,r\/*> - National Science Foundation

6. Ipomoea angustlfolia Jacq., Ic. Rar. 2: pi. 317. 1786. (Fig. 145).
Convolvulus medium Moon—Ipomoea tridentata var. 8 Thw.
Sinh. Hin-madu.
CONVOLVULACEAE
An annual or biennial herb with very long stems, not twining, prostrate, not rooting at
nodes, 5-angTed, glabrous, wiry, slightly branched; leaves simple, alternate, without stipules, very
numerous, 5—6.2 cm long, 1—1.3 cm broad on very short petioles, linear or narrowly
lanceolate-oblong, dilated with coarsely dentate auricles at base, otherwise entire, cuspidate at
apex; flowers regular, bisexual, solitary or 2 or 3 together, pale cream, red inside base of the
tube, on thick,glabrous pedicels, peduncle 3.2—4.5 cm long, slender, stiff, divaricate; sepals
5, free, imbricate, 7—9 mm long, 2—3 mm broad, lanceolate, acuminate acute, glabrous, apices
recurved; petals 5, fused into a funnel-shaped corolla, 2*5 cm in diameter, shallowly lobed;
stamens 5, almost equal or unequal on corolla-tube; ovary superior, 2-locular with two ovules
in each chamber with an annular disc below, style simple, elongated, stigmas 2, globose: fruit
capsule about 6 mm across, depressed—globose with a persistent style, surrounded by slightly
enlarged, persistent sepals, seeds glabrous.
1864.
Flowers during May and June.
ntastratkms. Rheede, Hort. Malab. 11: pi. 55. 1678—1703; Curtis, Bot. Mag. pi. 5426
Distribution. A weed found in the tropics of the Old World. In Ceylon, it is common in
open places in mid and low-country.
Ceylon. Central Prov., Peradeniya Jayaweera, 772, Oct. 1951; Jayaweera 2215,
Nov. 1955;/a>-aH>e