杜根藤Justicia quadrifaria
中文名（Chinese Name）：杜根藤
学名（Scientific Name）： Justicia quadrifaria T.Anderson
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Calophanoides quadrifaria (Nees) Ridl. Adhatoda zollingeriana Nees Adhatoda quadrifaria Nees Gendarussa quadrifaria Nees Ecbolium quadifarium (Wall.) Kuntze
科属（Family & Genus）：爵床科Acanthaceae爵床属Justicia
形态特征（Description）：草本，茎基部匍匐，下部节上生根，后直立，近4棱形，在两相对面具沟，幼时被短柔毛，后近圆柱形而无毛。叶有柄，柄长0.4-1.5-(2)厘米，叶片矩圆形或披针形，基部锐尖，先端短渐尖，边缘常具有间距的小齿，背面脉上无毛或被微柔毛，长2.5-8（-10）厘米，宽1-3.5厘米，叶片干时黄褐色。花序腋生，苞片卵形，倒卵圆形，长8毫米，宽5毫米，具3-4毫米柄，具羽脉，两面疏被短柔毛；小苞片线形，无毛，长1毫米，花萼裂片线状披针形，被微柔毛，长5-6毫米。花冠白色，具红色斑点，被疏柔毛；上唇直立，2浅裂，下唇3深裂，开展；雄蕊2，花药2室，上下叠生，下方药室具距。蒴果无毛，长8毫米；种子无毛，被小瘤。
分布（Distribution）：产湖北（宜昌）、重庆（巫山）、广西（天峨）、广东（罗浮山）、海南（保亭）、云南（景东、潞西、勐腊、双江）。生于海拔850-1600米。印度东北部[阿萨姆、卡西山区（模式标本产地，未见模式标本）]、缅甸、泰国、越南、印度尼西亚爪哇也有分布。
用途（Use）：
引自中国植物志英文版： FOC Vol. 19 Page 450, 455
Justicia quadrifaria (Nees) T. Anderson, J. Linn. Soc., Bot. 9: 514. 1867.
杜根藤 du gen teng | Acanthaceae | Justicia
Gendarussa quadrifaria Nees in Wallich, Pl. Asiat. Rar. 3: 105. 1832; Adhatoda quadrifaria (Nees) Nees; A. zollingeriana Nees; Calophanoides quadrifaria (Nees) Ridley.
Herbs. Stems 4-angled, basally decumbent and usually rooting at nodes then erect, sulcate, bifariously pubescent, soon glabrescent. Petiole 0.4-2.5 cm, sparsely pubescent; leaf blade oblong, lanceolate, to rarely orbicular, (2-)6-8 × (1-)2-3.5 cm, both surfaces glabrous or only pubescent along veins, secondary veins 5-7 on each side of midvein, base narrowly cuneate and decurrent onto petiole, margin entire or slightly serrate, apex acute. Spikes axillary, ca. 1 cm, usually 3-flowered, solitary or several in a cluster; bracts with a 3-4 mm petiole, ovate to obovate, 3-8 × 3-5 mm, sparsely pubescent, pinnately veined, apex obtuse; bracteoles linear, ca. 1 mm, glabrous. Calyx 5-6 mm, outside puberulent, 5-lobed almost to base; lobes linear-lanceolate. Corolla white with purple spots on lower lip, ca. 8 mm, outside pubescent; lower lip ca. 4 × 3 mm, patent, apex 3-lobed; upper lip oblong, erect, apex 2-lobed. Anthers with thecae superposed, lower ones spurred at base. Ovary glabrous; style ca. 6 mm, sparsely hirsute. Capsule ca. 8 mm, glabrous. Seeds ovate in outline, ca. 1.5 × 1 mm, verruculose, glabrous.
On rock in forested valleys; 800-1600 m. Chongqing, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Sichuan, Yunnan [India, Indonesia, Laos, Myanmar, Thailand, Vietnam].
（责任编辑：徐晔春）
学名（Scientific Name）： Justicia quadrifaria T.Anderson
英文名（English Common Name）：
别名（Chinese Common Name）：
异名（Synonym）：Calophanoides quadrifaria (Nees) Ridl. Adhatoda zollingeriana Nees Adhatoda quadrifaria Nees Gendarussa quadrifaria Nees Ecbolium quadifarium (Wall.) Kuntze
科属（Family & Genus）：爵床科Acanthaceae爵床属Justicia
形态特征（Description）：草本，茎基部匍匐，下部节上生根，后直立，近4棱形，在两相对面具沟，幼时被短柔毛，后近圆柱形而无毛。叶有柄，柄长0.4-1.5-(2)厘米，叶片矩圆形或披针形，基部锐尖，先端短渐尖，边缘常具有间距的小齿，背面脉上无毛或被微柔毛，长2.5-8（-10）厘米，宽1-3.5厘米，叶片干时黄褐色。花序腋生，苞片卵形，倒卵圆形，长8毫米，宽5毫米，具3-4毫米柄，具羽脉，两面疏被短柔毛；小苞片线形，无毛，长1毫米，花萼裂片线状披针形，被微柔毛，长5-6毫米。花冠白色，具红色斑点，被疏柔毛；上唇直立，2浅裂，下唇3深裂，开展；雄蕊2，花药2室，上下叠生，下方药室具距。蒴果无毛，长8毫米；种子无毛，被小瘤。
分布（Distribution）：产湖北（宜昌）、重庆（巫山）、广西（天峨）、广东（罗浮山）、海南（保亭）、云南（景东、潞西、勐腊、双江）。生于海拔850-1600米。印度东北部[阿萨姆、卡西山区（模式标本产地，未见模式标本）]、缅甸、泰国、越南、印度尼西亚爪哇也有分布。
用途（Use）：
引自中国植物志英文版： FOC Vol. 19 Page 450, 455
Justicia quadrifaria (Nees) T. Anderson, J. Linn. Soc., Bot. 9: 514. 1867.
杜根藤 du gen teng | Acanthaceae | Justicia
Gendarussa quadrifaria Nees in Wallich, Pl. Asiat. Rar. 3: 105. 1832; Adhatoda quadrifaria (Nees) Nees; A. zollingeriana Nees; Calophanoides quadrifaria (Nees) Ridley.
Herbs. Stems 4-angled, basally decumbent and usually rooting at nodes then erect, sulcate, bifariously pubescent, soon glabrescent. Petiole 0.4-2.5 cm, sparsely pubescent; leaf blade oblong, lanceolate, to rarely orbicular, (2-)6-8 × (1-)2-3.5 cm, both surfaces glabrous or only pubescent along veins, secondary veins 5-7 on each side of midvein, base narrowly cuneate and decurrent onto petiole, margin entire or slightly serrate, apex acute. Spikes axillary, ca. 1 cm, usually 3-flowered, solitary or several in a cluster; bracts with a 3-4 mm petiole, ovate to obovate, 3-8 × 3-5 mm, sparsely pubescent, pinnately veined, apex obtuse; bracteoles linear, ca. 1 mm, glabrous. Calyx 5-6 mm, outside puberulent, 5-lobed almost to base; lobes linear-lanceolate. Corolla white with purple spots on lower lip, ca. 8 mm, outside pubescent; lower lip ca. 4 × 3 mm, patent, apex 3-lobed; upper lip oblong, erect, apex 2-lobed. Anthers with thecae superposed, lower ones spurred at base. Ovary glabrous; style ca. 6 mm, sparsely hirsute. Capsule ca. 8 mm, glabrous. Seeds ovate in outline, ca. 1.5 × 1 mm, verruculose, glabrous.
On rock in forested valleys; 800-1600 m. Chongqing, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Sichuan, Yunnan [India, Indonesia, Laos, Myanmar, Thailand, Vietnam].
（责任编辑：徐晔春）
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