Nomenclature
Accepted name/Authority/Place of publication:
Ipomoea diversifolia R.Br., Prod. (1810) 487.
Synonyms:
Pharbitis laciniata Dalz. in Hook., KewJ. Bot. 3 (1851) 178.
Ipomoea laciniata (Dalz.) C.B. Clarkein Hook.f., Fl. Br. Ind.4(1883) 200.
Description
Habit:
A glabrous annual. Stems slender, trailing or twining.
Leaves:
Leaves orbicular in outline, 1-2½(-5) cm diam., digitate, with 5 coarsely and irregularly dentate to pinnatifid segments, the two basal of which sometimes bifid, the central segment larger than the lateral ones, all narrow-oblong to oblanceolate in outline; petiole mostly shorter than the blade, 3-12(- 15) mm long, with pseudo-stipules.
Inflorescences:
Inflorescences axillary; peduncles mostly shorter than the leaves, 7-20 mm long, angular or flattened, mostly 1-, sometimes to 3-flowered. Pedicels 8-12(- 18), in fruit to 15(-20) mm, erect, also in fruit. Bracts linear-lanceolate, small, ca 3 mm long, very acute.
Flowers:
Sepals subequal or the inner ones slightly longer, 6- 10 mm long, elliptic or narrow-elliptic or oblong-lanceolate, cuspidate or acute, the back more or less carinate and muricated. Corolla tubular to funnel-shaped, small, 5-6 mm long, white, purple inside at the tube. Stamens and style included.
Fruits:
Capsule subglobose, 8-10 mm diam., glabrous.
Seeds:
Seeds short-tomentose.
References:
Ooststroom, S.J. van & R.D.Hoogland. 1953. Convolvulaceae in FloraMalesiana 4: 479.
Biogeography, Ecology and Natural History
Distribution:
India to NE. Australia, Philippines (Luzon island, IlocosNorte province).
Ecology:
In grasslands at low altitudes.
Authorship for webpage
Editor:
G. Staples
Contributors:
Classification:
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