Ipomoea graminea

Nomenclature

Accepted name/Authority/Place of publication: 

Ipomoea  graminea R.Br., Prod. (1810)485.

Description

Habit: 
A glabrous twiner. Stems slender.
Leaves: 
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.
Inflorescences: 
Peduncles 1-flowered, 3-5 mm, in fruit up to 12-15 mm. Pedicels 6-9 mm, in fruit up to 15-18 mm.
Flowers: 
Nocturnal; 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 (up to 7.5 cm ?) long. Filaments inserted near the corolla-base (perhaps slightly exserted), hairy at their base. Ovary glabrous.
Fruits: 
Capsule ovoid-globular, ca 8 mm high, glabrous.
Seeds: 
Seeds greyish.
Author: 
S.J. van Ooststroom
References: 

Ooststroom, S.J. van & R.D.Hoogland. 1953. Convolvulaceae in FloraMalesiana 4: 479.

Biogeography, Ecology and Natural History

Distribution: 

North Australia, SE. New Guinea, and SW.Celebes.

Ecology: 

In open savannah-land and in
savannah-forests, climbing up grasses etc., ca 15–150 m elev.

Phenology: 

Flowers openingin the evening.

Authorship for webpage

Editor: 
G. Staples
Contributors: 
Classification: 

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