Sundew plants
| Sundew plants | ||||||||||||
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Sundew ( Drosera ), detail of the catch leaves |
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| Systematics | ||||||||||||
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| Droseraceae | ||||||||||||
| Salisb. |
The sundew plants (Droseraceae) are a family of the flowering plants (Magnoliopsida).
The family is represented worldwide with the three genera water trap , Venus fly trap (both monotypical ) and sundew , which together contain around 200 species .
description
All species in this family are herbaceous , carnivorous plants . The inflorescences are mostly wraps . The radial flowers are hermaphroditic and mostly five-fold, sometimes four-fold. The ovaries are on top. There are fruit capsules made with very many small seeds.
The water trap and the Venus flytrap catch their prey with a folding trap (similar to a leghold trap), in the genus sundew there are only sticky traps.
Systematics
The family includes three genera:
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Aldrovanda
L. , with the only species
- Water trap ( Aldrovanda vesiculosa L. )
-
Dionaea Sol. ex J.Ellis , with the only kind
- Venus Flytrap ( Dionaea muscipula J.Ellis )
- Drosera L. , sundew , with around 200 species
Botanical history
Earlier it was assigned the genus Taublatt ( Drosophyllum ); meanwhile this is placed in a separate family, the pigeon family (Drosophyllaceae).
literature
- Ludwig Diels : Droseraceae (= The Plant Kingdom . 26 = 4, 112, ZDB -ID 846151-x ). Engelmann, Leipzig 1906, p. 109.
Web links
- The family at APG II. (Engl.)
- Droseraceae at DELTA. (engl.)
- Family description in the Flora of China. (engl.)
- The family at GRIN.