Scientific Name:
Polystichum braunii
Pronunciation:
puh-LISS-tih-kum BROWN-ee-eye
Common Name:
Braun's holly fern
Family Name:
Dryopteridaceae
Plant Type:
Fern
Key ID Features:
Fronds narrow at apex and base, bipinnate, densely arranged, lustrous, leathery, dark green; pinnules bristle-tipped; stipe and rachis are covered with silvery scales that mature to brown; sori dark greenish-brown before turning black.
Habit:
Arching, Dense, Upright
Form:
Vase
Texture:
Medium
Mature Height:
0.7 - 1.3m
Mature Spread:
1.5 - 2.0m
Growth Rate:
Fast
Origin:
B.C. west of Cascades, Canada - eastern, Europe, S.E. Asia / Japan / China, U.S. - northeast, U.S. - northwest
Hardiness Rating:
Zone 4: (-34 to -29 °C)
Exposure:
Part sun/part shade, Filtered shade, Deep shade
Soil/Growing Medium:
Acidic, Humus rich, Well-drained
Water Use:
Moderate
Landscape Uses:
Accent plant, Alpine, Container planting, Ground cover, Group or mass planting, Mixed shrub border, Small garden/space, Summer interest, Woodland margin
Additional Info:
Leaf Morphology:
Form:
Compound, Fern-like
Arrangement:
Basal
Texture/Venation:
Leathery
Surfaces:
Lustrous, Pubescent
Compound Leaf:
Bipinnate
Colour in Fall:
Green
Shapes:
Lanceolate, Oblong, Ovate
Apices:
Acuminate, Acute
Margins:
Dentate, Serrate
Inflorescence Type:
Flower Morphology:
Colour (petals):
No flowers
Flower Time at Peak:
Fruit Type:
Sporangium (spores)
Fruit Colour:
Yellow, Brown
Fruiting Time:
May, Jun
Bark or Stem Colour:
Additional Info:
no above ground stem
Organ Modifications:
Rhizomes
Propagation:
Spore
Maintenance:
Low
Pest Susceptibility:
(Pest resistant, Disease resistant, Deer resistant, Rabbit resistant)
