美丽梧桐Firmiana pulcherrima

中文名(Chinese Name):美丽梧桐
学名(Scientific Name):Firmiana pulcherrima H. H. Hsue
英文名(English Common Name):
别名(Chinese Common Name):美丽火桐
异名(Synonym):Erythropsis pulcherrima (Hsue) Hsue
科属(Family & Genus):梧桐科(Sterculiaceae)梧桐属
形态特征(Description):落叶乔木,高达18米;树皮灰白色或褐黑色;嫩枝干时紫色,近于无毛。叶异型,薄纸质,掌状3-5裂或全缘,长7-23厘米,宽7-19厘米,顶端尾状渐尖,基部截形或浅心形,仅在主脉的基部略被褐色星状短柔毛,中间的裂片长达14厘米,两侧的裂片长达9厘米,基生脉5条,叶脉在两面均凸出;叶柄长6 -17厘米,无毛。聚伞花序作圆锥花序式排列,长8-14厘米,密被棕红褐色星状短柔毛;花梗长3-4毫米;萼近钟形,长16毫米,宽8 毫米,顶端5浅裂,两面均密被棕红褐色星状短柔毛,在内面近基部有一圈白色长绒毛,萼的裂片三角形,长3毫米,雄花的雌雄蕊柄长2.4厘米,被星状毛,花药15-25枚聚生在雌雄蕊柄的顶端成头状并围绕退化雌蕊;退化雌蕊的心皮5枚,近于分离。果实未见。花期4-5月。
分布(Distribution):产海南,生于森林中和山谷溪旁。
用途(Use):
引自中国植物志英文版:FOC Vol. 12 Page 311, 312
Firmiana pulcherrima H. H. Hsue, Acta Phytotax. Sin. 8: 271. 1963.
美丽火桐 mei li huo tong| Sterculiaceae  | Firmiana
Erythropsis pulcherrima (H. H. Hsue) H. H. Hsue.
Deciduous trees, up to 18 m tall; bark gray-white or brown-black. Branchlets purple when desiccate, glabrate. Leaves heteromorphic; petiole 6-17 cm, glabrate; leaf blade 3-5-palmate or entire, 7-23 × 7-9 cm, middle lobe up to 14 cm, lateral lobes to 9 cm, papery, stellate puberulent at base of midrib only, basal veins 5, prominent on both surfaces, base truncate or subcordate, apex caudate. Inflorescence cymose, paniculate, 8-14 cm, densely brown-red stellate hairy. Pedicel 3-4 mm. Calyx nearly campanulate, ca. 16 × 8 mm, apically 5-lobed, abaxially densely brownish red stellate hairy, adaxially villous around base, lobes triangular, ca. 3 mm. Male flower: androgynophore ca. 24 mm, stellate hairy. Anthers 15-25, in capitate cluster, enclosing 5 sterile, nearly free, carpels. Female flower and fruit unknown. Fl. Apr-May.
● Forests, stream valleys. E Hainan.
 美丽梧桐Firmiana pulcherrima

美丽梧桐Firmiana pulcherrima
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