Arabidopsis thaliana (L.) Heynh.
  • Fl. Sachsen
  • Tailís


Cite taxon page as 'WFO (2021): Arabidopsis thaliana (L.) Heynh. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000541830. Accessed on: 18 Sep 2021'

General Information

Herbs annual, (2-)5-30(-50) cm tall. Stems erect, 1 or few from base, simple or branched above, basally with predominantly simple trichomes, apically glabrous. Basal leaves shortly petiolate; leaf blade obovate, spatulate, ovate, or elliptic, 0.8-3.5(-4.5) cm × (1-)2-10(-15) mm, adaxially with predominantly simple and stalked 1-forked trichomes, margin entire, repand, or dentate, apex obtuse. Cauline leaves subsessile, usually few; blade lanceolate, linear, oblong, or elliptic, (0.4-)0.6-1.8(-2.5) cm × 1-6(-10) mm, entire or rarely few toothed. Fruiting pedicels slender, divaricate, straight, 3-10(-15) mm. Sepals 1-2(-2.5) mm, glabrous or distally sparsely pubescent with simple trichomes, lateral pair not saccate. Petals white, spatulate, 2-3.5 × 0.5-1.5 mm, base attenuate to a short claw. Filaments white, 1.5-2 mm. Ovules 40-70 per ovary. Siliques linear, terete, smooth, (0.8-)1-1.5(-1.8) cm × 0.5-0.8 mm; valves with a distinct midvein; style to 0.5 mm. Seeds ellipsoid, plump, light brown, 0.3-0.5 mm; cotyledons incumbent. Fl. and fr. Jan-Jun(-Oct). 2n = 10*.

  • Provided by: [H].Flora Of CHina @ efloras.org
    • Source: [
    • 11
    • ]. 

    Annuals; glabrous or pubescent, trichomes usually simple, sometimes mixed with stalked, forked ones. Stems simple or few from base, erect, unbranched or branched distally, (0.2-)0.5-3(-5) dm, pubescent basally, trichomes predominantly simple, glabrous apically. Basal leaves shortly petiolate; blades obovate, spatulate, ovate, or elliptic, 0.8-3.5(-4.5) cm × (1-)2-10(-15) mm, margins entire, repand, or dentate, apex obtuse, adaxial surface with predominantly simple and stalked, 1-forked trichomes. Cauline leaves subsessile; blade lanceolate, linear, oblong, or elliptic, (0.4-)0.6-1.8(-2.5) cm × 1-6(-10) mm, margins usually entire, rarely toothed. Fruiting pedicels divaricate, 3-10(-15) mm. Flowers: sepals 1-2(-2.5) mm, lateral pair not saccate basally, (glabrous or sparsely pubescent distally, trichomes simple); petals white, spatulate, 2-3.5(-4) × 0.5-1.5 mm, (base attenuate to claw); filaments 1.5-2 mm. Fruits cylindric or linear, smooth, terete, (0.8-) 1-1.5(-1.8) cm × 0.5-0.8 mm; valves each with distinct midvein; ovules 40-70 per ovary; style to 0.5 mm. Seeds light brown, (plump), ellipsoid 0.3-0.5 mm; cotyledons incumbent. 2n = 10.

  • Provided by: [G].Flora of North America @ efloras.org
    • Source: [
    • 12
    • ]. 

    "Annual or winter-annual 1–4 dm; lvs chiefly in a basal rosette, oblong to spatulate, 1–5 cm, stellate-hairy; cauline lvs smaller, linear to narrowly oblong; sep pilose; pet 2–3 mm; mature racemes very open, the widely divergent pedicels 5–10 mm; frs divergent or ascending, 1–2 cm × 1 mm; 2n=10. Native of Europe, naturalized in fields and waste places, especially in sandy soil, throughout most of the U.S. Apr.–June. (Sisymbrium t.)"

  • Provided by: [B].New York Botanical Garden
    • Source: [
    • 13
    • ]. 

    Annual, 5-20 (-45) cm tall, erect, simple or branched, usually from the base, often hairy below and suhglabrous above with short, branched or simple hairs. Basal leaves rosulate, obovate-oblong, 15-50 mm long, 5-10 mm broad, subsessile, slightly to distinctly toothed or entire; upper leaves, short, distant, oblong or linear, cuneate below. sessile. entire or obscurely toothed. Racemes (8-) 15-30 (-40)-flowered, up to 20 cm long in fruit. Flowers 2-3 mm across, white or pale pinkish; pedicels (5-) 8-15 mm long in fruit, filiform, subspreading or ascending. Sepals 1.5-2 mm long. Petals 3-4 mm long, 1 mm broad. Stamens 6 or 4, c. 1.5: 2.5 mm long (outer 2 sometimes suppressed) ; anthers c. 0.5 mm long. Siliquae (10-) 12-18 mm long, 1 mm broad, linear, subcylindrical, often somewhat upcurved, glabrous; valves 1-veined; stigma short, depressed, sub-sessile or on c. 0.5 mm long style; septum not veined; seeds usually 20-30 in each locule, c. 0.5 mm long.

  • Provided by: [F].Flora of Pakistan
    • Source: [
    • 14
    • ]. 

    Morphology

    Sepals green with narrow white margins, oblong, 1–2.2 mm. long, sparsely hairy.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Racemes ebracteate, densely corymbose, with normally 15–30 flowers, in fruit elongate, rather dense, usually up to 6 (rarely 15) cm. long; pedicels spreading to divaricate, 0.4–0.9 cm. long.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Short-lived herb, usually profusely branched from the base and with a rather dense leaf-rosette (lacking in old specimens).

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Basal leaves spathulate, obtuse, attenuate and indistinctly petioled, entire or serrulate, 0.5–4 cm. long, 0.3–1.5 cm. broad; cauline leaves few, sessile, elliptic to obovate, rather acute, cuneate, entire or sparsely dentate, 0.5–1.5 cm. long, 0.2–1 cm. broad; all leaves with sparse to dense stellate and simple hairs above, nearly glabrous beneath.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Stems erect to ascending, little or not branched, moderately covered by stellate to simple hairs, 1–10(–25) cm. high, in flower often overtopped by the leaf-rosette.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Petals white, spathulate with rounded apex, exceeding the sepals, 1.8–3.2 mm. long.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Stamens 6; anthers rounded, ± 0.3 mm. long.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Siliqua linear, somewhat dorsi-ventrally compressed and with a narrow septum, straight or slightly curved, 6–10(–20) mm. long, ± 0.7 mm. broad; style ± 0.3 mm. long, ± 0.2 mm. broad.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Seeds reddish brown, elliptic to ovate in outline, ± 0.7 mm. long, ± 0.4 mm. broad, minutely colliculate.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    Fig. 14.

  • Provided by: [E].Plants Of the World Online Portal - FTEA
    • Source: [
    • 10
    • ]. 

    5–40 cm hoch, oft verzweigt, unten rauhaarig. Grundständige Blätter in einer Rosette, oval, meist ganzrandig, bis 3 cm lang, besonders auf der Unterseite mit 2strahligen Haaren. Kronblätter 2–4 mm lang, weiss. Früchte 1–2 cm lang, sch

  • Provided by: [D].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 16
    • ]. 

    Slender annual or biennial herbs 5-25 cm high; lower part of stem densely puberulous with spreading simple hairs and sometimes with some branched hairs; upper part of stem glabrous or sparsely puberulous. Leaves mostly crowded into a rosette, 1-4 cm long, obovate to oblanceolate, entire or weakly dentate, petiolate; petiole with mostly simple hairs, blade on both surfaces scabro-puberulous with branched hairs; stem leaves few and small, sessile, lanceolate or narrowly oblong, usually entire, glabrous or sparsely puberulous. Raceme dense in flower, lax in fruit. Pedicels 0.5-1.2 cm long in fruit, slender, ascending or wide-spreading. Siliquae 1-2 cm long, 0.6-0.8 mm broad, linear; valves rounded on the back, 1-nerved; style very short. Seeds c.0.5 mm long, oblong, brown.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 17
    • ]. 

    Ecology

    4–5. Äcker, Wegränder, Mauern, kollin-montan(-subalpin). CH.

  • Provided by: [D].Flora Helvetica – Illustrierte Flora der Schweiz
    • Source: [
    • 16
    • ]. 

    Habitat

    Usually found in poor, lime-free soil.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 17
    • ]. 

    Distribution

    Distributed from northern Europe to north and central Asia and to Japan, spreading through the Mediterranean area into the mountains of east Africa. Naturalized in North America, South Africa and Australia.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 17
    • ]. 

    Distribution Map

     
    • Native distribution
    Found in
    • Europe Northern Europe Ireland

    Nationally Preferred Names

    NameLanguageCountry
    TailísIrishIE
    Thale cressEnglishIE

    Other Local Names

    NameLanguageCountry
    Arabina thalianaRaeto-RomanceCH
    Thale cress
    Arabette de ThaliusFrenchCH
    Arabetta comuneItalianCH
    SchotenkresseGermanCH

      Bibliography

     Information From

    Brassicaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    New York Botanical Garden
    Descriptions of plants should be attributed to the full citation for each individual article, chapter or book that is the source for each record, which should include the authors of original publication.
    • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute. http://ipt.sanbi.org.za/iptsanbi/resource?r=flora_descriptions&v=1.21
    • C All Rights Reserved
    Flora Helvetica – Illustrierte Flora der Schweiz
    http://www.flora-helvetica.ch
    Flora Helvetica – Illustrierte Flora der Schweiz, Konrad Lauber, Gerhart Wagner, Andreas Gygax. Haupt Verlag 2018.
    • D All Rights Reserved
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • E
    Flora of Pakistan
    http://www.tropicos.org/Project/Pakistan
    Flora of Pakistan. Missouri Botanical Garden. Accessed on Jun. 2020.
    • F Missouri Botanical Garden
    Flora of North America @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=1
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • G Flora of North America Association
    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • H Missouri Botanical Garden
    Irish Vernacular Names
    https://www.missouribotanicalgarden.org/plant-science/plant-science/research-staff/article/380/wyse-jackson-peter-s.aspx
    • I All Rights Reserved
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • J CC0 1.0 Universal (CC0 1.0).