苦玄参Picria felterrae

中文名(Chinese Name):苦玄参
学名(Scientific Name):Picria felterrae Lour.
英文名(English Common Name):
别名(Chinese Common Name):
异名Synonym):Curanga amara Juss.  Curanga felterrae (Lour.) Merr.
科属Family & Genus):玄参科(Scrophulariaceae)苦玄参属
形态特征Description):草本,长达1米,基部匍匐或倾卧,节上生根;枝叉分,有条纹,被短糙毛,节常膨大。叶对生,有长达18毫米的柄;叶片卵形,有时几为圆形,长达5.5厘米,宽达3厘米,顶端急尖,基部常多少不等,延下于柄,边缘有圆钝锯齿,上面密布粗糙的短毛,下面脉上有糙毛,侧脉约4-5对,下面稍稍凸起。花序总状排列,有花4-8朵,总花梗与花梗均细弱,花梗长可达1厘米,向顶端膨大,苞片细小;萼裂片4,分生,外方之2片长圆状卵形,在果时长达14毫米,宽达10毫米,基部心脏形,有明显的网脉,其中前方一枚较小,常2浅裂,侧方2片几为条形,较短;花冠白色或红褐色,长约12毫米,管长约6.5毫米,中部稍稍细缩,上唇直立,基部很宽,向上转狭,几为长方形,顶端微缺,长约4.5毫米,下唇宽阔,长约6.5毫米,3裂,中裂向前突出;雄蕊4,前方一对退化,长约3.5毫米,着生于管喉,花丝自花喉至下唇中部完全贴着于花冠,凸起很高而密生长毛,顶端游离,膨大而弓曲,后方一对着生较低,长仅2.5毫米,花丝游离。蒴果卵形,长5-6毫米,室间2裂,包于宿存的萼片内;种子多数。
分布(Distribution):分布于广东、广西、贵州和云南南,印度至菲律宾也有。生于海拔750-1400米的疏林中及荒田中。
用途(Use):
引自中国植物志英文版:FOC Vol. 18 Page 29     
Picria felterrae Loureiro, Fl. Cochinch. 2: 393. 1790.
苦玄参 ku xuan shen| Scrophulariaceae  | Picria
Curanga amara Jussieu; C. felterrae (Loureiro) Merrill.
Herbs, to 1 m tall, rooting from lower nodes. Branches divaricate, striate. Petiole 0.5-2 cm; leaf blade ovate to sometimes suborbicular, to 5.5 X 3 cm, abaxially hispid on veins, adaxially short hispid, base cuneate, rounded, or truncate, margin crenate-serrate, apex acute; lateral veins 4 or 5 on each side of midrib. Racemes 4-8-flowered. Pedicel to 1 cm. Calyx lobes oblong-ovate, to 1.4 X 1 cm in fruit, veins conspicuously reticulate; lower lobe smaller than upper; upper lobe often apically 2-lobed; 2 lateral lobes linear. Corolla white or red-brown, ca. 1.2 cm; tube ca. 6.5 mm, constricted at middle; lower lip ca. 6.5 mm; upper lip erect, ca. 4.5 mm, base wide, apically narrowly suboblong, emarginate. Anterior filaments puberulent. Capsule ovoid, 5-6 mm.
Sparse forests, fields; 700-1400 m. Guangdong, Guangxi, Guizhou, S Yunnan [India, Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand, Vietnam].
 苦玄参Picria felterrae

苦玄参Picria felterrae
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