瘤子草Nelsonia canescens (Lam.) Spreng
瘤子草Nelsonia canescens (Lam.) Spreng
1．瘤子草 图版3: 5-9
Nelsonia canescens (Lam.) Spreng. Syst. Veg. 1: 42. 1825; Nees in DC. Prodr. 11: 67. 1847; Bremek. in Reinwardtia 3: 248. 1955.中国高等植物图鉴4: 152.图5717. 1975; 云南种子植物名录(下册)1678. 1984.——Justicia canescens Lam. Tab. Encycl. Meth. Bot. 1: 41. 1791. ——Nelsonia campestris R. Br. Prodr. Fl. Nov. Holl. 1: 481. 1810; C. B. Clarke in Hook. f. Fl. Brit. India 4: 394. 1884; R. Ben. in Not. Syst. 2: 240. 1912. ——N. brunelloides(Lam. )O. Ktze. Rev. Gen. Pl. 1: 493. 1891 et Lindau in Engl. & Prantl, Nat. Pflanzenfam. 4. 3b: 289. fig. 114. 1895 non Justicia brunelloides Lam.
草本，高10-15厘米。茎枝近圆柱形。叶柄长达4厘米，叶片椭圆形，长1-12厘米，宽0.4-5.5厘米，两端急尖，初密被长柔毛，以后稀疏，小叶侧脉3-4对，大叶可达7对。花序通常无总梗，长1.5-4厘米，圆柱状；苞片椭圆形，长6-7.5毫米，宽3-4毫米，有5-7脉；花梗短，不及1毫米；萼裂片4，后裂片约长3毫米，宽1毫米，先端急尖，前裂片长2毫米，宽0.5毫米，先端短2裂，侧裂片长2毫米，宽0.5毫米。花冠淡蓝紫色，外面无毛，内面喉部有髯毛，上唇长2毫米，2裂，下唇长2.3毫米，3裂，花冠管长1.5毫米，先端缢缩，喉与花冠管等长；雄蕊着生于花冠管缢缩处，药室基部具小尖头，花丝无毛，0.5毫米长，子房锥形，无毛。蒴果锥形，长5毫米，径2毫米，2爿，每爿具4-8种子。种子宽椭圆形，有小突起。
产云南南部、广西南部（龙州）。生于海拔350-1500米的山谷疏林等湿润处。本种广布于旧大陆热带。
《Flora of China》 Vol. 19 (2011)
Nelsonia canescens (Lamarck) Sprengel Syst. Veg. 1: 42. 1824.
瘤子草 liu zi cao
Justicia canescens Lamarck, Tabl. Encycl. 1: 41. 1791.
Herbs 10-20 cm tall, annual, creeping, sprawling, prostrate, or decumbent. Stems subterete, villous, often rooting at nodes. Petiole 0.2-3(-4) cm, villous; leaf blade elliptic to ovate, 1-2.2 × 0.4-1.2 cm but basal ones sometimes 6-12 × 3.5-5 cm, both surfaces villous, secondary veins 3-7 on each side of midvein, base cuneate, margin entire, apex acute. Spikes 1.5-4 cm; bracts elliptic, 6-7.5 × 3-4 mm, 5-7-veined. Calyx abaxial lobe ca. 2 × 0.6 mm, apex 2-lobed; adaxial lobe ca. 3 × 1 mm; lateral lobes ca. 2 × 0.5 mm. Corolla bluish purple or white, externally glabrous; tube cylindric for ca. 1.5 mm, contracted near midpoint then expanded into throat; lower lip ca. 2.3 mm; upper lip ca. 2 mm. Stamens inserted at base of throat; filaments ca. 0.5 mm, glabrous. Ovary glabrous; ovules 4-8 per locule. Capsule ca. 5 × 2 mm, 8-16-seeded. Seeds broadly ellipsoid, granulate. Fl. Oct-Mar, fr. Mar-May. 2n = 34 + ?, 36.
Wet places, open forests; 400-2000 m. Guangxi, Yunnan [Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Thailand, Vietnam; Africa, Madagascar].
别名：blue pussyleaf;
科名：爵床科 Acanthaceae
属名：瘤子草属 Nelsonia
1．瘤子草 图版3: 5-9
Nelsonia canescens (Lam.) Spreng. Syst. Veg. 1: 42. 1825; Nees in DC. Prodr. 11: 67. 1847; Bremek. in Reinwardtia 3: 248. 1955.中国高等植物图鉴4: 152.图5717. 1975; 云南种子植物名录(下册)1678. 1984.——Justicia canescens Lam. Tab. Encycl. Meth. Bot. 1: 41. 1791. ——Nelsonia campestris R. Br. Prodr. Fl. Nov. Holl. 1: 481. 1810; C. B. Clarke in Hook. f. Fl. Brit. India 4: 394. 1884; R. Ben. in Not. Syst. 2: 240. 1912. ——N. brunelloides(Lam. )O. Ktze. Rev. Gen. Pl. 1: 493. 1891 et Lindau in Engl. & Prantl, Nat. Pflanzenfam. 4. 3b: 289. fig. 114. 1895 non Justicia brunelloides Lam.
草本，高10-15厘米。茎枝近圆柱形。叶柄长达4厘米，叶片椭圆形，长1-12厘米，宽0.4-5.5厘米，两端急尖，初密被长柔毛，以后稀疏，小叶侧脉3-4对，大叶可达7对。花序通常无总梗，长1.5-4厘米，圆柱状；苞片椭圆形，长6-7.5毫米，宽3-4毫米，有5-7脉；花梗短，不及1毫米；萼裂片4，后裂片约长3毫米，宽1毫米，先端急尖，前裂片长2毫米，宽0.5毫米，先端短2裂，侧裂片长2毫米，宽0.5毫米。花冠淡蓝紫色，外面无毛，内面喉部有髯毛，上唇长2毫米，2裂，下唇长2.3毫米，3裂，花冠管长1.5毫米，先端缢缩，喉与花冠管等长；雄蕊着生于花冠管缢缩处，药室基部具小尖头，花丝无毛，0.5毫米长，子房锥形，无毛。蒴果锥形，长5毫米，径2毫米，2爿，每爿具4-8种子。种子宽椭圆形，有小突起。
产云南南部、广西南部（龙州）。生于海拔350-1500米的山谷疏林等湿润处。本种广布于旧大陆热带。
《Flora of China》 Vol. 19 (2011)
Nelsonia canescens (Lamarck) Sprengel Syst. Veg. 1: 42. 1824.
瘤子草 liu zi cao
Justicia canescens Lamarck, Tabl. Encycl. 1: 41. 1791.
Herbs 10-20 cm tall, annual, creeping, sprawling, prostrate, or decumbent. Stems subterete, villous, often rooting at nodes. Petiole 0.2-3(-4) cm, villous; leaf blade elliptic to ovate, 1-2.2 × 0.4-1.2 cm but basal ones sometimes 6-12 × 3.5-5 cm, both surfaces villous, secondary veins 3-7 on each side of midvein, base cuneate, margin entire, apex acute. Spikes 1.5-4 cm; bracts elliptic, 6-7.5 × 3-4 mm, 5-7-veined. Calyx abaxial lobe ca. 2 × 0.6 mm, apex 2-lobed; adaxial lobe ca. 3 × 1 mm; lateral lobes ca. 2 × 0.5 mm. Corolla bluish purple or white, externally glabrous; tube cylindric for ca. 1.5 mm, contracted near midpoint then expanded into throat; lower lip ca. 2.3 mm; upper lip ca. 2 mm. Stamens inserted at base of throat; filaments ca. 0.5 mm, glabrous. Ovary glabrous; ovules 4-8 per locule. Capsule ca. 5 × 2 mm, 8-16-seeded. Seeds broadly ellipsoid, granulate. Fl. Oct-Mar, fr. Mar-May. 2n = 34 + ?, 36.
Wet places, open forests; 400-2000 m. Guangxi, Yunnan [Bhutan, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Thailand, Vietnam; Africa, Madagascar].