Ipomoea aculeata (PROSEA)
Jump to navigation
Jump to search
Introduction |
Ipomoea aculeata Blume var. mollissima (Zoll.) Hallier f. ex Ooststr.
- Protologue: Blumea 3(3): 574 (1940).
Synonyms
- Ipomoea mollissimum Hallier f. ex Boerl. (1899).
Vernacular names
- Indonesia: rabet kalorak (Madurese), uluk-uluk (Sundanese).
Distribution
In Malesia, occurring in Java, Madura, the Lesser Sunda Islands and the Philippines.
Uses
The leaves or young tops are eaten as a purgative, and applied externally to sores and ulcers. The leaves are also used as a substitute for soap to wash clothes.
Observations
- An annual, pubescent twiner, 10-15 m long, occasionally prostrate, stems woody, fragrant.
- Leaves ovate to orbicular, normally entire, 5-14 cm × 3-10 cm, base cordate to truncate, apex acuminate, mucronulate, lateral veins 5-6, petiole 2.5-8(-12) cm long.
- Flowers solitary or in few-flowered cymes, peduncle short, 2-10(-15) mm long; pedicel 7-15 mm long, in fruit up to 20 mm long, clavate, recurved in bud, erect at flowering, and recurved in fruit, sepals subequal, broadly elliptical or orbicular, 12-18 mm long, corolla salver-shaped, 14-17 cm long, tube long and narrow, white, greenish outside, fragrant, stamens and style exserted, filaments hairy at base, ovary glabrous.
- Capsule ovoid, 15 mm long, mucronate, enclosed by the sepals, valves 4, lacerate or not.
- Seeds 4, 6-8 mm long, densely grey-woolly.
I. aculeata var. mollissima occurs in thickets and open forests, from sea-level up to 700 m altitude. It flowers in Java from May to August. Var. aculeata is nearly glabrous, and occurs in North Sumatra, Java and the Lesser Sunda Islands.
Selected sources
- [74] Backer, C.A. & Bakhuizen van den Brink Jr, R.C., 1964—1968. Flora of Java. 3 volumes. Noordhoff, Groningen, the Netherlands. Vol. 1 (1964) 647 pp., Vol. 2 (1965) 641 pp., Vol. 3 (1968) 761 pp.
- [407] Heyne, K., 1950. De nuttige planten van Indonesië [The useful plants of Indonesia]. 3rd Edition. 2 volumes. W. van Hoeve, 's-Gravenhage, the Netherlands/Bandung, Indonesia. 1660 + CCXLI pp.
- [786] Perry, L.M., 1980. Medicinal plants of East and Southeast Asia. Attributed properties and uses. MIT Press, Cambridge, Massachusetts, United States & London, United Kingdom. 620 pp.
- [1026] van Oostrom, S.J., 1940. The Convolvulaceae of Malaysia, III. Blumea 3(3): 481—582.
Main genus page
Authors
- Anna L.H. Dibiyantoro & G.H. Schmelzer