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长尖芒毛苣苔Aeschynanthus acuminatissimus W. T. Wang

长尖芒毛苣苔Aeschynanthus acuminatissimus W. T. Wang

别名:芒毛苣苔;

科名:苦苣苔科 Gesneriaceae

属名:芒毛苣苔属 Aeschynanthus

《中国植物志》第69卷510页
  9.长尖芒毛苣苔(植物分类学报)图版140: 6-8
  Aeschynanthus acuminatissimus W. T. Wang in Acta Phytotax. Sin. 13 (2) : 64. 1975; in Phytologia 45(4): 306. 1980, transl. by Wetzel and Skog; H. W. Li in Acta Bot. Yunnan. 5(1) : 32. 1983.
  附生攀援小灌木。茎分枝,无毛。叶对生,无毛;叶片薄革质,披针形或椭圆形,长5.8-7.4厘米,宽1.4-2.5厘米,顶端长渐尖或近尾状(尾状尖头有时镰状弯曲),基部钝或微圆,边缘全缘,侧脉不明显,下面密布淡褐色斑点;叶柄长3-4毫米。花单朵腋生;花梗长约1厘米,无毛。花萼钟状,长约7.5(-10)毫米,无毛,5裂至基部,裂片披针状钻形,宽约0.8(-1.1)毫米,有1条纵脉。花冠红色,长约2.8厘米,外面无毛,内面有短柔毛;筒长约2.2厘米,口部直径约6毫米;上唇长约5毫米,2深裂,下唇长约7毫米,3深裂,裂片宽卵形。雄蕊长达花冠口部稍上处,花丝着生于花冠筒中部之上,距花冠基部1.6-1.9厘米处,长9-11毫米,疏被短柔毛,花药长约2毫米,无毛;退化雄蕊着生于距花冠基部约1.2厘米之处,长约1毫米,无毛。花盘环状,高约1毫米。雌蕊长约2.9厘米,无毛,子房线形,长约1.9厘米,柱头扁球形,直径1.8毫米。蒴果条形,长约8厘米,宽3.5毫米,稍镰状弯曲,无毛。种子狭线形,长约1.1毫米,每端各有1根毛,毛长1.5-2毫米。花期8月。
  产云南西畴。生于山谷密林中树上,海拔1200-1500米。
形态特征:附生攀援小灌木。茎分枝,无毛。叶对生,无毛;叶片薄革质,披针形或椭圆形,长5.8—7.4厘米,宽1.4—2.5厘米,顶端长渐尖或近尾状(尾状尖头有时镰状弯曲),基部钝或微圆,边缘全缘,侧脉不明显,下面密布淡褐色斑点;叶柄长3—4毫米。花单朵腋生;花梗长约1厘米,无毛。花萼钟状,长约7.5(一10)毫米,无毛,5裂至基部,裂片披针状钻形,宽约0.8(—1.1)毫米,有1条纵脉。花冠红色,长约2.8厘米,外面无毛。内面有短柔毛;筒长约2.2厘米,口部直径约6毫米;上唇长约5毫米,2深裂,下唇长约7毫米,3深裂,裂片宽卵形。雄蕊长达花冠口部稍上处,花丝着生于花冠筒中部之上,距花冠基部1.6—1.9厘米处,长9—11毫米,疏被短柔毛,花药长约2毫米,无毛;退化雄蕊着生于距花冠基部约1.2厘米之处,长约1毫米,无毛。花盘环状,高约1毫米。雌蕊长约2.9厘米,无毛,子房线形,长约1.9厘米,柱头扁球形,直径1.8毫米。蒴果条形,长约8厘米,宽3.5毫米,稍镰状弯曲,无毛。种子狭线形,长约1.1毫米,每端各有1根毛,毛长1.5—2毫米。花期8月。
产地分布:产云南西畴。生于山谷密林中树上,海拔1200—1500米。
参考文献:W.T.WanginActaPhytotax.Sin.13(2):64.1975;inPhytologia45(4):306.1980,transl.byWetzelandSkog;H.W.LiinActaBot.Yunnan.5(1):32.1983.

《Flora of China》 Vol. 18 (1998)
Aeschynanthus acuminatissimus  W. T. Wang
长尖芒毛苣苔   chang jian mang mao ju tai
Stems ca. 30 cm, glabrous. Leaves opposite; petiole 3-4 mm; leaf blade lanceolate to elliptic, 5.8-7.4 X 1.4-2.5 cm, thin leathery, glabrous, adaxially drying smooth, abaxially densely punctate, base broadly cuneate to nearly rounded, margin entire, apex long acuminate to caudate; lateral veins indistinct. Cymes axillary, 1-flowered; peduncle absent; bracts deciduous. Pedicel ca. 1 cm, glabrous. Calyx reddish, 5-sect from base; segments lanceolate-subulate, 7.5-10 X 0.8-1.1 mm, outside glabrous. Corolla red, ca. 2.8 cm, outside glabrous, inside puberulent, without tufts of hairs, mouth not oblique; limb indistinctly 2-lipped; adaxial lip ca. 5 mm; abaxial lip ca. 7 mm. Stamens exserted; filaments 0.9-1.1 cm; anthers coherent in pairs at apex, ca. 2 mm; staminode ca. 1 mm. Pistil ca. 2.9 cm; ovary glabrous. Style ca. 1 cm, glabrous. Capsule ca. 8 cm. Seeds with 1 hairlike appendage at each end, appendages 2.2-3.2 mm. Fl. Aug.
* On trees in densely forested valleys; 1200-1500 m. SE Yunnan (Xichou Xian).

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