Onoclea struthiopteris Roth

Species

Pteridophytes > Polypodiales > Onocleaceae > Onoclea

Characteristics

A deciduous fern. It grows 90-150 cm high and 60-90 cm wide. The fronds form an outer ring of sterile fronds. These are gently arching and yellow-green. They can be 90 cm long. The shorter greenish-brown fronds are fertile. The fronds are broadly spear-shaped, very thin and deeply cut. They have blackish-brown midribs.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination hydrogamy
Spread autochory
Mature width (meter) 1.0
Mature height (meter) 1.0
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) 0.3
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant. It is frost hardy. It needs damp conditions. It needs good light but not direct sun. It suits hardiness zones 3-10. In Sichuan.
Light 3-6
Soil humidity 3-7
Soil texture 1-6
Soil acidity 2-7
Soil nutriment -
Hardiness (USDA) 2-8

Usage

The coiled fronds are eaten. They are eaten raw or cooked. They are also cooked in stir fried dishes and soups. The thick unrolled fronds are salted and boiled and served on toast with oil or butter. The starch in the rhizomes are used for noodles. The rootstocks are eaten boiled or roasted.
Uses food medicinal oil ornamental potherb
Edible fronds leaves rhizomes roots
Therapeutic use Gynecological Aid (leaf), Orthopedic Aid (leaf)
Human toxicity -
Animal toxicity -

Cultivation

It is grown by offsets from the runners. It can be grown from spores but this is very slow.
Mode divisions
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Onoclea struthiopteris world distribution map, present in China, France, Japan, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:17275510-1
WFO ID wfo-0001429065
COL ID 3YF7H
BDTFX ID 41072
INPN ID 107486
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Struthiopteris cordi Struthiopteris heterophylla Struthiopteris struthiopteris Onoclea nodulosa Osmunda struthiopteris Struthiopteris filicastrum Struthiopteris germanica Pteretis struthiopteris Matteuccia struthiopteris Matteuccia nodulosa Struthiopteris europaea Pterinodes struthiopteris Onoclea struthiopteris Matteuccia struthiopteris subsp. sinuata Matteuccia struthiopteris var. acutiloba