Drosera dielsiana
| Drosera dielsiana | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Drosera dielsiana , flower |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Drosera dielsiana | ||||||||||||
| Exell & JRLaundon |
Drosera dielsiana is a carnivorous plant from the genus sundew ( Drosera ). It is native to South Africa and wasfirst describedby Arthur Wallis Exell & Jack Rodney Laundon in 1956.
description
Drosera dielsiana are herbaceous plants and grow as indigenous, compact rosettes with some long, thin roots .
The 15 to 25 leaves are sessile, old leaves dissolve quickly. The stipules are small, fringed and ear-shaped, the blade is spatulate, up to 2 centimeters long and 6 millimeters wide, rounded at the end, tapering towards a petiole-like, hairy part. The underside of the leaf is only sparsely hairy.
The inflorescence axis is usually upright, rarely curved at the lower part, hairy at the base, leafless and up to 20 centimeters long, at its end it bears around eight, occasionally up to twelve small, rarely open flowers on 2 millimeter long pedicels . The sepals are fused, the individual lobes are up to 5 millimeters long. The petals are inverted egg-shaped, nailed, pink, purple or white and have a length of up to 7 millimeters.
The stamens are narrowly winged. The stylus are forked from the base, the scars membranous and spoon-shaped. The capsule fruits are oblong and round and 5 millimeters long, the seeds are egg-shaped, 0.4 millimeters long and black, the surface has a honeycomb pattern.
The number of chromosomes is 2n = 40.
distribution
The species is found in South Africa in the eastern Transvaal , in Swaziland and in the north of Natal , as far as southern tropical Africa, preferably on mountain plateaus.
literature
- Anna Amelia Obermeyer: Droseraceae. In: The Flora of Southern Africa. Volume 13: Cruciferae, Capparaceae, Resedaceae, Moringaceae, Droseraceae, Roridulaceae, Podosfemaceae, Hydrostachyaceae. Botanical Research Institute - Department of Agricultural Technical Services - Republic of South Africa, Pretoria 1970, pp. 187-201.
Individual evidence
- ^ Drosera dielsiana at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
