Thunbergia grandiflora

Flower of Thunbergia grandiflora

The Large-flowered Thunbergia ( Thunbergia grandiflora ) is a plant from the family of Acanthaceae ( Acanthaceae ). She is originally from Bangladesh, however, is often found as an ornamental plant in culture.

Description

Thunbergia grandiflora is a herbaceous climber. The four -edged stem axis of Thunbergia grandiflora is busy striegel hairy in young plants, the base is partially lignified. The 6 to 16 inches long and 3 to 13.5 cm wide leaves are oval to spear- shaped and have a 2 to 6 cm long petiole. While they are obtuse to cordate at the base, their tips are pointed. The sub - such as the tops of the leaf are rough and paper-like. Below the center of the leaf margin is often lobed or coarsely toothed.

The flowers are to squat 1-8 cm long flower stems, in part or terminal racemose inflorescences. Your two flower up to 3.5 cm long, ovate to oblong bracts are partially fused. Usually they are sharpened; but sometimes obtuse. Their surface is covered with fine hairs and rough. Similarly, the truncated calyx is densely hairy. The up to 8 centimeters measured, bell-shaped crown of the flower is purple, sometimes it is bluish with a white or yellow center. Only in exceptional cases the crown is white. Its surface is hairless. The anthers are spurred.

The leathery fruit capsule has a diameter of about 1.5 cm and running at their peak from within a 2 cm long beak.

Dissemination

Thunbergia grandiflora is native to Bangladesh. This species is but now cultivated in all tropical areas of the world as an ornamental plant and wild easily. In Australia it is called Blue Trumpet Vine. In Puerto Rico, however, it is known as Fausto or Pompeya.

Swell

• Henri Alain Liogier, Alain H. Liogier: Descriptive Flora of Puerto Rico and Adjacent Islands: Spermatophyta. Volume V: Acanthaceae to Compositae. Editorial UPR, 1997, ISBN 0-8477-2338-0, page 58
• WT Parsons, EG Cuthbertson: Noxious Weeds of Australia. CSIRO Publishing, 2001, ISBN 0-643-06514-8, p 152
• L. H. Durkee: Family # 200: Acanthaceae. In: William Burger ( ed.): Flora costaricensis. Fieldiana: Botany. new series, No. 18, Field Museum of Natural History, Chicago, USA 1986, p 86