Drosera ramentacea
| Drosera ramentacea | ||||||||||||
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Drosera ramentacea | ||||||||||||
| Burch. ex Harv. & Sond. |
Drosera ramentacea is a carnivorous plant belonging to the genus sundew ( Drosera ). It is native to South Africa.
description
Drosera ramentacea are herbaceous plants . They grow up to 50 centimeters high from older, prostrate, woody trunks that are densely covered with old, withered, drooping leaves and stipules .
The leaves are arranged like roof tiles, the petiole is stiff, flattened, scattered with long, rust-brown hair and up to 5 centimeters long, initially they are upright, but with increasing age they droop.
Stipules are fused below the leaf and around 7 millimeters long, divided into up to three pointed, awl-shaped segments above, the middle of which is the widest. The stipule is membranous, rust-colored and lies on the stem. The blade is narrowly lanceolate, up to 4 centimeters long and 8 millimeters wide, the edges are densely covered with long, thread-like tentacles that have club-shaped glandular heads that are extremely short towards the center, with individual longer hairs in between.
The inflorescence axis arises from the leaf axils near the top of the plant, is forked or branched, leafless and up to 25 centimeters long. At its end, it bears up to thirty flowers on stalks up to 5 millimeters long . The sepals are fused, the individual lobes are up to 6 millimeters long. The petals are inverted egg-shaped to wedge-shaped, magenta and have a length of up to 1.5 centimeters.
The short stamens are flattened, the connective is rhombic in shape. The styles are divided from the base, long and spreading, the scars are occasionally split and slightly swollen. The capsule fruits are oblong and round, the seeds filet-shaped, brownish, up to 0.4 millimeters long and pearly patterned.
distribution
The species is only found in the southwest of the Cape region, mainly on and around the Cape Peninsula, where it grows in the fynbos . Drosera ramentacea is rare.
Systematics
Drosera ramentacea was first described in 1824. It is classified in the Drosera section of the subgenus of the same name.
proof
- 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.