Drosera peruensis

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Drosera peruensis
Systematics
Eudicotyledons
Nuclear eudicotyledons
Order : Clove-like (Caryophyllales)
Family : Sundew family (Droseraceae)
Genre : Sundew ( Drosera )
Type : Drosera peruensis
Scientific name
Drosera peruensis
TRSSilva & MDCorrea

Drosera peruensis is a carnivorous plant from the genus sundew ( Drosera ). It isnativeto Peru and was first described in 2002 by Tânia Regina dos Santos Silva and Mireya D. Correa using herbarium material.

description

Drosera peruensis are herbaceous plants growing as a rosette with a height of 4 to 11.5 centimeters, the stem alone reaches a length of 2 to 4 centimeters.

The leaves are red, 10 to 12 inches long, drooping when old. The petioles are 6 to 7 inches long and 1 millimeter wide, hairy on the top and smooth on the underside. The blade is inverted-egg-shaped to oblong-round, 4 to 7 centimeters long and around 1 millimeter wide, shaggy hairy, on the upper side of the leaf with glandular hairs, on the underside of the leaf with thread-like trichomes that are 2 to 2.5 millimeters long and golden in color. The stipules are rectangular, membranous and slit-leaved, up to 7 millimeters long and slit about 6 millimeters.

Flowering and fruiting time are in October. The one or two inflorescences are 4 to 7 inches long, tinged with red and covered with thread-like trichomes and have 2 or 4 flowers . The inflorescence axis is 3.5 to 6 inches long, the flower stalk reddish. The sepals are fused, reddish, the individual elongated-round lobes up to 4 millimeters long and 1.5 millimeters wide and covered with reddish trichomes. The petals are white or red, the ovary consists of three carpels . The three styles are forked from the base, the six stigmas club-shaped. The seeds are oblong and round, the surface like a network.

distribution

The species is native to the Pasco region ( Oxapampa , Cordillera Yanachaga ) in Peru, the only known specimens come from the collection of the holotype . There the species grows in bushland on white sandstone, covered by bushes and socialized with peat moss , the ceilings of which were up to 2 meters thick.

literature

  • Tânia Regina dos Santos Silva, Mireya D. Correa A .: Drosera peruensis (Droseraceae), a New Species from Peru. In: Novon. Vol. 12, No. 4, 2002, pp. 543-545, JSTOR 3393136 .
  • Mireya D. Correa A., Tânia Regina dos Santos Silva: Drosera (Droseraceae) (= Flora Neotropica. 96). New York Botanical Garden, New York NY 2005, ISBN 0-89327-463-1 , p. 48.