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红花荷Rhodoleia championii

时间:2013-10-17 16:42来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):红花荷 学名( Scientific Name ): Rhodoleia championii Hook. f. 英文名( English Common Name ): 别名( Chinese Common Name ): 红苞木 异名( Synonym ): Rhodoleia latiovatifolia G. A. Fu Rhododendron hutchins
中文名(Chinese Name):红花荷
学名(Scientific Name):Rhodoleia championii Hook. f.
英文名(English Common Name):
别名(Chinese Common Name):红苞木
异名(Synonym):Rhodoleia latiovatifolia G. A. Fu  Rhododendron hutchinsonianum Fang
科属(Family & Genus):金缕梅科(Hamamelidaceae)红花荷属
形态特征(Description):常绿乔木高12米,嫩枝颇粗壮,无毛,干后皱缩,暗褐色。叶厚革质,卵形,长7-13厘米,宽4.5-6.5厘米,先端钝或略尖,基部阔楔形,有三出脉,上面深绿色,发亮,下面灰白色,无毛,干后有多数小瘤状突起;侧脉7-9对,在两面均明显,网脉不显著;叶柄长3-5.5厘米。头状花序长3-4厘米,常弯垂;花序柄长2-3厘米,有鳞状小苞片5-6片,总苞片卵圆形,大小不相等,最上部的较大,被褐色短柔毛;萼筒短,先端平截;花瓣匙形,长2.5-3.5厘米,宽6-8毫米,红色;雄蕊与花瓣等长,花丝无毛;子房无毛,花柱略短于雄蕊。头状果序宽2.5-3.5厘米,有蒴果5个;蒴果卵圆形,长1.2厘米,无宿存花柱,果皮薄木质,干后上半部4片裂开;种子扁平,黄褐色。花期3-4月。
分布(Distribution):分布于广东及香港的山地中。
用途(Use):
引自中国植物志英文版FOC Vol. 9 Page 25
Rhodoleia championii Hooker, Bot. Mag. 76: t. 4509. 1850.
红花荷 hong hua he | Hamamelidaceae  | Rhodoleia
Rhodoleia latiovatifolia G. A. Fu.
Trees, to 12 m tall; young branches stout, drying dark brown, glabrous. Petiole 3–5.5 cm; leaf blade ovate to broadly ovate, 7–16 × 4.5–10.5 cm, firmly leathery, drying discolorous, abaxially whitish gray, usually glabrous or sometimes with remains of brown stellate scales or stellate indumentum that appears tuberculate on drying, base broadly cuneate, apex obtuse or subacute; obscurely 3-veined at base, lateral veins 7–9 on each side at ca. 60° to midrib, conspicuous on both surfaces, reticulate veins obscure. Inflorescences 3–4 cm, 2.5–3.5 cm wide in fruit; peduncle 2–3.8 cm, with several scalelike bracts; involucral bracts many, ovate-rounded, brown pubescent; bracteoles 5 or 6, scalelike. Petals spatulate, 25–35(–40) × 4–8 mm. Stamens as long as petals, filaments glabrous, 1.5–2 cm, anthers 4–6 mm. Ovary glabrous; styles somewhat shorter than stamens. Capsules 5, ovoid-globose, ca. 1.2–1.5 cm, styles not persistent, pericarp thin-woody. Seeds yellow-brown, flattened. Fl. Feb–Apr, fr. May–Aug.
Forests; ca. 1000 m. C and W Guangdong, Guizhou, Hainan [Indonesia (Sumatra), W Malaysia, Myanmar, Vietnam].
Records of Rhodoleia championii from outside China must be treated with caution; collectors have commented on the similarity of the foliage to that of Rhododendron.








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