云南梧桐Firmiana major
中文名（Chinese Name）：云南梧桐
学名（Scientific Name）：Firmiana major (W. W. Smith) Hand.-Mazz.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Hildegardia major (W. W. Sm.) Kosterm. Sterculia platanifolia var. major W. W. Sm.
科属（Family & Genus）：梧桐科（Sterculiaceae）梧桐属
形态特征（Description）：落叶乔木，高达15米；树干直，树皮青带灰黑色，略粗糙；小枝粗壮，被短柔毛。叶掌状3裂，长17-30厘米，宽19-40厘米，宽度常比长度大，顶端急尖或渐尖，基部心形，上面几无毛，下面密被黄褐色短茸毛，后来逐渐脱落，基生脉5-7条，叶柄粗壮，长15-45厘米，初被短柔毛，后无毛。圆锥花序顶生或腋生，花紫红色；萼5深裂几至基部，萼片条形或矩圆状条形，长约12毫米，被毛；雄花的雌雄蕊柄长管状，花药集生在雌雄蕊柄顶端成头状；雌花的子房具长柄，子房5室，外被茸毛，胚珠多数，有不发育的雄蕊。蓇葖果膜质，长约7厘米，宽4.5厘米，几无毛；种子圆球形，直径约8毫米，黄褐色，表面有绉纹，着生在心皮边缘的近基部。花期6-7月，果熟期10月。
分布（Distribution）：产云南及四川西，生于海拔1600-3000米的山地或坡地、村边、路边也常见。
用途（Use）：本种的木材轻软、色白，为制箱匣，乐器的良材，种子可榨油，树皮可做绳索。又因其枝叶茂盛，为优良的庭园树和行道树。
引自中国植物志英文版：FOC Vol. 12 Page 311
Firmiana major (W. W. Smith) Handel-Mazzetti, Anz. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 60: 96. 1924.
云南梧桐 yun nan wu tong | Sterculiaceae | Firmiana
Sterculia platanifolia Linnaeus f. var. major W. W. Smith, Notes Roy. Bot. Gard. Edinburgh 9: 130. 1916; Hildegardia major (W. W. Smith) Kostermans.
Deciduous trees, up to 15 m tall; trunk erect; bark greenish gray-black, rough. Branchlets robust, puberulent. Petiole robust, 15-45 cm, puberulent at first, glabrescent; leaf blade palmately 3-lobed, 17-30 × 19-40 cm, usually wider than long, abaxially densely yellow-brown puberulent, glabrescent, adaxially glabrous, basal veins 5-7, base cordate, apex acute or acuminate. Inflorescence paniculate, terminal or axillary. Calyx purple-red, ca. 12 mm, hairy, divided nearly to base, lobes linear or oblong-linear. Male flowers: androgynophore long, tube-shaped. Female flowers: ovary long stalked, abaxially velutinous; ovules many; staminodes present. Follicle membranous, ca. 7 × 4.5 cm, nearly glabrous. Seeds yellow-brown, globose, ca. 8 mm, wrinkled. Fl. Jun-Jul, fr. Oct.
● Slopes; 1600-3000 m. SW Sichuan, C, S, and W Yunnan.
The synonym Hildegardia major was the source of the report in Bayer and Kubitzki (Fam. Gen. Vasc. Pl. 5: 265. 2003) that the genus Hildegardia Schott & Endlicher occurs in China.
（责任编辑：徐晔春）
学名（Scientific Name）：Firmiana major (W. W. Smith) Hand.-Mazz.
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Hildegardia major (W. W. Sm.) Kosterm. Sterculia platanifolia var. major W. W. Sm.
科属（Family & Genus）：梧桐科（Sterculiaceae）梧桐属
形态特征（Description）：落叶乔木，高达15米；树干直，树皮青带灰黑色，略粗糙；小枝粗壮，被短柔毛。叶掌状3裂，长17-30厘米，宽19-40厘米，宽度常比长度大，顶端急尖或渐尖，基部心形，上面几无毛，下面密被黄褐色短茸毛，后来逐渐脱落，基生脉5-7条，叶柄粗壮，长15-45厘米，初被短柔毛，后无毛。圆锥花序顶生或腋生，花紫红色；萼5深裂几至基部，萼片条形或矩圆状条形，长约12毫米，被毛；雄花的雌雄蕊柄长管状，花药集生在雌雄蕊柄顶端成头状；雌花的子房具长柄，子房5室，外被茸毛，胚珠多数，有不发育的雄蕊。蓇葖果膜质，长约7厘米，宽4.5厘米，几无毛；种子圆球形，直径约8毫米，黄褐色，表面有绉纹，着生在心皮边缘的近基部。花期6-7月，果熟期10月。
分布（Distribution）：产云南及四川西，生于海拔1600-3000米的山地或坡地、村边、路边也常见。
用途（Use）：本种的木材轻软、色白，为制箱匣，乐器的良材，种子可榨油，树皮可做绳索。又因其枝叶茂盛，为优良的庭园树和行道树。
引自中国植物志英文版：FOC Vol. 12 Page 311
Firmiana major (W. W. Smith) Handel-Mazzetti, Anz. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 60: 96. 1924.
云南梧桐 yun nan wu tong | Sterculiaceae | Firmiana
Sterculia platanifolia Linnaeus f. var. major W. W. Smith, Notes Roy. Bot. Gard. Edinburgh 9: 130. 1916; Hildegardia major (W. W. Smith) Kostermans.
Deciduous trees, up to 15 m tall; trunk erect; bark greenish gray-black, rough. Branchlets robust, puberulent. Petiole robust, 15-45 cm, puberulent at first, glabrescent; leaf blade palmately 3-lobed, 17-30 × 19-40 cm, usually wider than long, abaxially densely yellow-brown puberulent, glabrescent, adaxially glabrous, basal veins 5-7, base cordate, apex acute or acuminate. Inflorescence paniculate, terminal or axillary. Calyx purple-red, ca. 12 mm, hairy, divided nearly to base, lobes linear or oblong-linear. Male flowers: androgynophore long, tube-shaped. Female flowers: ovary long stalked, abaxially velutinous; ovules many; staminodes present. Follicle membranous, ca. 7 × 4.5 cm, nearly glabrous. Seeds yellow-brown, globose, ca. 8 mm, wrinkled. Fl. Jun-Jul, fr. Oct.
● Slopes; 1600-3000 m. SW Sichuan, C, S, and W Yunnan.
The synonym Hildegardia major was the source of the report in Bayer and Kubitzki (Fam. Gen. Vasc. Pl. 5: 265. 2003) that the genus Hildegardia Schott & Endlicher occurs in China.
（责任编辑：徐晔春）
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