Scientific Name:
Cyrtomium falcatum
Pronunciation:
sir-TOH-mee-um fal-KAY-tum
Common Name:
Japanese holly fern
Family Name:
Dryopteridaceae
Plant Type:
Fern, Herbaceous perennial
Key ID Features:
Fronds evergreen, leathery, glossy, dark green (resembles mahonia or holly to some), 30-70cm long, once-pinnate, pinnae curved forwartd (falcate), most 8-10cm long x 3-5cm wide; sori randomly scattered on lower surface.
Habit:
Arching
Form:
Vase
Texture:
Medium
Mature Height:
0.4 - 0.7m
Mature Spread:
0.6 - 1.0m
Growth Rate:
Slow
Origin:
S.E. Asia / Japan / China, South Asia / India (Japan)
Hardiness Rating:
Zone 6: (-23 to -18 °C)
Exposure:
Part sun/part shade, Filtered shade
Soil/Growing Medium:
Alkaline, Humus rich, Well-drained
Landscape Uses:
Alpine, Container planting, Ground cover, Group or mass planting, Perennial border, Rock garden, Small garden/space, Summer interest, Waterside planting, Woodland margin
Additional Info:
Google. Cultivars shown may include C. 'Maritimum' (dwarf). Compare to C. caryotideum and C. fortunei (about 35 species in genus and some can look quite similar), and Dryopteris sieboldii.
Leaf Morphology:
Form:
Compound, Fern-like
Arrangement:
Basal
Texture/Venation:
Leathery
Surfaces:
Glabrous, Lustrous
Compound Leaf:
Odd-pinnate
Colour in Summer:
Dark-green
Colour in Fall:
Dark-green
Shapes:
Ovate
Apices:
Acute
Bases:
Rounded
Margins:
Dentate
Inflorescence Type:
Flower Morphology:
Colour (petals):
No flowers
Flower Time at Peak:
Fruit Type:
Sporangium (spores)
Fruit Colour:
Brown
Fruiting Time:
Jun, Jul
Additional Info:
Persistent
Bark or Stem Colour:
n/a
Organ Modifications:
Rhizomes
Propagation:
Spore
Maintenance:
Medium
Pest Susceptibility:
Fungal leaf spot, Root rot, Scale insects (Pest resistant, Deer resistant)
Course(s):
- HORT 1155
Location(s):
- (PDW) PonD West
- (TFL) Turf Field Lab
- (TFLS) Turf Field Lab South : dead?