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Mitella diphylla L.
Twoleaf miterwort, Miterwort
Synonym(s): Mitella oppositifolia
USDA Symbol: MIDI3
USDA Native Status: L48 (N), CAN (N)
A slender, elongated cluster of tiny white flowers, with 5 delicately fringed petals, above 1 pair of stalkless leaves at midstem; other leaves basal. Delicate plant with basal, heart-shaped, hairy stemmed leaves and a pair of similar, but stemless, leaves two-thirds up the flower stalk. Sparse spike of minute, white, fringed flowers.
The flower is a fantastic bit of geometry, especially evident when viewed with a hand lens. The single pair of leaves at midstem accounts for the species name. The common and genus names allude to the fruit, which has the shape of a small cap or bishops miter. Naked Miterwort (M. nuda), a lovely smaller species, has only basal leaves and fewer, slightly larger, greenish to yellow flowers; it occurs from Alberta east to Newfoundland, south to Pennsylvania, west to Michigan, Wisconsin, and Iowa, and northwest to North Dakota.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Apr , May , Jun
, WV Canada: NS
, QC Native Distribution:
S.w. Que. & NH
s. to upland GA,TN & AR Native Habitat:
Rich, wet woods; stream banks
Growing ConditionsLight Requirement: Shade
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8)
Soil Description: Rich, moist, sometimes limey, soils.
Conditions Comments: Not Available
BenefitConspicuous Flowers: yes
PropagationDescription: Propagation by seed and root or runner division. Fresh seeds sown at soil level germinate fairly well. A light mulch helps retain soil moisture. Seedlings start to bloom the third year. Divide rhizomes that are rooted.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
National Wetland Indicator Status
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:
Delaware Nature Society
- Hockessin, DEMt. Cuba Center
- Hockessin, DE
Record Last Modified: 2012-10-03
Research By: TWC Staff