Stachys arvensis (L.) L.
  • Sp. Pl. ed. 2


Cite taxon page as 'WFO (2020): Stachys arvensis (L.) L. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0000313721. Accessed on: 29 Oct 2020'

General Information

Herbs annual. Stems slender, suberect to decumbent, 30-50 cm, sparsely puberulent, much branched. Stem leaves petiolate; blade ovate, ca. 2 × 1 cm, adaxially sparsely puberulent, abaxially densely pubescent, sparsely puberulent on veins, base cordate, margin crenate, apex obtuse. Verticillasters 2(-4)-flowered, widely spaced; upper floral leaves sessile, base cuneate, margin ± entire, shorter than calyx; bracteoles ca. 1 mm. Pedicel ca. 1 mm. Calyx tubular-campanulate, ca. 3 mm, densely puberulent, 10-veined; teeth subequal, lanceolate-triangular, ca. 1 mm, apex acute; fruiting calyx urceolate, conspicuously netted. Corolla red, ca. 3 mm, nearly included; upper lip ovate, ca. 1 mm, puberulent outside; lower lip spreading, pubescent outside; middle lobe largest, circular; lateral lobes ovate. Nutlets brown, ovoid, ca. 1.5 mm. Fl. and fr. year round.

  • Provided by: [C].Flora Of CHina @ efloras.org
    • Source: [
    • 1
    • ]. 

    "Taprooted annual; stems diffuse or decumbent, 2–6 dm, sparsely hirsute; lvs broadly ovate, 2–4 cm, broadly obtuse or rounded at the summit, coarsely serrate, truncate or subcordate at base; petioles of the main lvs a third to half as long as the blade; cal-lobes nearly as long as the tube; cor anthocyanic to white, 6–8 mm, scarcely exceeding the cal; 2n=10, 20. Native of Europe, now an occasional weed from Me. to Va. and casually inland. July–Oct."

  • Provided by: [E].New York Botanical Garden
    • Source: [
    • 2
    • ]. 

    Morphology

    Annual herb branching from the base; stems erect or decumbent, simple or branched, 0.2-0.4 m long, hispid-pilose with long spreading hairs. Leaves petiolate; blade broadly ovate, 20-30 x 10-20 mm, appressed-pilose on both surfaces, apex rounded, base shallowly cordate to truncate, margin crenate to crenate-serrate; petiole up to 10 mm long. Inflorescence of several verticils, lax below, crowded towards the apex; verticils (2-)4-6-flowered; bracts leaf-like below, becoming smaller and subequal to the calyx above. Calyx hirsute with long multicellular hairs and some gland-tipped hairs, 6-7 mm long. Corolla scarcely longer than the calyx, mauve; tube 5 mm long; upper lip 1.5 mm long; lower lip 2 mm long.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Hairy annual to 40 cm. Leaves petiolate, broadly ovate, toothed. Flowers in verticils, calyx softly hairy, corolla scarcely longer than calyx, mauve or white.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Habitat

    Found as a garden weed.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Weed of cultivation.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Distribution

    Indigenous in Europe, the Middle East, north Africa and the Atlantic Islands, now widespread throughout the World and introduced into South Africa before the end of the 17th Century (represented in Herb. Oldenland fide Burm. f., Fl. Cap. Prodr. 16, 1768); mainly in the south-western Cape Province, with two records from East London.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 3
    • ]. 

    Eurasian weed.

  • Provided by: [B].e-Flora of South Africa
    • Source: [
    • 4
    • ]. 

    Distribution Map

     
    • Introduced distribution
    Introduced into
    • Southern America Brazil Bahia
    • Paraní
    • Rio Grande do Sul
    • Santa Catarina
    • Minas Gerais
    • Rio de Janeiro
    • São Paulo

      Bibliography

     Information From

    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    http://floradobrasil.jbrj.gov.br
    Brazil Flora G (2014): Brazilian Flora 2020 project - Projeto Flora do Brasil 2020. v393.147. Instituto de Pesquisas Jardim Botanico do Rio de Janeiro. Dataset/Checklist. doi:10.15468/1mtkaw
    • A Group Brazil Flora, REFLORA Program
    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
    • B All Rights Reserved
    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.
    • C Missouri Botanical Garden
    Lamiaceae
    • D 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.
    • E Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • F CC0 1.0 Universal (CC0 1.0).