Ophioglossum lusitanicum L.

Least adder's-tongue (en), Ophioglosse du portugal (fr), Ophioglosse du Portugal (fr)

Species

Pteridophytes > Ophioglossales > Ophioglossaceae > Ophioglossoideae > Ophioglossum

Characteristics

Rhizome erect, cylindrical; roots fleshy, spreading; horizontal ones producing vegetative buds often resulting in large colonies. Fronds 1 or 2, 1.5–20 cm tall. Common stipe 5–70 mm long. Sterile lamina 8–35 (–75) mm long, 2–15 mm wide, fleshy, elliptic, ovate to obovate, acute, more rarely obtuse; base rounded to truncate or cuneate and gradually tapering to a common stipe; venation single, usually obscure; areoles variable, as long as wide or elongated. Sporophore 5–120 mm long, on a stipe 5–110 mm long; sterile tip rarely more than 1.5 mm long. See also Green (1994: 553), as Ophioglossum coriaceum.
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A very small fern. It grows from a tuber or underground rhizome. It grows 5-15 cm high. There are one or two leaves at the base and a slender stalk or frond from the tuber. This is divided and one part is a fertile frond while the other is an infertile frond. The fronds are 12 mm-12 cm high. The infertile frond is like a leaf half way down the stalk. this can be 5 cm long. The tuber is edible.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality monoecy
Pollination hydrogamy
Spread autochory
Mature width (meter) -
Mature height (meter) 0.03 - 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 -

Environment

It is a temperate plant. It grows in grassland throughout New Zealand. It can grow up to 1200 or 1500 m altitude. It can survive harsh conditions including fire and flood. Tasmania Herbarium.
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Occurs in grasslands, heathlands and open woodlands, herbfields around tarns, freshwater swamps, rockholes, lakes, and other moist places and among rocks, often with mosses.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-11

Usage

The tuber is eaten after roasting.
Uses -
Edible roots tubers
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

Habit

Ophioglossum lusitanicum habit picture by Llandrich anna (cc-by-sa)
Ophioglossum lusitanicum habit picture by Llandrich anna (cc-by-sa)
Ophioglossum lusitanicum habit picture by Llandrich anna (cc-by-sa)

Leaf

Ophioglossum lusitanicum leaf picture by Marc Solà (cc-by-sa)
Ophioglossum lusitanicum leaf picture by Laure Dosso (cc-by-sa)
Ophioglossum lusitanicum leaf picture by Mallol Camprubí Albert (cc-by-sa)

Flower

Ophioglossum lusitanicum flower picture by Llandrich anna (cc-by-sa)
Ophioglossum lusitanicum flower picture by Llandrich anna (cc-by-sa)
Ophioglossum lusitanicum flower picture by Llandrich anna (cc-by-sa)

Distribution

Ophioglossum lusitanicum world distribution map, present in Albania, Australia, Cyprus, Algeria, Spain, France, United Kingdom of Great Britain and Northern Ireland, Georgia, Greece, Croatia, Israel, Italy, Lebanon, Morocco, Mauritania, Portugal, Tunisia, and Turkey

Conservation status

Ophioglossum lusitanicum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:17167680-1
WFO ID wfo-0001109036
COL ID 49X9J
BDTFX ID 45018
INPN ID 110307
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Ophioglossum loureirianum Ophioglossum braunii Ophioglossum lusitanicum