Plantae > Tracheophyta > Liliopsida > Poales > Juncaceae > Juncus > Juncus brachycephalus

Juncus brachycephalus (small-head rush; smallhead rush)

Synonyms: Juncus brachycephalus f. brachycephalus; Juncus brachycephalus f. hexander; Juncus brachycephalus f. hexandrus; Juncus canadensis var. brachycephalus (homotypic)

Attributes

Allergen Potential [1]  Medium-High
Screening - Summer [2]  Moderate
Screening - Winter [2]  Porous
Bloom Period [2]  Summer
Drought Tolerance [2]  None
Fire Tolerance [2]  High
Frost Free Days [2]  3 months 5 days
Fruit/Seed Abundance [2]  Medium
Fruit/Seed Begin [2]  Summer
Fruit/Seed End [2]  Fall
Growth Form [2]  Bunch
Growth Period [2]  Spring, Summer, Fall
Growth Rate [2]  Moderate
Leaf Type [3]  Evergreen
Lifespan [2]  Perennial
Propagation [2]  Bare Root, Seed, Sprig
Regrowth Rate [2]  Slow
Root Depth [2]  12 inches (30 cm)
Seed Spread Rate [2]  Slow
Seed Vigor [2]  Medium
Shape/Orientation [2]  Semi-Erect
Structure [3]  Grass
Vegetative Spread Rate [2]  None
Flower Color [2]  Green
Foliage Color [2]  Green
Fruit Color [2]  Brown
Height [2]  24 inches (0.6 m)
Hardiness Zone Minimum [2]  USDA Zone: 4 Low Temperature: -30 F° (-34.4 C°) → -20 F° (-28.9 C°)
Light Preference [2]  Mixed Sun/Shade
Soil Acidity [2]  Neutral
Soil Fertility [2]  Intermediate
Water Use [2]  High

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Bruce Peninsula National Park II   Ontario, Canada
Indiana Dunes National Lakeshore II 8272 Indiana, United States
Niagara Escarpment Biosphere Reserve 470167 Ontario, Canada  
Point Pelee National Park II 5764 Ontario, Canada

External References

USDA Plant Profile

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1Derived from Allergy-Free Gardening OPALS™, Thomas Leo Ogren (2000)
♦ 2USDA Plants Database, U. S. Department of Agriculture
♦ 3Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
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