Utricularia blanchetii

Utricularia blanchetii

Utricularia blanchetii is a carnivorous plant in the genus of the water hoses in the section Arenella. It was first described in 1844 by Alphonse de Candolle Pyrame. The name honors the Swiss plant collector Jacques Samuel Blanchet.

Description

Utricularia blanchetii is a terrestrial or lithophytic growing type, whether it is on or perennial, is not yet secured. At the base of the inflorescence, it forms a few rhizoids.

The numerous, up to 10 mm long and 0.1 to 0.15 mm thick, branched stolons are provided with numerous ovoid, about 0.25 mm long, stalked traps that bear upon the mouth of a single, back curved awl- shaped appendages and another, split, forward curved at its tip.

From the stolons grow stalked, very narrow, linear, dark green leaves that are 0.1 to 0.25 mm wide and up to 8 mm long and also bear traps. Without the plant inflorescence recalls in her ground-covering growth strongly of a kind moss or grass.

Flowers, fruits and seeds

The one to six flowers of this species are from February to August in a loose raceme on a 6 to 15 cm long, erect, cylindrical, round narrow stalk, which is thin and hairless and papillate at the base. Close to the ground, see to it several tiny scale leaves, which, like the stipules oval to delta -shaped. The latter reach a length of up to 1.5 millimeters, taper to a point and are heavily perforated. The 10 to 15 millimeters long and up to 9 mm wide zygomorphic flowers are pale blue to purple in color with a white-yellow Saftmal.

The bolls are approximately 2 millimeters in diameter and open on drying along a single vertical breaking point, from which they released the egg-shaped, about 0.2 mm long seeds.

Distribution and habitat

Utricularia blanchetii is endemic in the center of the Brazilian state of Bahia at altitudes 850-1750 m. It grows in moist sand, among the rocks and streams.

Pictures

Stolon

Trap

Growing case

Swell

  • Peter Taylor: The Genus Utricularia - A Taxonomic Monograph, London, 1989, ISBN 0-947643-72-9
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