学名(拉丁名) | Pterospermum niveum |
中文名 | 台湾翅子树 |
命名人 | Vidal |
中文科名 | 梧桐科 |
拉丁属名 | Pterospermum |
类型 | species |
拉丁科名 | Sterculiaceae |
中文属名 | 翅子树属 |
学名(拉丁名) | Pterospermum niveum |
命名人 | Vidal (accepted name) |
拉丁属名 | Pterospermum |
类型 | species |
拉丁科名 | Malvaceae |
学名(拉丁名) | Pterospermum niveum |
命名人 | Vidal |
发表年份 | 1886(年) |
拉丁属名 | Pterospermum |
类型 | species |
拉丁科名 | Malvaceae |
学名(拉丁名) | Pterospermum niveum |
中文名 | 台湾翅子树 |
拉丁属名 | Pterospermum |
类型 | species |
拉丁科名 | Sterculiaceae |
学名(拉丁名) | Pterospermum niveum |
中文名 | 台湾翅子树 |
中文科名 | 梧桐科 |
拉丁属名 | Pterospermum |
类型 | species |
拉丁科名 | Sterculiaceae |
中文属名 | 翅子树属 |
学名(拉丁名) | Pterospermum niveum |
发表年份 | 1886(年) |
拉丁属名 | Pterospermum |
类型 | species |
拉丁科名 | Malvaceae |
学名 | 状态 | 来源 | 命名人 |
---|---|---|---|
Pterospermum formosanum | Synonym | The Plant List |
Pterospermum formosanum Matsumura.
Trees, to 20 m tall. Branchlets yellow stellate tomentose when young and glabrescent. Stipules lanceolate, ca. 8 mm; petiole 0.5-1 cm, gray-yellow velutinous; leaf blade oblong or oblong-lanceolate, 12-18 × 3.5-7 cm, abaxially densely gray-yellow velutinous, adaxially yellow velutinous near base of petiole, basal veins 5, impressed adaxially and prominently raised abaxially, base obliquely cordate, margin entire, apex acuminate or caudate. Flowers solitary, 5-7 cm in diam. Sepals linear-lanceolate, ca. 4.5 × 0.4 cm, abaxially yellow-brown velutinous, adaxially villous. Petals white, obovate, ca. 3.5 × 1.1 cm, apex obtuse. Staminodes filiform. Ovary ovoid, densely tomentose; style glabrous; stigma 5-lobed. Capsule cylindrical, or cylindrical-ellipsoid, 8-10 × ca. 3 cm, glabrous, apex acute and beaked. Seeds 3-4 cm including wing, apex obtuse.
Lowland forests. S Taiwan [Philippines].
Pterospermum niveum is possibly conspecific with P. celebicum Miquel. The type of P. formosanum has not been seen but the type locality and protologue description strongly suggest that it belongs here.
The timber is valued commercially.
6.台湾翅子树(植物分类学报)
Pterospermum niveum Vidal Rev. Pl. Vasc. Fillip. 67. 1886; Merr. in Philip. Journ. Sci. 1: Suppl. 93. 1906; Li Wood. Fl. Taiwan. 562-565, fig. 221. 1963. ——Pterospermum formosanum Matsum. in Bot. Mag. Tokyo 15: 53. 1901.
乔木,高达20米;小枝幼时被黄色星状茸毛、后几无毛。叶全缘,矩圆形或矩圆状披针形,长12-18.厘米,宽3.5-7厘米,顶端渐尖或尾状,基部斜心形,上面只在近叶柄的基部略被黄色茸毛,下面密被灰黄色茸毛,基生脉5条,上面凹陷,下面凸出;叶柄长5-10毫米,被灰黄色茸毛;托叶披针形,长8毫米。花单生于叶腋,直径5-7厘米;萼片5枚,条状披针形,近基部连合,长4.5厘米,宽4;毫米,外面被黄褐色茸毛,内面被长柔毛;花瓣5片,白色,倒卵形,顶端钝,长3.5厘米,宽11毫米;退化雄蕊5枚,线形;雄蕊15枚,每3枚集合成群并与退化雄蕊互生;子房卵圆形,密被柔毛,花柱无毛,柱头5裂。蒴果矩圆形,或矩圆状椭圆形,长8-10厘米,宽约3厘米,无毛,顶端锐尖如喙;种子具翅,连翅长3-4厘米,顶端钝。
产我国台湾(红头屿)。菲律宾群岛也有分布。