edithae

时间:2013-11-25 17:09作者:徐晔春 点击: 次 标签: 山茶科 Theaceae 山茶属 Camellia
  中文名(Chinese Name):东南山茶
学名(Scientific Name): Camellia edithae Hance
英文名(English Common Name):
别名(Chinese Common Name): 尖萼红山茶
异名(Synonym):Thea edithae (Hance) Kuntze
科属(Family & Genus):山茶科Theaceae山茶属Camellia
形态特征(Description):灌木或小乔木,高3-4米,嫩枝被长茸毛。叶革质,卵状披针形或披针形,长7-17厘米,宽2.5-5.5厘米,先端长尖或尖尾状,基部微心形或圆形,上面深绿色,干后发亮,中脉有褐色茸毛,下面褐色,密生茸毛,侧脉7-9对,在上面陷下,在下面突起,边缘密生细锯齿,叶柄长1-3毫米,有茸毛花红色,1-2朵生枝顶,无柄;苞片及萼片9-10片,组成长约2.5厘米的苞被,自下向上从半圆形至阔卵形,最长达2.2厘米,先端尖,外侧被有长茸毛,半宿存;花瓣红色,长4厘米,5-6片,倒卵圆形,无毛,基部与雄蕊连生约1.5厘米,先端凹入;雄蕊长3厘米,外轮花丝基部连生1.5-2厘米,无毛;子房有毛。花柱长2-2.5厘米,基部连生,上部1/3分裂为3。蒴果圆球形,直径1.5-2厘米,3室,每室有种子1-2粒;果爿薄,厚1-2毫米,表面有疏毛,3爿裂开,下部有宿存萼片及苞片;种子半圆形,长1.2厘米,褐色。花期4-7月。
分布(Distribution):产广东,江西,福建。本种嫩枝有毛,叶披针形,基部心形,被毛,叶柄叶,花红,萼片卵形,先端尖,蒴果小,果爿薄,有宿存苞片及萼片。
用途(Use):
引自中国植物志英文版:  FOC Vol. 12 Page 403, 405
Camellia edithae Hance, Ann. Sci. Nat., Bot., sér. 4. 15: 221. 1861.
东南山茶 dong nan shan cha | Theaceae  | Camellia
Thea edithae (Hance) Kuntze.
Shrubs or trees, 2-7 m tall. Young branches grayish brown, glabrous; current year branchlets densely yellow spreading villous, indumentum ± persistent. Petiole 2-5 mm, thick, spreading villous; leaf blade ovate, long ovate, or lanceolate, 6-12.5(-15.5) × 2.5-4.5 cm, leathery, abaxially pale green and appressed villous but spreading villous along midvein, adaxially dark green, shiny, yellow spreading villous along midvein, and becoming yellowish brown when dry, midvein abaxially raised and adaxially impressed, secondary veins 7-9 on each side of midvein, abaxially raised, and adaxially impressed, base rounded to cordate, margin serrulate, apex acuminate to long acuminate. Flowers subterminal, solitary, 5-6 cm in diam., subsessile. Bracteoles and sepals 9-11; outer 2 or 3 bracteoles and sepals suborbicular, 4-6 mm, apex acute; inner bracteoles and sepals ovate, 1.5-2.5 cm, crustaceous, outside grayish yellow villous, inside white velutinous, margin scarious and ciliolate, apex acuminate. Petals 5 or 6, red, obovate, 2.5-4 × 2-3 cm, basally connate for ca. 1.5 cm, apex emarginate. Stamens 2.5-3 cm, glabrous; outer filament whorl basally connate for 1.5-2 cm. Ovary tomentose, 3-loculed; style ca. 2.5 cm, glabrous, apically 3-lobed. Capsule brown, oblate to subglobose, 1.5-2 cm in diam., 3-loculed with 1 or 2 seeds per locule; pericarp 1-2 mm thick when dry. Seeds brown, globose to semiglobose, 1-1.5 cm in diam. Fl. Jan-Mar, fr. Oct. 2n = 30*.



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