Asplenium viride Huds.

Green spleenwort (en), Doradille verte (fr), Asplénium à pétiole vert (fr)

Species

Pteridophytes > Polypodiales > Aspleniaceae > Asplenium

Characteristics

Plants small, 8-15 cm tall. Rhizome erect or ascending, short, apex scaly; scales black, narrowly triangular, often with glandular appendages at base. Fronds caespitose; stipe reddish brown or castaneous only at base, upward green, 2-6 cm, with dark brown narrow scales or subglabrous; lamina linear, 6-15 × 1-1.3 cm, base reduced, apex acute, 1-pinnate; pinnae 14-20 pairs, rhombic-ovate to orbicular, stalked, basal pinnae opposite, upper pinnae alternate, middle pinnae 4-6 × 4-6 mm, margins crenate to (sometimes) deeply incised, apex obtuse, lower 2 or 3 pairs reduced and gradually deltoid, base subtruncate. Vein pattern obscure, anadromously pinnate, veins simple or forked, not reaching margin. Fronds herbaceous, green; rachis green, adaxially longitudinally grooved. Sori 4-8 per segment, linear, 1-1.5 mm, confluent at maturity; indusia greenish white, semi-elliptic, membranous, entire or slightly toothed, opening toward costa and persistent. Spores with average exospore length 30-33 µm, perispore lophate (alate). Plants sexual diploid: 2n = 72.
More
Rhizome 1 mm thick, the scales few, 3–4 mm; lvs numerous, 5–15 cm, the petiole to 4 cm, brownish at base, green distally; blade thin, not evergreen, linear-oblong, pinnate throughout, to 1.5 cm wide, acute, scarcely narrowed toward the base, the rachis green and flattened; pinnae 9–16 pairs, subopposite at base, alternate upwardly, sessile, 3–9 × 2–4 mm, obtuse, cuneate at base, bluntly toothed, not auriculate; 2n=72. Shaded limestone rocks; circumboreal, in Amer. s. to N.S., n. Vt., n. N.Y., Wis., Colo., and Wash.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality monoecy
Pollination hydrogamy
Spread anemochory
Mature width (meter) -
Mature height (meter) 0.06 - 0.15
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 4-6
Soil humidity 5-7
Soil texture 6-9
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-8

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Asplenium viride habit picture by Tom Spruit (cc-by-sa)
Asplenium viride habit picture by Sylvain Piry (cc-by-sa)
Asplenium viride habit picture by Llandrich anna (cc-by-sa)

Leaf

Asplenium viride leaf picture by Kṣemarāja (cc-by-sa)
Asplenium viride leaf picture by Tom Spruit (cc-by-sa)
Asplenium viride leaf picture by Peter V (cc-by-sa)

Flower

Asplenium viride flower picture by Kṣemarāja (cc-by-sa)

Distribution

Asplenium viride world distribution map, present in Afghanistan, Albania, Andorra, Armenia, Austria, Azerbaijan, Belgium, Bulgaria, Bosnia and Herzegovina, Canada, Switzerland, China, Cyprus, Czech Republic, Germany, Spain, Finland, France, United Kingdom of Great Britain and Northern Ireland, Georgia, Greece, Greenland, Croatia, Hungary, India, Iran (Islamic Republic of), Iraq, Iceland, Italy, Japan, Kazakhstan, Kyrgyzstan, Liberia, Liechtenstein, Luxembourg, Morocco, North Macedonia, Montenegro, Norway, Nepal, Pakistan, Poland, Romania, Russian Federation, Serbia, Slovakia, Slovenia, Sweden, Tajikistan, Turkey, Taiwan, Province of China, Ukraine, United States of America, Uzbekistan, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:17053570-1
WFO ID wfo-0001109866
COL ID HLSC
BDTFX ID 7765
INPN ID 84540
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Asplenium umbrosum Chamaefilix trichomanes-ramosa Asplenium vogesiacum Trichomanes viride Asplenium trichomanes var. ramosum Asplenium ramosum Asplenium viride subsp. incisum Asplenium viride var. robustum Asplenium viride