Australian Tropical Rainforest Plants - Online edition

Ipomoea muelleri Benth.


Slender Vine
Click/tap on images to enlarge
Flower. © G. Sankowsky
Flowers. © G. Sankowsky
Leaves and flowers. © G. Sankowsky
Habit, leaves and flowers. © G. Sankowsky
Scale bar 10mm. © CSIRO
Family

Bentham, G. (1868) Flora Australiensis 4: 423. Type: N Australia; Nichol Bay, Walcott; Sturts Creek, F. Mueller; in the interior, lat. 18 deg 30, McDouall Stuarts Expedition; holo: K?.

Common name

Poison morning glory; Australian morning glory

Stem

A slender vine, stem diameter not exceeding 2 cm.

Leaves

Leaf blades about 4.5-7 x 5-8 cm, petioles about 2-7 cm long. Petioles clothed in numerous small wart-like projections. Two large glands visible on the petiole close to its junction with the petiole.

Flowers

Peduncles about 10-12 cm long. Sepals about 15-17 mm long. Corolla about 60-70 mm long, spirally twisted in the bud, purple inside and out. Staminal filament of different lengths, clothed in purplish hairs towards the base. Anthers shaped like an arrowhead. Pollen grains white, surface spinulose. Style long and slender. Stigma +/- 2-lobed, laterally compressed, +/- globular, +/- lobed like a cumulus cloud.

Fruit

Features not available.

Seedlings

Features not available.

Distribution and Ecology

Occurs in WA, NT, CYP, NEQ, CEQ and widely spread over many other more inland parts of Australia. Altitudinal range from near sea level to 800 m. Usually grows in open forest but also found in and on the margins of monsoon forest and vine thicket.

RFK Code
2691
Copyright © CSIRO 2020, all rights reserved.