Ipomoea graminea R.Br.

Species

Angiosperms > Solanales > Convolvulaceae > Ipomoea

Characteristics

A climbing or trailing plant. It has wiry stems which twine around objects. It has a woody rootstock and re-grows from this each year. The young growth is shiny. The leaves are long and narrow. They are 10-20 cm long by 0.3-0.5 cm wide. The leaf stalks are 1 cm long. The leaves can be light or dark green and can spread out or curve backwards. The veins in the leaf run along the length of the leaf. The flowers are about 5 cm across. The flowers are white and occur alone at the tops of stems in the axils of leaves. The flowers are flimsy and have a tubular base. They open at night and die next morning. The seed capsule is about 1.5 cm across. It is round and smooth. There are 4 seeds which are grey and hairy. The tubers can vary in shape from long to round.
More
A glabrous twiner. Stems slender. Leaves linear, 4-14 cm long or still longer, 2-5 mm broad, obtuse, mucronulate; petiole 4-10 mm; midrib and lateral nerves nearly parallel. Peduncles 1-flowered, 3-5 mm, in fruit up to 12-15 mm. Pedicels 6-9 mm, in fruit up to 15-18 mm. Sepals unequal, the inner ones longer; outer sepal elliptic, ca 6 mm long, inner ones oblong or ovate-oblong, 7 and 8-10 mm long, somewhat longer in fruit, all obtuse, and mucronulate at the apex. Corolla salver-shaped, white, ca 4 cm long (according to BENTHAM up to 7½ cm long). Filaments inserted near the corolla-base (perhaps slightly exserted), hairy at their base. Ovary glabrous. Capsule ovoid-globular, ca 8 mm high, glabrous. Seeds greyish.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

A tropical plant. Plants grow in the wet season and die back during the dry season. It needs well drained soil. It can grow in full sun or part shade. It grow in open forest and among grasses. It climbs over other plants.
More
In open savannah-land and in savannah-forests, climbing up grasses etc., ca 15-150 m. Flowers opening in the evening.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The tuber is cooked and eaten.
Uses -
Edible roots tubers
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It can be grown from seed and will probably also grow from cuttings or tubers.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Ipomoea graminea world distribution map, present in Australia, Indonesia, Malaysia, and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:268950-1
WFO ID wfo-0000155546
COL ID 3PW6F
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Convolvulus gramineus Ipomoea graminea