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锈色蛛毛苣苔Paraboea rufescens

时间:2013-11-11 14:27来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ): 锈色蛛毛苣苔 学名( Scientific Name ): Paraboea rufescens (Franch.) Burtt 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Boea rufescens Franch. Dorcoceras rufescens (Franc
中文名(Chinese Name):锈色蛛毛苣苔
学名(Scientific Name):Paraboea rufescens (Franch.) Burtt
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Boea rufescens Franch.  Dorcoceras rufescens (Franch.) Schltr.  Phylloboea henryi Duthie ex Bedd.  Boea rufescens var. seguini (H. Lév. et Vaniot) H. Lév.  Didymocarpus seguini H. Lév. et Vaniot
科属Family & Genus):苦苣苔科Gesneriaceae蛛毛苣苔属Paraboea
形态特征(Description):多年生草本。根状茎木质化,粗壮,长4.5-12厘米,直径4-10毫米;茎极短,长2-10厘米,密被锈色毡毛。叶对生,密集于茎近顶端,具叶柄;叶片长圆形或狭椭圆形,长3-12厘米,宽2-5.5厘米,顶端钝,基部圆形,边缘密生小钝齿,上面密被短糙伏毛,下面和叶柄密被锈色或灰色毡毛,侧脉每边5-6对,上面不明显,下面隆起;叶柄长1.5-7厘米。聚伞花序伞状,成对腋生,通常具5-10花;花序梗长4-8.5厘米,被锈色毡毛,果期逐渐脱落至近无毛;苞片2,卵形,长7-9毫米,宽4-6毫米,被锈色或灰色短毡毛;花梗细,长5-7毫米,被疏柔毛或近无毛。花萼5裂至近基部,裂片相等,线形,长约4毫米,近无毛。花冠狭钟形,淡紫色,稀紫红色,长约1.3厘米,直径约9毫米,外面无毛;筒短而宽,长约7毫米,直径约6毫米;檐部二唇形,上唇比下唇短,长6.5毫米,2裂,下唇长3.5毫米,3裂,裂片近相等,全部裂片近圆形,长3-4.5毫米,宽约4毫米,顶端圆形。雄蕊2,着生于花冠近基部,花丝上部膨大似囊状,具腺状短柔毛,下部弯曲变细而扁平,长4-5毫米,花药大,狭长圆形,两端尖,长3毫米,宽约1.5毫米,顶端连着;退化雄蕊2,长1.2-1.5毫米,着生于距花冠基部2毫米处。无花盘。雌蕊无毛,长约1厘米,子房狭长圆形,长约6毫米,直径约1.2毫米,花柱长4毫米,柱头1,头状。蒴果线形,长3.5-4.5厘米,直径1.2-2.3毫米,褐色,无毛,螺旋状卷曲。花期6月,果期8月。
分布(Distribution):产广西西南部、贵州南部及云南。生于山坡石山岩石隙间,海拔700-1500米。泰国北部及越南也有分布。
用途(Use):全草药用,治咳嗽、劳伤、痈疮红肿等症。
引自中国植物志英文版:FOC Vol. 18 Page 365
Paraboea rufescens (Franchet) B. L. Burtt, Notes Roy. Bot. Gard. Edinburgh. 38: 471. 1980.
锈色蛛毛苣苔 xiu se zhu mao ju tai | Gesneriaceae  | Paraboea
Subshrubs or herbs. Stems to 30 cm, brown pannose, glabrescent. Leaves opposite, mostly crowded near stem apex; petiole (0.5-)1-10 cm; leaf blade elliptic to obovate, ovate, or oblong, 3-20 X 1.5-10 cm, papery, adaxially densely puberulent to pubescent, abaxially densely rust-brown to gray pannose, base broadly cuneate to cordate, margin densely crenate-serrate, apex acute to rounded; lateral veins 5-10 on each side of midrib. Cymes axillary; peduncle 4-12 cm, rust-brown pannose; bracts 2, ovate to suborbicular, 7-12 X 4-11 mm, outside pannose. Pedicel 5-10 mm. Calyx 5-sect from base; segments narrowly oblong to lanceolate or linear, 3-4 X 0.5-1 mm, outside pannose, glabrescent. Corolla white to purplish, seldom purple-red, 1-1.3 cm, outside glabrous to sparsely glandular puberulent; tube 6-8 mm; adaxial lip ca. 3.5 mm, lobes ca. 3 X 4-5 mm; abaxial lip ca. 6.5 mm, lobes 3-4 X 4-5 mm. Filaments 3-5 mm, glandular puberulent; anthers 3-4 mm; staminodes 2, 1-1.5 mm. Pistil sparsely glandular puberulent to glabrous; ovary ca. 6 mm. Style ca. 4 mm. Capsule spirally twisted, 2.5-5 cm, glabrous. Fl. Jun-Sep, fr. Jun-Oct.
On rocks of limestone hills and valley forests; 200-1500 m. Guangdong, SW Guangxi, S Guizhou, E and S Yunnan [Thailand, N Vietnam].
 




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