Thunbergia grandiflora

• Botanical Name : Thunbergia grandiflora (Roxb. ex Rottl.) Roxb.
• Synonyms : Thunbergia cordifolia Nees.
• Common Name : Bengal Clock Vine, Bengal Trumpet Vine, Blue Sky Flower, Blue Sky Vine, Blue Trumpet Vine, Neel Lata
• Plant Family : Acanthaceae
• Plant Form : Climbers
• Occurrence (Sectors) : 20
• Occurrence (Special Areas) : Gujarat Forestry Research Foundation, Indroda Park

About Thunbergia grandiflora Plant :

• Habit : A large woody climber with young shoots 4-angled.
• Leaves : Opposite, on swollen nodes, ovate, dentate or lobed, 7-nerved, base cordate, petiole twisted.
• Inflorescence : Axillary solitary or in racemes
• Flowers :
  • Bracteate, bracts 2, large, persistent.
  • Calyx small, annular, teeth 5-9.
  • Corolla large, bell-shaped, lobes 5, white below blue above, yellow inside with blue stripes in the throat.
  • Stamens 4, didynamous, epipetalous, anthers spurred, hairy.
  • Ovary on a disk, 2-celled, style long, funnel-shaped, stigma folded.
• Fruit : Capsule shaped like a bird's head.
• Flowering and Fruiting Time : February - September
• Significance :
  • Commonly cultivated in the gardens for its showy flowers.
  • The leaves are used as a poultice.