锥序蛛毛苣苔Paraboea swinhoei

中文名(Chinese Name):锥序蛛毛苣苔
学名(Scientific Name):Paraboea swinhoei (Hance) Burtt
英文名(English Common Name):
别名(Chinese Common Name):旋荚木
异名(Synonym):
科属(Family & Genus):苦苣苔科(Gesneriaceae)蛛毛苣苔属
形态特征(Description):小灌木,高30-60厘米。茎圆柱形,不分枝,密被淡褐色毡毛。叶对生,具较长的柄;叶片长圆状披针形或披针形,长4-14厘米,宽2-4厘米,顶端渐尖,基部楔形或偏斜,近全缘或具疏锯齿,上面被灰白色绵毛,下面密被淡褐色毡毛,侧脉每边7-11条,下面稍隆起;叶柄长1-5厘米。聚伞花序伞状,组成圆锥状,顶生或成对腋生,具10-20花;花序梗被淡褐色绵毛;苞片2,卵形,长约5毫米,顶端圆形,被淡褐色毡毛;花梗细,长5-7毫米,被淡褐色绵毛,后变近无毛。花萼长2-2.5毫米,5裂至近基部,裂片相等,长圆形,长约1.2毫米,顶端钝,外面被疏柔毛。花冠白色,长4-6毫米,外面无毛;筒长约3毫米;上唇2裂,半圆形,长约1.5毫米,下唇3裂,比上唇稍长,裂片相等,卵圆形,长约2.3毫米。雄蕊2,无毛,花丝短,长约2毫米,不膨大,着生于距花冠基部1毫米处,花药狭长圆形,长约2毫米,顶端连着;退化雄蕊2,长1.5毫米,着生于距花冠基部1.2毫米处。无花盘。雌蕊无毛,子房狭卵形,长约2.5毫米,直径约1毫米,花柱长约3毫米,柱头1,头状。蒴果线形,长2-2.5厘米,直径约1.2毫米,顶端具短尖,螺旋状卷曲,褐色,无毛。花期6月,果期8月。
分布(Distribution):产贵州、广西、台湾。生于海拔300-750米山坡林下阴湿岩石上。泰国、越南至菲律宾也有分布。
用途(Use):
引自中国植物志英文版FOC Vol. 18 Page 364
Paraboea swinhoei (Hance) B. L. Burtt, Notes Roy. Bot. Gard. Edinburgh. 41: 439. 1984.
锥序蛛毛苣苔 zhui xu zhu mao ju tai | Gesneriaceae  | Paraboea
Boea swinhoei Hance, Ann. Sci. Nat. Bot., ser. 5, 5: 231. 1866.
Subshrubs. Stems 30-60 cm, densely brownish woolly, glabrescent. Leaves opposite, spread along stem; petiole 1-5 cm; leaf blade narrowly elliptic to elliptic-lanceolate, narrowly ovate, or narrowly obovate, 4-14 X 2-5 cm, papery, adaxially grayish woolly, glabrescent, abaxially brownish pannose, base sometimes oblique, cuneate to subcordate, margin subentire to serrate, apex abruptly acuminate to rounded; lateral veins 5-11 on each side of midrib. Cymes appearing terminal; peduncle 5-13 cm, brownish woolly; bracts 2, ovate-oblong, 3-10 mm, outside brownish pannose. Pedicel 5-8 mm. Calyx 1.5-2.5 mm, 5-sect from near base; segments narrowly oblong, 1.2-2.3 X 0.5-1 mm, outside pannose to glabrous. Corolla white, 4-6 mm, outside glabrous; tube 3-4 mm; adaxial lip 1.5-3 mm, lobes 1-2.5 X ca. 3.5 mm; abaxial lip 3-3.5 mm, lobes 2-2.5 X 2.5-3.5 mm. Filaments 2-3 mm, glabrous; anthers ca. 2 mm; staminodes 2 or 3, ca. 1.5 mm. Pistil glabrous; ovary 2.5-3 mm. Style 3-4 mm. Capsule spirally twisted, 2-2.5 cm, glabrous. Fl. Jun-Sep, Feb, fr. Jul-Sep.
Shady and damp rocks under forests; 300-1000 m. Guangxi, S Guizhou, Taiwan [Philippines, Thailand, Vietnam].
 锥序蛛毛苣苔Paraboea swinhoei

锥序蛛毛苣苔Paraboea swinhoei
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