Plantae > Tracheophyta > Magnoliopsida > Brassicales > Brassicaceae > Cardamine > Cardamine douglassii

Cardamine douglassii (limestone bittercress)

Synonyms:

Wikipedia Abstract

Cardamine douglassii (known by the common names limestone bittercress and purple cress) is a perennial forb native to the eastern and central United States as well as the Province in Ontario in Canada, that produces white to pink or purple flowers in early spring.
View Wikipedia Record: Cardamine douglassii

Attributes

Bloom Period [1]  Early Spring
Drought Tolerance [1]  None
Fire Tolerance [1]  Medium
Frost Free Days [1]  4 months 10 days
Fruit/Seed Abundance [1]  High
Fruit/Seed Begin [1]  Spring
Fruit/Seed End [1]  Spring
Growth Form [1]  Rhizomatous
Growth Period [1]  Spring, Summer
Growth Rate [1]  Moderate
Leaf Type [1]  Deciduous
Lifespan [1]  Perennial
Propagation [1]  Seed, Sprig
Regrowth Rate [1]  Slow
Root Depth [1]  10 inches (25 cm)
Seed Spread Rate [1]  Moderate
Seed Vigor [1]  Medium
Seeds Per [1]  899998 / lb (1984158 / kg)
Shape/Orientation [1]  Erect
Structure [2]  Herb
Vegetative Spread Rate [1]  Slow
Flower Color [1]  Purple
Foliage Color [1]  Green
Fruit Color [1]  Brown
Flower Conspicuous [1]  Yes
Height [1]  12 inches (0.3 m)
Hardiness Zone Minimum [1]  USDA Zone: 3 Low Temperature: -40 F° (-40 C°) → -30 F° (-34.4 C°)
Light Preference [1]  Mostly Shady
Soil Acidity [1]  Neutral
Soil Fertility [1]  Very Rich
Water Use [1]  High
Screening - Summer [1]  Porous
Screening - Winter [1]  Porous

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Indiana Dunes National Lakeshore II 8272 Indiana, United States
Mammoth Cave Area Biosphere Reserve (Natn'l Park) National Park II 51235 Kentucky, United States
Niagara Escarpment Biosphere Reserve 470167 Ontario, Canada  
Point Pelee National Park II 5764 Ontario, Canada
Rondeau Provincial Park II 5035 Ontario, Canada

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1USDA Plants Database, U. S. Department of Agriculture
♦ 2Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0