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穿心莲Andrographis paniculata

时间:2013-07-15 16:20来源:未知 作者:徐晔春 点击:
穿心莲,Andrographis paniculata,一见喜,印度草,榄核莲






中文名(Chinese Name):穿心莲
学名(Scientific Name):Andrographis paniculata (Burm. f.) Nees
英文名(English Common Name):
别名(Chinese Common Name):一见喜、印度草、榄核莲
异名(Synonym):Andrographis paniculata var. glandulosa Trimen
科属(Family & Genus):爵床科(Acanthaceae)穿心莲属
形态特征(Description):一年生草本。茎高50-80厘米,4棱,下部多分枝,节膨大。叶卵状矩圆形至矩圆状披针形,长4-8厘米,宽1-2.5厘米,顶端略钝。花序轴上叶较小,总状花序顶生和腋生,集成大型圆锥花序;苞片和小苞片微小,长约1毫米;花萼裂片三角状披针形,长约3毫米,有腺毛和微毛;花冠白色而小,下唇带紫色班纹,长约12毫米,外有腺毛和短柔毛,2唇形,上唇微2裂,下唇3深裂,花冠筒与唇瓣等长;雄蕊2,花药2室,一室基部和花丝一侧有柔毛。蒴果扁,中有一沟,长约10毫米,疏生腺毛;种子12粒,四方形,有皱纹。
分布(Distribution):我国福建、广东、海南、广西、云南常见栽培,江苏、陕西亦有引种;原产地可能在南亚。澳大利亚也有栽培。
用途(Use):茎、叶极苦,有清热解毒之效。
 
引自中国植物志英文版FOC Vol. 19
Andrographis paniculata (N. L. Burman) Wallich ex Nees in Wallich, Pl. Asiat. Rar. 3: 116. 1832.
穿心莲 chuan xin lian | Acanthaceae  | Andrographis
Justicia paniculata N. L. Burman, Fl. Indica, 9. 1768.
Herbs to 50 cm tall, annual, much branched. Stems 4-angled, glabrous. Petiole 0.3-1 cm; leaf blade ovate-lanceolate, lanceolate, or narrowly elliptic, 1.5-7 × 1-2.5 cm, both surfaces glabrous, abaxially pale green, adaxially green, secondary veins 3-5 on each side of midvein, base attenuate and decurrent onto petiole, margin entire, apex acute to shortly acuminate. Inflorescences terminal, leafy panicles of secund racemes; rachis glabrous to sparsely pubescent; bracts triangular to subulate, 1-1.5 mm; bracteoles linear to subulate, 1-1.5 mm. Pedicel 2-9 mm, sparsely pubescent with gland-tipped and non-glandular trichomes (gland-tipped pubescent). Calyx 2.5-3 mm, outside glabrous or gland-tipped pubescent, lobes subulate. Corolla white, 0.9-1.5 cm, outside gland-tipped pubescent; tube basally funnelform for 4-8 mm; lower lip with purple dots, 5-7 mm, erect, lobes ca. 3 mm; upper lip 5-7 mm, reflexed, 2-lobed, lobes ca. 1 mm. Stamens exserted from corolla tube. Style 6-10 mm, sparsely pilose toward base. Capsule ellipsoid-compressed, 1.5-2 × 0.3-0.4 cm, glabrous or sparsely pubescent with gland-tipped trichomes, ca. 12-seeded. Seeds ca. 2 × 1.5 mm, rugose. Fl. and fr. throughout year. 2n = 50.
Cultivated or naturalized in Anhui, Fujian, Guangdong, Guangxi, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Yunnan, and Zhejiang [native to India and Sri Lanka; cultivated or naturalized in Cambodia, Indonesia, Laos, Malaysia, Myanmar, Thailand, Vietnam, and Caribbean].
This species is used medicinally.
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