Noccaea arctica (A.E.Porsild) Holub

Arctic pennycress (en)

Species

Angiosperms > Brassicales > Brassicaceae > Noccaea

Characteristics

Perennials; (with persistent petiolar remains). Stems simple or several from caudex, erect, unbranched, 0.5-1.8 dm. Basal leaves: petiole 0.4-1.3 cm; blade oblanceolate to spatulate, 0.3-1.8 cm × 2-4 mm, base cuneate or attenuate, margins entire, apex obtuse. Cauline leaves 3-7; blade ovate or suboblong, 0.5-1 cm × 1-5 mm, base minutely auriculate, margins entire, apex obtuse to subacute. Racemes 0.5-6 cm. Fruiting pedicels ascending to horizontal, straight, 3-8 mm. Flowers: sepals 1.5-2.5 × 0.5-1 mm, (margins white); petals white, 3-5 × 2-2.5 mm, often flaring between blade and claw, apex rounded; filaments 2-3 mm; anthers ca. 0.5 mm. Fruits not winged, narrowly obovate, 6-10 × 2-3.5 mm, base cuneate, apex obtuse; ovules 8-14 per ovary; style (0.3-)0.6-1 mm. Seeds yellow-brown, 1.5-2 mm, nearly smooth. 2n = 14.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.18
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
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Hardiness (USDA) 4-9

Usage

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

Cultivation

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

Distribution

Noccaea arctica world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:1002596-1
WFO ID wfo-0001243442
COL ID 47KPS
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Thlaspi arcticum Noccaea arctica Noccaea montana subsp. arctica