Details of...
Scientific Name: Polystichum luctuosum ( syn. P. tsus-simense )
Pronunciation: puh-LISS-tih-kum LUCK-to-oh-sum
Common Name: Korean rock fern
Family Name: Dryopteridaceae
Plant Type: Fern, Indoor foliage plant
Key ID Features: Fern 30-45 cm tall, fronds bipinnate, upright, dark green upper surface, olive green lower surface, black veins; stipe grooved, brown-black with usually very dark and narrow scales; pinnae lanceolate, finely divided, glossy with spiny-toothed margins; indusia large and persistent.
Course(s): not used (off campus)

Habit: Arching
Form: Vase
Texture: Medium - fine
Mature Size:
Height:0.2 - 0.4m
Spread:0.3 - 0.6m
Growth Rate:Moderate
Origin: S.E. Asia / Japan / China
Hardiness Rating: Zone 6: (-23 to -18 C)
Exposure: Deep shade, Filtered shade, Part sun/part shade
Soil/ Growing Medium: Acidic, Humus rich, Well-drained
Water Use: Low
Landscape Uses: Accent plant, Alpine, Container planting, Ground cover, Group or mass planting, Mixed shrub border, Rock garden, Small garden/space, Summer interest, Woodland margin
Additional Info: Google
Korean rock fern
Leaf Morphology: Glossary
Form: Compound, Fern-like
Arrangement: Basal
Texture/ Venation:
Surfaces: Glabrous
Compound Leaf: Bipinnate
Colour in Summer: Purple, Dark-green
Colour in Fall: Green
Leaf(let) Terms:
Shapes: Lanceolate, Oblong, Ovate
Apices: Mucronate
Bases: Oblique (uneven)
Margins: Dentate

Inflorescence Type: n/a
Flower Morphology:n/a
Colour (petals): No flowers
Flower Time at Peak:

Fruit Type: Sporangium (spores)
Fruit Colour: Brown
Fruiting Time: Apr, May
Additional Info: sori initially white, then turning black

Bark or Stem Colour:
Additional Info:no above ground stem
Organ Modifications: Rhizomes

Propagation: Spore
Plant Care:
Maintenance:Low maintenance plant
Pest Susceptibility: Pest resistant, Disease resistant
(NCA) Not Currently Available : not used
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