针子草Rhaphidospora vagabunda (R. Ben.) C. Y. Wu ex Y. C. Tang
针子草Rhaphidospora vagabunda (R. Ben.) C. Y. Wu ex Y. C. Tang
1．针子草（中国高等植物图鉴）图版39：1-4
Rhaphidospora vagabunda (R. Ben) C. Y. Wu ex Y. C. Tang,中国高等植物图鉴4: 173.图5760 et 916(index)1975. comb. subnuda; 云南种子植物名录(下册): 1683. 1984. ——Justicia vagabunda R. Ben. in Not. Syst. 4: 114. 1936. latine et in H. Lec. Fl. Gen. Indo-Chine 4: 734. 1935.
攀援状灌木。茎圆柱形，无棱条，略“之”字形曲折，光滑无毛。叶矩圆状披针形、顶端渐尖、通长镰状弯曲，基部两侧略不等、全缘或略波状，长6-14厘米，宽2-5厘米，上面深绿色，下面淡绿色，两面脉均明显凸出，中脉上有疏微毛。3歧聚伞花序腋生，长约2厘米，总花梗极短，长4-6毫米，密生微毛；苞片钻形，长1-2毫米；小苞片2-5毫米；花萼裂片5，矩圆状披针形，长约3.5毫米，与苞片均密生微毛；花冠白色带蓝色条纹，长10-11毫米，外有微毛，2唇形，花冠筒与唇瓣几等长，上唇三角形，顶端凹，下唇具3裂片，中裂片甚宽于侧裂片；雄蕊2，着生于花冠喉口，2花药室不等高，下面一枚基部具距；花柱下部和子房顶部具微毛。
产云南南部（西双版纳）。生疏林下，灌丛、沟边、密林潮湿处。越南（模式标本产地为北部，常见）也有。
《Flora of China》 Vol. 19 (2011)
Justicia vagabunda Benoist Notul. Syst. (Paris). 5: 114. 1936.
针子草 zhen zi cao
Rhaphidospora vagabunda (Benoist) C. Y. Wu ex C. C. Hu.
Shrubs to 1.3 m tall. Stems terete, zigzag, glabrous. Petiole 7-12 mm; leaf blade oblong-lanceolate, 6-14 × 2-5 cm, glabrous or sometimes pilose along midvein, base obliquely cuneate, margin entire or slightly undulate, apex acute to falcate. Cymes axillary, ca. 2 cm; peduncle 4-6 mm, pubescent; bracts subulate, 1-2 mm, pilose; bracteoles 2-5 mm, pilose. Calyx ca. 3.5 mm, outside pubescent; lobes 5, oblong-lanceolate. Corolla white with blue lines, 1-1.1 cm, outside pubescent; tube as long as limb; lower lip 3-lobed; upper lip triangular, apex emarginate. Staminal filaments ca. 4 mm, glabrous; anther thecae superposed, lower one spurred at base. Ovary pubescent at tip; style basal portion hirsute. Capsule not seen.
Forests, thickets, streamsides; 500-800 m. Yunnan [Cambodia, Vietnam].
科名：爵床科 Acanthaceae
属名：针子草属 Rhaphidospora
1．针子草（中国高等植物图鉴）图版39：1-4
Rhaphidospora vagabunda (R. Ben) C. Y. Wu ex Y. C. Tang,中国高等植物图鉴4: 173.图5760 et 916(index)1975. comb. subnuda; 云南种子植物名录(下册): 1683. 1984. ——Justicia vagabunda R. Ben. in Not. Syst. 4: 114. 1936. latine et in H. Lec. Fl. Gen. Indo-Chine 4: 734. 1935.
攀援状灌木。茎圆柱形，无棱条，略“之”字形曲折，光滑无毛。叶矩圆状披针形、顶端渐尖、通长镰状弯曲，基部两侧略不等、全缘或略波状，长6-14厘米，宽2-5厘米，上面深绿色，下面淡绿色，两面脉均明显凸出，中脉上有疏微毛。3歧聚伞花序腋生，长约2厘米，总花梗极短，长4-6毫米，密生微毛；苞片钻形，长1-2毫米；小苞片2-5毫米；花萼裂片5，矩圆状披针形，长约3.5毫米，与苞片均密生微毛；花冠白色带蓝色条纹，长10-11毫米，外有微毛，2唇形，花冠筒与唇瓣几等长，上唇三角形，顶端凹，下唇具3裂片，中裂片甚宽于侧裂片；雄蕊2，着生于花冠喉口，2花药室不等高，下面一枚基部具距；花柱下部和子房顶部具微毛。
产云南南部（西双版纳）。生疏林下，灌丛、沟边、密林潮湿处。越南（模式标本产地为北部，常见）也有。
《Flora of China》 Vol. 19 (2011)
Justicia vagabunda Benoist Notul. Syst. (Paris). 5: 114. 1936.
针子草 zhen zi cao
Rhaphidospora vagabunda (Benoist) C. Y. Wu ex C. C. Hu.
Shrubs to 1.3 m tall. Stems terete, zigzag, glabrous. Petiole 7-12 mm; leaf blade oblong-lanceolate, 6-14 × 2-5 cm, glabrous or sometimes pilose along midvein, base obliquely cuneate, margin entire or slightly undulate, apex acute to falcate. Cymes axillary, ca. 2 cm; peduncle 4-6 mm, pubescent; bracts subulate, 1-2 mm, pilose; bracteoles 2-5 mm, pilose. Calyx ca. 3.5 mm, outside pubescent; lobes 5, oblong-lanceolate. Corolla white with blue lines, 1-1.1 cm, outside pubescent; tube as long as limb; lower lip 3-lobed; upper lip triangular, apex emarginate. Staminal filaments ca. 4 mm, glabrous; anther thecae superposed, lower one spurred at base. Ovary pubescent at tip; style basal portion hirsute. Capsule not seen.
Forests, thickets, streamsides; 500-800 m. Yunnan [Cambodia, Vietnam].
