多脉玉叶金花Mussaenda multinervis C. Y. Wu ex Hsue et . H. Wu
多脉玉叶金花Mussaenda multinervis C. Y. Wu ex Hsue et . H. Wu
11. 多脉玉叶金花（植物分类学报）
Mussaenda multinervis C. Y. Wu ex Hsue et H. Wu in Acta Phytotax. Sinica 24(3): 237, fig. 3. 1986.
灌木，高2-3米；嫩枝密被白色柔毛，老枝无毛，略有棱角。叶对生，膜质，广椭圆形或广卵形，长16-22厘米，宽8.5-12厘米，顶端短尖，基部狭窄，上面淡绿色，有极稀疏的贴伏柔毛，下面灰色，两面叶脉上的毛较密；侧脉11-12对，向上弧曲；叶柄长3厘米，略被毛；托叶纸质，卵状披针形，长1.3厘米，顶端渐尖，浅2裂。聚伞花序有总花梗，密被淡灰色柔毛；苞片膜质，披针形，长9毫米，密被柔毛；花梗短；花萼管坛状，长2.5毫米，略被毛，萼裂片披针形，长2毫米，外面被柔毛，内面无毛；花叶卵形，长4厘米，宽2.1厘米，顶端短尖，基部宽楔形，两面脉上被柔毛，柄长1.9厘米；花冠淡蓝色，花冠管长2.3厘米，中部以上略膨大，外面密被短柔毛，内面在上部密被黄色棒状毛，裂片卵圆形，长2.5毫米，具短尖头，外面疏被毛，内面密生黄色小疣点；雄蕊5枚，着生于花冠管近中部；花柱长2.2厘米，柱头2裂。浆果球形，直径约0.5厘米。花期5月。
我国特有，产于云南南部；生于丛林中。模式标本采自云南景洪勐海。
《Flora of China》 Vol. 19 (2011)
Mussaenda multinervis C. Y. Wu ex H. H. Hsue & H. Wu Acta Phytotax. Sin. 24: 237. 1986.
多脉玉叶金花 duo mai yu ye jin hua
Shrubs, 2-3 m tall; branches terete to angled, densely white pubescent to glabrescent. Leaves opposite; petiole ca. 3 cm, sparsely pubescent; blade drying membranous, adaxially drying pale green, abaxially gray, broadly elliptic or broadly ovate, 16-22 × 8.5-12 cm, adaxially sparsely appressed pubescent with pubescence denser on principal veins, abaxially glabrescent except densely appressed pubescent on principal veins, base acute, apex acute; secondary veins 11 or 12 pairs; stipules ovate-lanceolate, ca. 13 mm, acuminate and shortly 2-lobed. Inflorescence congested-cymose, ca. 4 × 8 cm, densely pale gray pilose, pedunculate or sessile and tripartite; bracts lanceolate, ca. 9 mm; pedicels ca. 1 mm. Flowers pedicellate, biology not noted. Calyx sparsely pubescent; hypanthium portion urceolate to ellipsoid, ca. 2.5 mm; lobes lanceolate, ca. 2 mm, with 1 lobe in ca. 3 flowers per inflorescence expanded into calycophyll, blade ovate, ca. 4 × 2.1 cm, densely pubescent along veins on both surfaces, base broadly cuneate, stipe ca. 19 mm, apex acute. Corolla pale blue, salverform, outside densely pubescent; tube ca. 23 mm, inside densely yellow clavate puberulent at upper part; lobes orbicular-ovate, ca. 2.5 mm, adaxially sparsely yellow papillose, mucronate. Berry globose, ca. 5 × 5 mm. Fl. May.
● Thickets, jungles; ca. 1500 m. S Yunnan.
The blue flowers, the lack of barbate pubescence in the throat of the tubular corolla (according to the protologue figure), and the apparently exserted stigmas (all these features are illustrated or described in the protologue) are quite anomalous features in Mussaenda.The blue flowers, the lack of barbate pubescence in the throat of the tubular corolla (according to the protologue figure), and the apparently exserted stigmas (all these features are illustrated or described in the protologue) are quite anomalous features in Mussaenda.
科名：茜草科 Rubiaceae
属名：玉叶金花属 Mussaenda
11. 多脉玉叶金花（植物分类学报）
Mussaenda multinervis C. Y. Wu ex Hsue et H. Wu in Acta Phytotax. Sinica 24(3): 237, fig. 3. 1986.
灌木，高2-3米；嫩枝密被白色柔毛，老枝无毛，略有棱角。叶对生，膜质，广椭圆形或广卵形，长16-22厘米，宽8.5-12厘米，顶端短尖，基部狭窄，上面淡绿色，有极稀疏的贴伏柔毛，下面灰色，两面叶脉上的毛较密；侧脉11-12对，向上弧曲；叶柄长3厘米，略被毛；托叶纸质，卵状披针形，长1.3厘米，顶端渐尖，浅2裂。聚伞花序有总花梗，密被淡灰色柔毛；苞片膜质，披针形，长9毫米，密被柔毛；花梗短；花萼管坛状，长2.5毫米，略被毛，萼裂片披针形，长2毫米，外面被柔毛，内面无毛；花叶卵形，长4厘米，宽2.1厘米，顶端短尖，基部宽楔形，两面脉上被柔毛，柄长1.9厘米；花冠淡蓝色，花冠管长2.3厘米，中部以上略膨大，外面密被短柔毛，内面在上部密被黄色棒状毛，裂片卵圆形，长2.5毫米，具短尖头，外面疏被毛，内面密生黄色小疣点；雄蕊5枚，着生于花冠管近中部；花柱长2.2厘米，柱头2裂。浆果球形，直径约0.5厘米。花期5月。
我国特有，产于云南南部；生于丛林中。模式标本采自云南景洪勐海。
《Flora of China》 Vol. 19 (2011)
Mussaenda multinervis C. Y. Wu ex H. H. Hsue & H. Wu Acta Phytotax. Sin. 24: 237. 1986.
多脉玉叶金花 duo mai yu ye jin hua
Shrubs, 2-3 m tall; branches terete to angled, densely white pubescent to glabrescent. Leaves opposite; petiole ca. 3 cm, sparsely pubescent; blade drying membranous, adaxially drying pale green, abaxially gray, broadly elliptic or broadly ovate, 16-22 × 8.5-12 cm, adaxially sparsely appressed pubescent with pubescence denser on principal veins, abaxially glabrescent except densely appressed pubescent on principal veins, base acute, apex acute; secondary veins 11 or 12 pairs; stipules ovate-lanceolate, ca. 13 mm, acuminate and shortly 2-lobed. Inflorescence congested-cymose, ca. 4 × 8 cm, densely pale gray pilose, pedunculate or sessile and tripartite; bracts lanceolate, ca. 9 mm; pedicels ca. 1 mm. Flowers pedicellate, biology not noted. Calyx sparsely pubescent; hypanthium portion urceolate to ellipsoid, ca. 2.5 mm; lobes lanceolate, ca. 2 mm, with 1 lobe in ca. 3 flowers per inflorescence expanded into calycophyll, blade ovate, ca. 4 × 2.1 cm, densely pubescent along veins on both surfaces, base broadly cuneate, stipe ca. 19 mm, apex acute. Corolla pale blue, salverform, outside densely pubescent; tube ca. 23 mm, inside densely yellow clavate puberulent at upper part; lobes orbicular-ovate, ca. 2.5 mm, adaxially sparsely yellow papillose, mucronate. Berry globose, ca. 5 × 5 mm. Fl. May.
● Thickets, jungles; ca. 1500 m. S Yunnan.
The blue flowers, the lack of barbate pubescence in the throat of the tubular corolla (according to the protologue figure), and the apparently exserted stigmas (all these features are illustrated or described in the protologue) are quite anomalous features in Mussaenda.The blue flowers, the lack of barbate pubescence in the throat of the tubular corolla (according to the protologue figure), and the apparently exserted stigmas (all these features are illustrated or described in the protologue) are quite anomalous features in Mussaenda.