Drosera darwinensis
| Drosera darwinensis | ||||||||||||
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Drosera darwinensis |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Drosera darwinensis | ||||||||||||
| Lowrie |
Drosera darwinensis is a carnivorous plant from the sundew family(Droseraceae). It occurs exclusively in Northern Australia in the Northern Territory .
description
In Drosera Darwinensis is a perennial herbaceous plant , forms the individual down-rosettes. The leaves lie flat on the ground, the petioles are inversely lanceolate, 8 to 10 millimeters long, at the base 0.7 to 1, later 1.5 to 3 millimeters wide, tapering to 1 to 1.5 at the base of the blade top and bottom white hairy. The round leaf blades are 3 to 3.5 millimeters long and just as wide, with small sessile glands on the upper side and with fang tentacles on the edge and hairy white on the underside.
Flowering time is December to April. The one or two densely woolly hairy inflorescence axes are 5 to 15 centimeters long and have twelve to 24 flowers in a cluster , the flower stalks are 0.7 to 1.5 millimeters long. The sepals are egg-shaped, densely covered with white hairs, 2.5 to 3 millimeters long and 1.3 to 1.8 millimeters wide. The petals are pink or white, inverted egg-shaped and around 5 millimeters long and around 3 millimeters wide.
The stamens are 2.5 millimeters long. The ovary is inversely egg-shaped and about 1 millimeter long. The three styluses , including the scars, are 1.5 millimeters long.
distribution
Drosera darwinensis is native to northern Australia in the Northern Territory, where it grows in the region around Darwin on laterite soils on clay-sand subsoil. It is common and not threatened.
Systematics
The species was first described in 1996 by Allen Lowrie , the specific epithet refers to the home region of the species. It belongs to the so-called "Petiolaris complex", which forms the Lasiocephala section of the genus. The closest related species is Drosera brevicornis .
literature
- Allen Lowrie : New species in Drosera sect. Lasiocephala (Droseraceae) from tropical northern Australia. In: Nuytsia . Vol. 11, No. 1, 1996, pp. 55-69 .
