Ipomoea dichroa Choisy

Species

Angiosperms > Solanales > Convolvulaceae > Ipomoea

Characteristics

Annual. Stems several from base, stout and firm, usually twining, up to 2.5 m long, bristly yellowish hairy like petioles, peduncles, pedieels, bracteoles and sepals. Leaves broadly cordate-ovate in outline, up to 130 mm wide, usually digitately 3-lobed to ± the middle, green and thinly hairy above, densely silvery white cobwebby tomentose beneath except on veins; central lobe ovate to suborbicular, narrowed to base, lateral lobes oblique; basal sinus acuminate, apex acute or acuminate, margin entire, ciliate; petiole up to 70 mm long. Inflorescence a 3-11-flowered cyme; peduncle 30-60 mm long; bracteoles ovate-lanceolate, 9-12 mm long; pedicels up to 10 mm long. Sepals sub-equal, lanceolate, 10-13 mm long, enlarged in fruit. Corolla funnel-shaped, pink or mauve with darker mauve centre, 14-20 mm long and wide, pubescent on midpetaline areas near tips of corolla lobes, otherwise glabrous. Capsule ovoid, subglabrous, ±8 mm wide. Seeds ovoid, ±4 mm long, black, velvety white-pubescent.
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Twining or prostrate annual herb. Leaves broadly cordate-ovate in outline, deeply 3-lobed, rarely entire, covered with dense white cottony tomentum beneath. Sepals lanceolate, long acuminate oraristate; bristly or setose and glandular. Corolla 14-20 mm long. Flowers pink or mauve with darker mauve centre.
Leaf lamina broadly cordate-ovate in outline, up to 18·5–17·5 cm., deeply 3–lobed, rarely entire, acute or acuminate at the apex, thin, green, bristly-pubescent above, covered with dense white-cottony tomentum beneath; petiole 4–10 cm. long.
Flowers several in lax cymes; peduncle 1·5–7 cm. long; secondary and tertiary branches 1·5–3 cm. long; bracts ovate-lanceolate with a broad base, long-acuminate to aristate, up to 11 mm. long; pedicels, somewhat flattened, up to 1 cm. long.
A herb that lies along the ground. It can be twining. It can grow 2.5 m long. The leaves are oval to heart shaped and have 3 lobes. They are 18 cm long by 17 cm wide.
Stems several from the base, twining or occasionally prostrate, up to 2·5 m. long, densely covered with white or yellow bulbous-based patent bristly hairs.
Corolla funnel-shaped, pink or mauve with darker mauve centre, 1·4–2·0 cm. long, pubescent on midpetaline areas near the tips of the corolla lobes.
Sepals subequal, lanceolate, long acuminate or aristate, 1·2–2·5 cm. long, bristly or setose and glandular, accrescent in fruit.
Annual resembling Ipomoea ficifolia Lindl. but with smaller flowers.
Seeds ovoid, black, velvety-white-pubescent.
Capsule ovoid, pubescent above.
Life form annual
Growth form herb
Growth support climber
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.01
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant.
Light -
Soil humidity -
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses animal food material medicinal social use
Edible leaves
Therapeutic use Hematologic diseases (root), Cathartics (seed), Abdomen (unspecified), Anodyne (unspecified), Burn (unspecified), Purgative (unspecified), Antineoplastic agents (whole plant excluding root)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Ipomoea dichroa unspecified picture

Distribution

Ipomoea dichroa world distribution map, present in Angola, Benin, Burkina Faso, Botswana, Côte d'Ivoire, Cameroon, Congo, Djibouti, Eritrea, Ethiopia, Ghana, Gambia, India, Kenya, Mali, Mozambique, Mauritania, Malawi, Namibia, Nigeria, Nepal, Oman, Pakistan, Sudan, Senegal, South Sudan, eSwatini, Chad, Tanzania, United Republic of, Uganda, South Africa, Zambia, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:268775-1
WFO ID wfo-0001225839
COL ID 8VCM6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Convolvulus dichrous Convolvulus geffroyensis Pharbitis dichroa Pharbitis aitonii Pharbitis bicolor Ipomoea dichroa Ipomoea aitonii Ipomoea pilosa Ipomoea arachnosperma Convolvulus pilosus Convolvulus bicolor