Ipomoea trinervia Schulze-menz

Species

Angiosperms > Solanales > Convolvulaceae > Ipomoea

Characteristics

Annual herb; stems erect or decumbent, up to 45 cm. high, pubescent.. Leaf-blade pubescent, obovate or spathulate; apical part elliptic to orbicular, 4.7–5.5 cm. long, 3.7–4.8 cm. wide, ± acute at the apex, obscurely crenulate; basal part narrowly cuneate, 2 cm. long, 0.7–1.5 cm. wide at the apex; petiole about 1 cm. long.. Peduncle up to 2 cm. long, often much shorter; inflorescence ± 6-flowered, the flowers clustered in an umbel-like cyme; bracts pubescent, ± 3-nerved, 3 mm. long, 1.5 mm. wide; pedicels 6 mm. long.. Sepals linear-oblong, 5.5–9 mm. long, 2.5–3.5 mm. wide, obtuse, conspicuously 3-nerved.. Corolla white, trumpet-shaped; tube narrow, 13 mm. long, 1.5–3 mm. wide; limb 7 mm. long.. Ovary elongate-conic, 2.5 mm. long, 1 mm. wide, shortly pubescent.. Capsule elongate-ovoid, 9–10 mm. long, slightly pubescent.. Seeds black, somewhat obscurely tuberculate, sparsely pubescent with long hairs.
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Inflorescence an umbel-like cyme of more or less 6 flowers clustered; peduncle up to 2 cm. long, often much shorter, pubescent; pedicels 6 mm. long, pubescent; bracts linear-oblong, rounded at the apex, 3 mm. long, more or less 3-nerved, pubescent.
Leaf lamina obovate or spathulate up to 7 × 6 cm., pubescent, with apical part elliptic to orbicular up to 5 × 6 cm., acute at the apex, obscurely crenulate and a basal part narrowly cuneate, 2 × 0·7–1·5 cm.; petiole about 1 cm. long.
Sepals linear-oblong, 5·5–9 mm. long, emarginate, conspicuously 3-nerved, shortly pubescent.
Capsule elongate-ovoid tipped by the persistent style, coriaceous, slightly pubescent.
Seeds black, somewhat obscurely tuberculate, sparsely pubescent with long hairs.
Corolla trumpet-shaped, white, 2 cm. long, with narrow tube.
Ovary elongate-conic, shortly pubescent.
Stems erect or decumbent, pubescent.
Annual herb.
Life form annual
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.45
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses -
Edible -
Therapeutic use -
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 -

Distribution

Ipomoea trinervia world distribution map, present in Mozambique, Malawi, and Tanzania, United Republic of

Conservation status

Ipomoea trinervia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:269974-1
WFO ID wfo-0001298756
COL ID 3PX79
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ipomoea trinervia