• Scientific Name: Thunbergia erecta (Benth.) T.Anderson
• Ref: J. Proc. Linn. Soc., Bot. 7:18. 1863
• Synonyms: Meyenia erecta Benth.; Thunbergia ikbaliana De Wild.; T. mestdaghi De Wild.
• English Common Name: bush clockvine, king’s mantle
• Chinese Common Name: 直立山牵牛 zhílì shān∙qiānniú, 硬枝老鸦嘴 yìngzhī lǎoyā∙zuǐ
• Japanese Common Name: コダチヤハズカズラ [木立矢筈葛] kodachiyahazukazura
• Family: Acanthaceae
• Genus: Thunbergia
• Distribution: native to C. and W. Africa
• Photo: 06/18/2009, Xiamen, Fujian

A glabrous, upright, upto 1.25 m tall undershrub. Leaves late-ovate to elliptic-ovate to obovate, 3-8 x 2-4 cm, basally rounded, distantly serrate, acute, apiculate. Flowers purple-blue to dark blue, up to c. 6 cm long, c. 4 cm across, usually solitary axillary; Bracts 15 x 10 mm, deciduous. Calyx teeth c. 15, subulate, glandular hairy. Corolla tube ± curved yellowish-white or white, glandular hairy outside, lobes subequal, c. 1.5 cm long, obtuse. Staminal filaments glandular-hairy; anthers oblong, c. 4 mm long, bearded, mucronate. Style c. 3.5 cm long; stigma 2-lobed, upper lobe upright, lower patent. (Flora of Pakistan)