海南梧桐Firmiana hainanensis Kosterm.
海南梧桐Firmiana hainanensis Kosterm.
2．海南梧桐（海南植物志）图版37：8-9
Firmiana hainanensis Kosterm. in Reinwardtia 4 (2): 308. fig. 11. 1957 et 5; 389. 1961, pro parte excl. F. C. How 70591 et H. Fung 20656; 陈焕镛等, 海南植物志2: 75, 1965.
乔木，高达16米，胸径达45厘米；树皮灰白色，枝条平滑。叶卵形，全缘，长7-14厘米，宽5-12厘米，顶端钝或急尖，基部截形或略成浅心形，上面无毛，下面密被灰白色星状短柔毛，基生脉5条，中间的叶脉每边有侧脉4-5条；叶柄长4-16厘米，被稀疏的淡黄色星状短柔毛。圆锥花序顶生或腋生，长达20厘米，密被淡黄褐色星状短柔毛；花黄白色，萼片5枚，近于分离，条状披针形，长9毫米，宽1.5毫米，外面密被淡黄褐色星状短柔毛，内面只在基部有绵毛；雄花的雌雄蕊柄与萼等长，顶端5浅裂，花药15枚聚集在雌雄蕊柄顶端成头状；雌花的子房卵形，长2.5毫米，有5条纵沟，密被星状毛。蓇葖果卵形，长7厘米，宽3厘米，顶端急尖或微凹，略被单毛及星状短柔毛，每蓇葖有种子3-5个；种子圆球形，成熟时黄褐色，直径约6毫米。花期4月。
产海南岛昌江和琼中嘉积，喜生于沙质土上。
《Flora of China》 Vol. 12 (2007)
Firmiana hainanensis Kostermans
海南梧桐 hai nan wu tong
Trees, up to 16 m tall, 45 cm d.b.h.; bark gray. Branches smooth. Petiole 4-16 cm, yellowish stellate pilose; leaf blade ovate, 7-14 × 5-12 cm, abaxially gray-white, densely stellate pubescent, adaxially glabrous, basal veins 5, lateral veins 4-5 on each side of midrib, base truncate or subcordate, apex obtuse or acute. Inflorescence paniculate, terminal or axillary, to 20 cm, densely yellowish brown stellate pubescent. Calyx yellow-white, ca. 9 mm, divided nearly to base, abaxially densely yellow-brown stellate pubescent, adaxially basally woolly, lobes linear-lanceolate, ca. 1.5 mm wide. Male flower: androgynophore as long as calyx, apex 5-lobed. Anthers 15, in capitate fascicle. Female flower: ovary ovoid, ca. 2.5 mm, longitudinally 5-grooved, densely stellate hairy. Follicle ovoid, ca. 7 × 3 cm, 3-5-seeded, abaxially minutely hairy with simple hairs and stellate pubescence, apex acute or emarginate. Seeds yellow-brown when mature, ellipsoid, ca. 6 mm. Fl. Apr.
● Sandy soils. C and W Hainan.
科名：梧桐科 Sterculiaceae
属名：梧桐属 Firmiana
2．海南梧桐（海南植物志）图版37：8-9
Firmiana hainanensis Kosterm. in Reinwardtia 4 (2): 308. fig. 11. 1957 et 5; 389. 1961, pro parte excl. F. C. How 70591 et H. Fung 20656; 陈焕镛等, 海南植物志2: 75, 1965.
乔木，高达16米，胸径达45厘米；树皮灰白色，枝条平滑。叶卵形，全缘，长7-14厘米，宽5-12厘米，顶端钝或急尖，基部截形或略成浅心形，上面无毛，下面密被灰白色星状短柔毛，基生脉5条，中间的叶脉每边有侧脉4-5条；叶柄长4-16厘米，被稀疏的淡黄色星状短柔毛。圆锥花序顶生或腋生，长达20厘米，密被淡黄褐色星状短柔毛；花黄白色，萼片5枚，近于分离，条状披针形，长9毫米，宽1.5毫米，外面密被淡黄褐色星状短柔毛，内面只在基部有绵毛；雄花的雌雄蕊柄与萼等长，顶端5浅裂，花药15枚聚集在雌雄蕊柄顶端成头状；雌花的子房卵形，长2.5毫米，有5条纵沟，密被星状毛。蓇葖果卵形，长7厘米，宽3厘米，顶端急尖或微凹，略被单毛及星状短柔毛，每蓇葖有种子3-5个；种子圆球形，成熟时黄褐色，直径约6毫米。花期4月。
产海南岛昌江和琼中嘉积，喜生于沙质土上。
《Flora of China》 Vol. 12 (2007)
Firmiana hainanensis Kostermans
海南梧桐 hai nan wu tong
Trees, up to 16 m tall, 45 cm d.b.h.; bark gray. Branches smooth. Petiole 4-16 cm, yellowish stellate pilose; leaf blade ovate, 7-14 × 5-12 cm, abaxially gray-white, densely stellate pubescent, adaxially glabrous, basal veins 5, lateral veins 4-5 on each side of midrib, base truncate or subcordate, apex obtuse or acute. Inflorescence paniculate, terminal or axillary, to 20 cm, densely yellowish brown stellate pubescent. Calyx yellow-white, ca. 9 mm, divided nearly to base, abaxially densely yellow-brown stellate pubescent, adaxially basally woolly, lobes linear-lanceolate, ca. 1.5 mm wide. Male flower: androgynophore as long as calyx, apex 5-lobed. Anthers 15, in capitate fascicle. Female flower: ovary ovoid, ca. 2.5 mm, longitudinally 5-grooved, densely stellate hairy. Follicle ovoid, ca. 7 × 3 cm, 3-5-seeded, abaxially minutely hairy with simple hairs and stellate pubescence, apex acute or emarginate. Seeds yellow-brown when mature, ellipsoid, ca. 6 mm. Fl. Apr.
● Sandy soils. C and W Hainan.