Australian Tropical Rainforest Plants - Online edition

Thunbergia laurifolia Lindl.


Weed
Slender Vine
Click/tap on images to enlarge
Flowers. © Forest and Kim Starr; http://www.hear.org/starr
Family

Lindley, J. (1867) The Gardeners' Chronicle and Agricultural Gazette : 260. Type: T: unknown.

Common name

Laurel Clock Vine; Blue and White Trumpet Vine

Stem

Scrambling vine, glabrous, gland-dotted over stems, leaves and pedicels.

Leaves

Leaves with unwinged, 2-5 cm long petioles, blade ovate, 13-19 x 5-9 cm, rounded at base, rarely cordate, 3-5 main veins, glabrous, apex acute.

Flowers

Inflorescence a terminal raceme with 4 flowers per node. Pedicel 0.8-1.7 cm long. Bracteoles 2, fused along one side and part of the other, 2.8-3 cm long, may be mistaken for calyx. Calyx an entire ring, persistent in fruit. Corolla blue, tube 3-4 cm long, constricted at point of insertion of filaments. Stamens with very broad filaments; one pair of stamens with each anther cell 3-4 mm long, curved awn at base, the other pair with one anther cell long awned, other with short awn. Ovary glabrous, stigma cup-shaped, entire.

Fruit

Features not available.

Seedlings

Features not available.

Distribution and Ecology

Occurs in NEQ, CEQ and south to south-eastern Queensland. Altitudinal range from about 20 to 760 m. Usually grows in open forest but also found in monsoon forest and rain forest margins. Also occurs in New Guinea.

RFK Code
2695
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