Asplenium vespertinum Maxon

Western spleenwort (en)

Species

Pteridophytes > Polypodiales > Aspleniaceae > Asplenium

Characteristics

Roots not proliferous. Stems short-creeping, rarely branched; scales black with lighter margins, linear-lanceolate, 2--3 × 0.2--0.4 mm, margins entire, or denticulate distally. Leaves monomorphic. Petiole reddish brown or purplish black throughout, lustrous, 2--5 cm, 1/4--1/6 length of blade, sometimes curved like a J at base; indument of blackish brown, filiform scales at base. Blade linear, 1-pinnate throughout, 5--15(--28) × 1--2.5 cm, thick, glabrous; base gradually tapered; apex acute, not rooting. Rachis reddish brown or purplish black throughout, shiny, glabrous. Pinnae 15--30 pairs, oblong; medial pinnae 5--10 × 2--3 mm; base rounded to cuneate; margins lobed or serrate; apex obtuse. Veins free, obscure. Sori 2--6 pairs per pinna, on both basiscopic and acroscopic sides. Spores 64 per sporangium.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.15
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-6
Soil humidity 5-7
Soil texture 5-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

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 -

Images

Asplenium vespertinum unspecified picture

Distribution

Asplenium vespertinum world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:22858-2
WFO ID wfo-0001109369
COL ID HLRW
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Asplenium vespertinum Asplenium trichomanes var. vespertinum Chamaefilix blepharoides var. vespertina