长柄银叶树Heritiera angustata
中文名(Chinese Name):长柄银叶树
学名(Scientific Name):Heritiera angustata Pierre
英文名(English Common Name):
别名(Chinese Common Name):大叶银叶树
异名(Synonym):Heritiera macrophylla Wall. et Voigt. :Merr.
科属(Family & Genus):梧桐科(Sterculiaceae)银叶树属
形态特征(Description):常绿乔木,高达12米,树皮灰色,小枝幼时被柔毛。叶革质,矩圆状披针形,全缘,长10-30厘米,宽5-15厘米,顶端渐尖或钝,基部尖锐或近心形,上面无毛,下面被银白色或略带金黄色的鳞秕;叶柄长2-9厘米;托叶条状披针形,早落。圆锥花序顶生或腋生,花红色;萼坛状,长约6毫米,宽2.5-4毫米,4-6浅裂,两面均被星状柔毛,裂片三角形;雄花的雌雄蕊柄长2-3毫米,花药8-12个群集在雌雄蕊柄顶端排成2环;雌花较少,且比雄花短,不育花药4-10枚围绕在子房基部;子房圆球形,略有5棱,被短柔毛,柱短,柱头5个。果为核果状,坚硬,椭圆形,褐色,长约3.5厘米,顶端有长约1厘米的翅;种子卵圆形。花期6-11月。
分布(Distribution):产海南和云南,生于山地或近海岸附近。
用途(Use):本种的心材灰褐色,结构细密,质坚而重,不受虫蛀,耐水浸泡,为做船板的良材。
引自中国植物志英文版:FOC Vol. 12 Page 313
Heritiera angustata Pierre, Fl. Forest. Cochinch. t. 204c. 1889.
长柄银叶树 chang bing yin ye shu| Sterculiaceae | Heritiera
Evergreen trees, up to 12 m tall; bark gray. Young branchlets pilose. Stipules linear-lanceolate, 2-9 cm, deciduous; leaf blade oblong-lanceolate, 10-30 × 5-15 cm, abaxially with silvery white or slightly golden scales, adaxially glabrous, base acute or subcordate, apex acuminate or obtuse. Inflorescence paniculate, terminal or axillary. Calyx red, urceolate, ca. 6 × 2.5-4 mm, 4-6-lobed, both surfaces stellate hairy, lobes triangular. Male flowers: androgynophore 2-3 mm. Anthers 8-12, in 2 rings. Female flowers shorter than male flowers; staminodes 4-10 around base of ovary. Ovary globose, slightly 5-angular, puberulent; style short; stigma 5-lobed. Fruit drupelike, brown, hard, ellipsoid, ca. 3.5 cm, apex with ca. 1 cm wing. Seeds ovoid. Fl. Jun-Nov.
Mountains, near coasts. SE Hainan, Yunnan [Cambodia].
(责任编辑:徐晔春)
学名(Scientific Name):Heritiera angustata Pierre
英文名(English Common Name):
别名(Chinese Common Name):大叶银叶树
异名(Synonym):Heritiera macrophylla Wall. et Voigt. :Merr.
科属(Family & Genus):梧桐科(Sterculiaceae)银叶树属
形态特征(Description):常绿乔木,高达12米,树皮灰色,小枝幼时被柔毛。叶革质,矩圆状披针形,全缘,长10-30厘米,宽5-15厘米,顶端渐尖或钝,基部尖锐或近心形,上面无毛,下面被银白色或略带金黄色的鳞秕;叶柄长2-9厘米;托叶条状披针形,早落。圆锥花序顶生或腋生,花红色;萼坛状,长约6毫米,宽2.5-4毫米,4-6浅裂,两面均被星状柔毛,裂片三角形;雄花的雌雄蕊柄长2-3毫米,花药8-12个群集在雌雄蕊柄顶端排成2环;雌花较少,且比雄花短,不育花药4-10枚围绕在子房基部;子房圆球形,略有5棱,被短柔毛,柱短,柱头5个。果为核果状,坚硬,椭圆形,褐色,长约3.5厘米,顶端有长约1厘米的翅;种子卵圆形。花期6-11月。
分布(Distribution):产海南和云南,生于山地或近海岸附近。
用途(Use):本种的心材灰褐色,结构细密,质坚而重,不受虫蛀,耐水浸泡,为做船板的良材。
引自中国植物志英文版:FOC Vol. 12 Page 313
Heritiera angustata Pierre, Fl. Forest. Cochinch. t. 204c. 1889.
长柄银叶树 chang bing yin ye shu| Sterculiaceae | Heritiera
Evergreen trees, up to 12 m tall; bark gray. Young branchlets pilose. Stipules linear-lanceolate, 2-9 cm, deciduous; leaf blade oblong-lanceolate, 10-30 × 5-15 cm, abaxially with silvery white or slightly golden scales, adaxially glabrous, base acute or subcordate, apex acuminate or obtuse. Inflorescence paniculate, terminal or axillary. Calyx red, urceolate, ca. 6 × 2.5-4 mm, 4-6-lobed, both surfaces stellate hairy, lobes triangular. Male flowers: androgynophore 2-3 mm. Anthers 8-12, in 2 rings. Female flowers shorter than male flowers; staminodes 4-10 around base of ovary. Ovary globose, slightly 5-angular, puberulent; style short; stigma 5-lobed. Fruit drupelike, brown, hard, ellipsoid, ca. 3.5 cm, apex with ca. 1 cm wing. Seeds ovoid. Fl. Jun-Nov.
Mountains, near coasts. SE Hainan, Yunnan [Cambodia].
(责任编辑:徐晔春)
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