Invasive Alien Species
Species Name: Ipomoea fistulosa
- Family Name:
- Ipomoea carnea Auct. non Jacq.
I. crassicaulis (Bth.) B.L. Robins.
- Tropical America.
- A shrub, erect or ascending, or sometime twining, 100-250 cm tall. Stem containing a white milky juice. Leaves ovate or ovate-oblong, 6-25 x 4-17 cm; petiole slender 2.5-15 cm long. Inflorescence axillary and terminal, cymosely several-to many-flowered; peduncle 5-15 cm long; pedicels longer than the calyx, bracts minute, ovate; sepals sub-equal or the outer ones slightly shorter, 5-6 mm long, orbicular, broadly rounded; calyx with 5 nectaries between the sepal bases; corolla tubular to funnel-shaped, pink or pale lilac, inside often dark purple towards the base, 7.5-9 cm long, limb 8-12 cm diameter. Fruit capsule, ovoid, 1.5-2 cm long, pale brown, 4-valved; seeds 4 or less, black.
- Invaded Habitat:
- Along rivers, canals, waste places, road sides, rice fields, sugar cane plantations.
- Throughout Indonesia.
- Escape from cultivations and naturalized at low altitudes. In exposed situations the plant is shrubish, but twines up if under shade, occurs at 1- 1 000 m altitude.
- Backer , C. A. & R. C. Bakhuizen Van Den Brink. 1965. Flora of Java. N.V. P. Noordhoff. Groningen, Netherlands
- Backer, C.A. 1973. Weed Flora of Javanese Sugarcane Fields. Volume 7, Atlas. Handbook for the Cultivation of Sugar-cane and Manufacturing of Cane-sugar in Java. Indonesian Sugar Experiment Station (BP3G), Pasuruan, Indonesia.
- Pancho, J.V. and M. Soerjani. 1978. Aquatic weeds of Southeast Asia. University of the Philippines, Los Banos, College, Laguna 3720 and the SEAMEO Regional Center for Tropical Biology (BIOTROP), Bogor, Indonesia