Drosera uniflora
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About
This tiny sundew, *Drosera uniflora*, is notable for its solitary white flower and its preference for watery, nutrient-poor habitats. It captures insect prey using sticky mucilage secreted by stalked glands on its leaves.
Field notes
Morphology
The plant features leaves with stalked glands that secrete sticky mucilage at the tips. It produces a solitary white flower.
Distribution & habitat
Found in the Falkland Islands, Tierra del Fuego, and the northern edge of the Patagonia Forest. In Chile, it grows in mountainous areas near the ocean between 500 and 2,000 meters, preferring north-facing slopes or level areas.
Ecology
It uses an adhesive trapping mechanism with mobile tentacles that secrete sticky mucilage to attract and capture insects. Once trapped, the tentacles and sessile glands release digestive enzymes like protease and phosphatase to absorb nutrients.
History & etymology
Formally described in 1809 by Carl Ludwig Willdenow.
Habitat
- Altitude
- Not recorded
- Altitude class
- —
Cultivation
- Difficulty
- intermediate