Diplazium leptophyllum Christ

Species

Pteridophytes > Polypodiales > Athyriaceae > Diplazium

Characteristics

Plants evergreen, medium-sized. Rhizome creeping, densely scaly; scales black, linear-lanceolate, ca. 1 cm, entire, apex filiform, slightly curly; fronds approximate. Fertile frond up to 1 m; stipe brown at base, upward stramineous, ca. 40 cm, base sparsely scaly, upward subglabrous; lamina 2-pinnate with pinnules pinnatipartite, deltoid-ovate, up to ca. 50 × 45 cm at base, apex acuminate; pinnae up to 8 pairs, alternate, spreading, lower pinnae 8-10 cm apart; basal pinnae broadly lanceolate, up to 35 × 12 cm, base crenate, with stalk up to 5 cm, apex acuminate; pinnules up to 12 pairs, alternate, slightly ascending, sickle-shaped lanceolate, ca. 10 × 3 cm, base shallowly cordate, with stalk up to 8 mm, pinnatipartite, apex acuminate; pinnule lobes up to 10 pairs, oblong, up to 2 × 1.4 cm, margin dentate or shallowly pinnatifid, apex obtuse; basal lobes largest, basiscopic lobe ovate-oblong, nearly pinnatifid; veins prominent, pinnate, veinlets 5 or 6 pairs per each lobe, 2-or 3-furcate, ascending. Lamina herbaceous, yellow-green when dry, glabrous on both surfaces; rachis and costae stramineous, glabrous, shallowly grooved adaxially. Sori linear, 4-6 mm, 6 or 7 pairs per lobe, inframedial, from midrib to near lobe margin, usually double or forked; indusia light brown, linear, membranous, persistent. Spores bean-shaped, perispore indistinguishable, with dense aculeate ornamentation on surface.
Life form -
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 4-6
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Diplazium leptophyllum world distribution map, present in China, India, Sri Lanka, Myanmar, and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:17269030-1
WFO ID wfo-0000154548
COL ID 36HNJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Diplazium cognatum Diplazium leptophyllum Athyrium cognatum