Thunbergia grandiflora (Roxb. ex Rottl.) Roxb.Family: Acanthaceae
Synonyms: Flemingia grandiflora Roxb. ex Rottl., Pleuremidis grandiflora (Roxb. ex Rottl.) Raf., Thunbergia adenophora W.W. Sm., Thunbergia chinensis Merr., Thunbergia cordifolia Nees, Thunbergia lacei Gamble
Common name: Bengal Clock Vine, Bengal Trumpet Vine, Blue Sky Flower, Blue Sky Vine, Blue Trumpet Vine
Assamese: Kukua loti
Bengali: নীল লতা Neel lota
Chinese: 大花山牵牛, 大花老鸦嘴
Gujarati: Tumakhlung
Hindi: नील लता Neel lata
Kenya: cheptereret
Khasi: Jermi khnong, Syntiew jyrni chankhlaw
Malay: patok tuwauh
Mizo: Vakohrui, Zawngafian, Vako
Russian: Тунбергия_крупноцветковая
Swedish: Klockthunbergia
Tanzania: bangiliko, enyoru, wankula
Thai: สร้อยอินทนิล
Vietnamese: Dây bông xanh
Description: Woody vine, twining, 10-15 m in length. Stems cylindrical, up to 2.5 cm in diameter, striate, puberulous; cross section of the stem with the pith hollow and the xylem tissue with wide rays. Leaves opposite; blades 15-26 × 13-30 cm, ovate or broadly ovate, chartaceous, the apex acute or acuminate, the base cordiform or subcordiform, the margins lobate-dentate, ciliate; upper surface dark green, shiny, puberulous, with slightly prominent venation; lower surface light green, ull, glabrous or puberulous, with prominent venation; petioles 6-12 cm long, sulcate. Flowers arranged in axillary cymes; pedicels robust, cylindrical, 4-6 cm long; bracts light green, membranaceous, ovate, ca. 4 cm long, covering the calyx and the corolla tube. Calyx green, in the form of a ring, 4-5 mm long; corolla lilac or white, infundibuliform, with 5 lobes, the tube 6-7 cm long, light yellow inside, narrow at the base, the limb 6-7 cm in diameter. Capsule ca. 3 cm long, subglobose at the base, the upper half in the form of a beak, dehiscent in two halves.
Leaves decoction drunk for stomach complaints and indigestion; leaves paste used as poultice in skin diseases, cuts; juice of leaves with leaves of Thunbergia coccinea given in stomach pain. Sap from the stem given in eye troubles. Roots, leaves and whole plant decoction applied to snakebites. [CRC World Dictionary of Medicinal and Poisonous Plants]
Therapeutic uses: The leaves are commonly used against snake-bite. The petioles are removed and the juice of 30 to 50g of pounded fresh leaves is used to massage the site of the snake-bite, from the top downwards ; the residue is applied topically. The leaves are used on their own or in combination with Abelmoschus moschatus leaves and Clausena lansium seeds. Poulticing with a moistened fine powder of dried leaves is also prescribed. [Medicinal Plants in Viet Nam]
15 Published articles of Thunbergia grandiflora
1. Pollination and reproductive strategy of the alien plant Thunbergia grandiflora in the immigrated habitats Tang, G., et al., Ecology and Environmental Sciences, 2014. 23(6): p. 950-957.
2. Effect of growth regulators on rooting of Thunbergia grandiflora Vinaykumar, J., et al., Karnataka Journal of Agricultural Sciences, 2008. 21(2): p. 322-323.
3. Studies on the rooting and the consequent plant growth on the stem cuttings of Thunbergia grandiflora (Roxb. ex Rottl.) Roxb. 2 - Effect of indole-3-butyric acid Hussein, World Journal of Agricultural Sciences, 2008. 4(S): p. 811-817.
4. Studies on the rooting and the consequent plant growth on the stem cuttings of Thunbergia grandiflora, R.e.R.R.-E.o.d.p.d.H., M. M. M., World Journal of Agricultural Sciences, 2008. 4(2): p. 125-132.
5. Effects of shading on growth and leaf microstructure of Thunbergia grandiflora (Rottl. et Willd.) Roxb. and T. laurifolia Lindl Chen, G., et al., Journal of South China Agricultural University, 2001. 22(3): p. 56-59.
6. Chemical control of thunbergia (Thunbergia grandiflora) Van Haaren, P. and J. Vitelli, Plant Protection Quarterly, 1997. 12(1): p. 29-32.
7. Iridoid glycosides from Thunbergia grandiflora Ismail, L.D., et al., Phytochemistry, 1996. 42(4): p. 1223-1225.
8. Iridoid glycosides from Thunbergia grandiflora (vol 42, p., 1996) Ismail, L. D., Phytochemistry, 1996. 43(6): p. 1434-1434.
9. Interactions between the climber Thunbergia grandiflora, i.p.X.l.a.t.a.D.t.T.n.-t.h.r.F., Brigitte, et al., Malayan Nature Journal, 1996. 50(1): p. 1-14.
10. NECTAR AND POLLEN ROBBING OF THUNBERGIA-GRANDIFLORA BY TRIGONA BEES IN COSTA-RICA Young, A.M., Biotropica, 1983. 15(1): p. 78-80.
11. FLAVONOIDS OF THUNBERGIA-GRANDIFLORA AND ASYSTASIA-TRAVANCORICA Subraman.Ss and A.G.R. Nair, Current Science, 1971. 40(15): p. 404-&.
12. CHEMICAL COMPOSITION OF NECTAR IN THUNBERGIA GRANDIFLORA Nair, A.G.R., S.S. Subramanian, and S. Nagarajan, Current Science, 1964. 33(13): p. 401-&.
13. Sporoderm stratification: The "medine" a distinct third layer in the pollen wall Hedychium-coroharium, P., Thunbergia-grandiflora, Antholyza-aethiopica, Bauhinia-variegata, Beaumontia-grandiflora, Fumaria-judaica, Saccoglottls-procera, Dicella-bracteosa, Reinwardtia-tetragyna Saad, Shokry I., Pollen Et Spores, 1963. 5((1)): p. 17-39.
14. A new species of Bombardia (B. hyalina sp. nov.) occurring on dry twigs of Thunbergia grandiflora Roxb Verma, G.S., Proc Indian Acad Sci Sect B, 1940. 11((1)): p. 45-49.
15. Medicine useful e.g. for treating bone fracture, e.w.a.r.d., comprises e.g. Thunbergia grandiflora, pseudoginseng, rhizoma drynariae, radix paeoniae alba, liquorice, rhizoma cibotii and frankincense Zhan, X. Zhan X.
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