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Atriplex littoralis L.

Shore orache (en), Arroche littorale (fr), Arroche du littoral (fr)

Species

Angiosperms > Caryophyllales > Amaranthaceae > Atriplex

Characteristics

Erect, to 1.5 m; lvs green, the principal ones 2–12 cm, mostly linear to lanceolate or oblong and entire or merely toothed, obtuse to acuminate, narrowed to a short petiole; infls interrupted below, lfless above the base; fruiting bracteoles joined towards the ± spongy-thickened base, obscurely to evidently veined, 3–7 mm, broadly triangular to ovate, ± acute, usually with 2(–several) evident tubercles on the back; brown seeds 2–3 mm wide; black seeds 1.5–2 mm wide; radicle inferior; 2n=18. Sea beaches, and also commonly inland in saline habitats; widespread in N. Temperate regions. (A. patula ssp. l.) Most of our coastal plants are reputedly diploid, and may be intr. Inland and some coastal plants are reputedly hexaploid and probably native. (A. subspicata)
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Annual, dwarf shrub, 0.10-0.75 m high; branches greenish yellow-striped, ± angled. Leaves up to 100 x 150 mm, lanceolate to linear, entire sinuate or irregularly toothed, base petiole-like, both surfaces glabrescent. Male and female flowers in mixed separate clusters, up to 10 mm in diam. at end of terminal, long-stemmed panicles. Flowering time Mar., June. Fruiting bracts up to 5 x 4 mm, triangular-deltoid, squamose, thickish herbaceous. Seed ± 1 mm in diam., brown.
A herb.
Life form annual
Growth form
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination
Spread epizoochory
Mature width (meter) -
Mature height (meter) 0.25 - 0.75
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Seacoasts, riverside bluffs, sandy saline habitats; sometimes a weed of cultivated land.
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It is a temperate plant.
Light 7-9
Soil humidity 1-6
Soil texture 4-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible leaves seeds shoots
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 9 - 21
Germination temperacture (C°) 10 - 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Atriplex littoralis habit picture by Udo Herkommer (cc-by-sa)
Atriplex littoralis habit picture by Francois Mansour (cc-by-sa)
Atriplex littoralis habit picture by Pierfrancesco Burrato (cc-by-sa)

Leaf

Atriplex littoralis leaf picture by Vesa Silander (cc-by-sa)
Atriplex littoralis leaf picture by Vesa Silander (cc-by-sa)
Atriplex littoralis leaf picture by Udo Herkommer (cc-by-sa)

Flower

Atriplex littoralis flower picture by Rico Mende (cc-by-sa)
Atriplex littoralis flower picture by Vesa Silander (cc-by-sa)
Atriplex littoralis flower picture by Rolf Keller (cc-by-sa)

Distribution

Atriplex littoralis world distribution map, present in Austria, Belgium, Canada, Germany, Denmark, Algeria, Egypt, Estonia, Finland, France, United Kingdom of Great Britain and Northern Ireland, Greece, Croatia, Hungary, Italy, Liberia, Lithuania, Latvia, Morocco, Montenegro, Netherlands, Norway, Poland, Romania, Russian Federation, Slovakia, Sweden, United States of America, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:308388-2
WFO ID wfo-0000556238
COL ID JLHQ
BDTFX ID 8404
INPN ID 85083
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Atriplex marina Atriplex maritima Atriplex salicina Atriplex serrata Atriplex sulcata Atriplex salina Chenopodium littorale Atriplex hastata var. littoralis Atriplex littoralis var. japonica Atriplex patula var. littoralis Atriplex patula subsp. littoralis Atriplex subcordata var. japonica Atriplex hastata subsp. littoralis Atriplex littoralis
WorldFloraDB 2024