Nomenclature
Accepted name/Authority/Place of publication:
Ipomoea tricolor Cav., Icon. 3 (1794) 5. plate 208.
Synonyms:
Ipomoea rubro-caerulea Hook., Bot. Mag.(1834) plate 3297.
Description
Habit:
A herbaceous, glabrous twiner, with terete stems.
Leaves:
Leaves ovate, 3½- 7 by 2½- 6 cm, cordate at the base, long-acuminate at the apex with an acute, mucronulate acumen; petiole 1½-6 cm.
Inflorescences:
Inflorescences axillary; peduncles as thick as the stems, terete, fistulose, 3- 9 cm, cymosely branched at the top. Pedicels much longer than the calyx, 15-18, afterwards up to 25 mm. Bracts minutely triangular.
Flowers:
Sepals subequal, narrowly triangular to ovate-lanceolate, gradually narrowed towards the apex, 4½-6 mm long, green with white margins, carinate on the back. Corolla funnel-shaped, 4-6 cm long, glabrous, in bud red with a white tube, in anthesis bright sky-blue with a paler or white tube. Stamens and style included filaments very unequal, glabrous. Ovary glabrous.
Fruits:
Capsule ovoid, ca 8-10 mm long, mucronate by the style-base, pale straw-coloured, 2-celled 4-valved; dissepiment persistent.
Seeds:
Seeds 4, nearly 5 mm long, black, minutely puberulent.
References:
Ooststroom, S.J. van & R.D.Hoogland. 1953. Convolvulaceae in FloraMalesiana 4: 478.
Biogeography, Ecology and Natural History
Distribution:
Mexico, Central America, WestIndies, tropical South America, elsewhere cultivated and perhaps occasionallyescaped; in Malesia only
known from the Malay Peninsula(as a garden escape), and Timor, where it is locally frequent in the centralportion of the island, at 400 m.
Other information
Common names and uses:
Non luti (Timor).
Authorship for webpage
Editor:
G. Staples
Contributors:
Classification:
Add new comment