Ipomoea eriocarpa R.Br.
Ipomoea eriocarpa R. Br. Prod. : 484 (1810). Plate conv. 26.
Scientific classification:
Kingdom: plant.
Division: Magnoliophyta - Flowering plants.
Class: Magnoliopsida – Dicotyledons.
Order: Solanales.
Family: Convolvulaceae.
Genus: Ipomoea L. - morning-gloryP.
.Species: in Saudi Arabia the genus is represent by 12 or possibly more species, Ipomoea eriocarpa R. Br
.Distribution: Africa, Madagascar, Tropical Asia, North Australia, in Saudi Arabia it represent in SW region
.Habit: herbaceous annual, leafy, prostrate
.Leaves: stem pilose, up to 2 meters long
leaves exstipulate; petioles, 1.5-6 cm long; blade ovate, cordate or sub-hastate basally, acute 4-5.5 X 3.3.5 cm, pubescent on both surface and much so on veins .and margins
.Inflorescences: few to many in axillary cymose clusters, subsessile, to pedicellate; pedicels sometimes as long as sepals
Flowers: Bisexual, Bracteate, narrow, subulate ,epigynous
Perianth: calyx (sepals) subequal. Upper half greenish in colour, persistent, much enlarged in fruit, acute or acuminate hispid-pilose; outer sepals ovate-lanceolate, 5-5.5 x 1.5-2 mm; inner sepals ovate, lower half broader and more scarious than outer ones, 4.5-5 x 2-2.5 mm, corolla (petals) lilac with dark center, 1—12mm wide, opening in morning, funnel-shaped, with bands of hairs outside.
Stamens: dilated and glandular-hairy at the lower half; anthers acute, base sagittate.
Ovary: ovate, 1-1.5 mm long, hairy.
Fruit: capsules hairy outside, 2-chambered, 6-7 x 3.5-4 mm, seeds trigonal, glabrous with finely punctate surface, 3-3.5 x 2-2.5 mm