Woodwardia japonica (L.F.) Sm.

Species

Pteridophytes > Polypodiales > Blechnaceae > Woodwardioideae > Woodwardia

Characteristics

Rhizome decumbent, dark brown, stout, 3-5 cm in diam., densely scaly; scales dark brown, lanceolate or linear-lanceolate, ca. 1.5 cm, membranous, entire, apex acuminate, sometimes fibriform. Stipes close, 15-70 cm, 5-8 mm in diam., base densely scaly; upper part of stipe and rachis sparsely covered with brown, fibriform scales; lamina bipinnatifid, elliptic or lanceolate, 25-85 × 18-45 cm, leathery, apex acuminate; pinnae 7-15 pairs, subsessile or shortly stalked, broadly lanceolate; middle pinnae 12-25 × 2-4 cm, base acroscopically truncate, basiscopically rounded, margin cut 1/2 way to costa, apex acuminate; lobes 11-16 pairs, close, oblique, hemielliptic or hemiovate, lowest pair shortened, basiscopic lobe rounded, ovate or auriculate, 5-10 mm, apex rounded; middle lobes 1.3-2.2 × 0.7-1 cm, margin serrulate, apex acute; veins anastomosing with 2 or 3 rows of areoles along costae and costules, distally free, simple or forked. Sori occupying costular areoles, discrete, linear, sunken; indusia brown. 2n = 68.
More
A fern. The rhizome is dark brown and lies along the ground. It is 5-6 cm across. The blade is twice divided.
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Growth form herb
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Foliage retention deciduous
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Mature width (meter) 0.05 - 0.06
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Root system rhizome
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a subtropical plant. In eastern China it grows between 300-1,500 m above sea level.
Light -
Soil humidity 1-3
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Hardiness (USDA) 8-12

Usage

The starch in the rhizome is used for cakes and noodles.
Uses medicinal
Edible rhizomes roots
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Cultivation

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Images

Woodwardia japonica unspecified picture

Distribution

Woodwardia japonica world distribution map, present in China, Japan, Lao People's Democratic Republic, Myanmar, Thailand, Taiwan, Province of China, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:17235430-1
WFO ID wfo-0001114567
COL ID 5C3CB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Woodwardia omeiensis Blechnum japonicum Woodwardia cochin-chinensis Woodwardia affinis Woodwardia japonica