《中国植物志》|| 爵床科 ACANTHACEAE ||鳄嘴花属 Clinacanthus Nees ||鳄嘴花 Clinacanthus nutans (Burm.f.) Lindau

1．鳄嘴花（海南植物志）扭序花（中国高等植物图鉴）图版38：7-10
Clinacanthus nutans (Burm. f.) Lindau in Engler et Prantl, Pflanzenfam. 4. 3b: 340. 1895; 海南植物志3: 565. 1974.中国高等植物图鉴4: 171. 1975. ——Justicia nutans Burm. f. Fl. Ind. 10. t. 5. f. 1. 1768. ——Clinacanthus burmanni Nees in DC. Prodr. 11: 511. 1847; C. B. Clarke in Hook. f. Fl. Brit. Ind. 4: 524. 1884; Hemsl. in Journ. Linn. Soc. Bot. 26: 244. 1890; Ridl. Pl. Malay. Penins. 2: 592. 1923; R. Ben. in H. Lec. Fl. Gen. Indo-Chine 4: 763. 1935. nov. illeg.
高大草本、直立或有时攀援状。茎圆柱状、干时黄色、有细密的纵条纹、近无毛。叶纸质、披针形或卵状披针形，长5-11厘米，宽1-4厘米，顶端弯尾状渐尖，基部稍偏斜，近全缘，两面无毛；侧脉每边5或6条，干时两面稍凸起；叶柄长5-7毫米或过之。花序长1.5厘米，被腺毛；苞片线形，长约8毫米，顶端急尖；萼裂片长约8毫米，渐尖；花冠深红色，长约4厘米，被柔毛。雄蕊和雌蕊光滑无毛。蒴果未见。花期：春夏。
广布于华南热带至中南半岛、马来半岛、爪哇、加里曼丹。产我国云南（景洪）、广西（龙州）、广东（广州、鼎湖）、海南（文昌、海口、儋州、白沙、三亚）等地。生于低海拔疏林中或灌丛内。
全株入药，有调经、消肿、去瘀、止痛、接骨之效，可治跌打、贫血、黄疽、风湿等。

《云南植物志》|| 爵床科 Acanthaceae ||鳄嘴花属 Clinacanthus Nees ||鳄嘴花 Clinacanthus nutans (Burm. f.) Lindau in Engl. et Prantl

1.鳄嘴花（海南植物志）图版225: 1-4
扭序花（图鉴）
Clinacanthus nutans (Burm. f.) Lindau in Engl. et Prantl (1895); 海南植物志 (1974); 图鉴 (1975); 中国植物志 (2002)*.
Justicia nutans Burm. f. (1768)*; Clinacanthus burmanni Nees in DC. (1847); C. B. Clarke in Hook. f. (1884); Hemsl. (1890); Ridl. (1923); R. Ben. in Lecomte (1935).
高大草本，直立或有时攀援状。茎圆柱状，干时黄色，有细密的纵条纹，近无毛。叶纸质，披针形或卵状披针形，长5-11厘米，宽1-4厘米，先端弯尾状渐尖，基部稍偏斜，近全缘，两面无毛，侧脉每边5或6条，干时两面稍凸起；叶柄长5-7毫米或过之。花序长1.5厘米，被腺毛；苞片线形，长约8毫米，顶端急尖；萼裂片长约8毫米，渐尖；花冠深红色，长约4厘米，被柔毛。雄蕊和雌蕊光滑无毛。蒴果未见。花期：春夏。
产景洪；生于低海拔疏林中或灌丛内。分布于广东、广西和海南。广布于中南半岛、印度尼西亚。
全株入药，有调经、消肿、去瘀、止痛、接骨之效，可治跌打，贫血，黄疸，风湿等。

《Flora of China》|| Acanthaceae || Clinacanthus ||鳄嘴花 Clinacanthus nutans

1. Clinacanthus nutans (N. L. Burman) Lindau, Bot. Jahrb. Syst. 18: 63. 1893.

鳄嘴花 e zui hua

Justicia nutans N. L. Burman, Fl. Indica, 10. 1768; Clinacanthus burmanni Nees, nom. illeg. superfl.; C. nutans var. robinsonii Benoist.

Shrubs to 1 m tall. Stems terete, striate, glabrescent. Petiole 0.3-2 cm, sulcate, bifariously pubescent; leaf blade lanceolate-ovate, lanceolate, or linear-lanceolate, 7-12 × 1-4 cm, both surfaces pubescent when young then glabrescent except abaxially pilose along veins, secondary veins 4-6 on each side of midvein and abaxially elevated, base cuneate to rounded, margin subentire to sinuate-crenate, apex acuminate. Racemes 1 to several at or near shoot apex, usually 3 to several forming a terminal panicle; rachis gland-tipped pubescent; bracts and bracteoles linear, ca. 8 × 2 mm, abaxially gland-tipped pilose, apex acute. Calyx 0.9-1.3 cm; lobes linear, outside gland-tipped pilose, apex acute. Corolla dull red with a green base, 3-4.2 cm, outside gland-tipped pilose, inside glabrous except for a ring of trichomes ca. 5 mm above base; tube basally cylindric for ca. 5 mm and ca. 3 mm wide then gradually widened to ca. 6 mm at mouth; lower lip 1-2 × ca. 1 cm, with yellow streaks; upper lip triangular, 1-2 × ca. 0.5 cm, erect, apex emarginate; lobes ovate, 3-5 × 1-2 mm. Stamens exserted from mouth of corolla; filaments 1-1.5 cm, glabrous; anthers ovate-linear, 4-5 × ca. 1 mm, muticous. Style 3-3.7 cm, base sparsely pubescent. Capsule ca. 2 cm, pilose. Seeds ca. 2 mm in diam. Fl. Oct-Jan, fr. Mar.

Thickets; below 700 m. Guangdong, Guangxi, Hainan, Yunnan [Indonesia, Malaysia, Thailand, Vietnam].

This species is used medicinally.