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Bransford, W.D. and Dolphia
Drosera filiformis Raf.
Synonym(s): Drosera filiformis var. filiformis
USDA Symbol: DRFI
USDA Native Status: L48 (N), CAN (N)
A carnivorous plant with lavender-rose flowers in a 1-sided, elongated cluster on a leafless stalk, curved at tip, rising from erect, thread-like, sticky, basal leaves.
This striking member of the sundew family is distinctive, with its stringy leaves covered with glistening droplets of sticky exudate. Insects trapped in the sticky hairs are digested by plant enzymes. Researchers have found that substantial quantities of protein from the insects end up in the storage roots, demonstrating the importance of this source of nutrients. The southern plants are larger than the northern and are considered by some authorities to be the separate species D. tracyi. The genus name derives from the Greek droseros (dewy) and refers to the sticky droplets on the leaves.
Plant CharacteristicsDuration: Perennial Habit: Herb Flower:
Bloom InformationBloom Color: Purple
Bloom Time: Jun , Jul , Aug , Sep
, RI Canada: NS Native Distribution:
Nova Scotia; New York and Massachusetts south to New Jersey and Pennsylvania; also in North Carolina and Florida. Native Habitat:
Wet, sandy, coastal areas.
Growing ConditionsSoil pH: Acidic (pH<6.8)
BenefitConspicuous Flowers: yes
National Wetland Indicator Status
|Status:|| OBL || OBL || OBL |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
- Newark, DEMt. Cuba Center
- Hockessin, DE
Record Last Modified: 2007-01-01
Research By: TWC Staff