Gemmabryum ruderale (A.C. Crundwell & Nyholm) J.R. Spence
  • Phytologia


Cite taxon page as 'WFO (2020): Gemmabryum ruderale (A.C. Crundwell & Nyholm) J.R. Spence. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001214223. Accessed on: 04 Jun 2020'

General Information

Plants small, green or yellow-green, often with reddish tinge. Stems 0.4-2(-3) cm; rhizoids red-violet to deep red. Leaves loosely set, ovate-lanceolate, weakly concave, 0.4-1(-1.5) mm; base not decurrent; margins plane to weakly revolute proximally, entire to serrulate distally, limbidium absent; apex acute; costa short-excurrent, awn stout; alar cells similar to adjacent juxtacostal cells; proximal laminal cells abruptly quadrate to short-rectangular, 2-4:1; medial and distal cells (30-)40-60 × 8-14 µm, 3-4:1. Specialized asexual reproduction by rhizoidal tubers, on long rhizoids in soil, purple-red or rarely orange, irregularly spheric, (120-)150-200 µm, cells 25-50 µm, smooth. Sexual condition dioicous. [Capsule inclined or nutant, 1-3 mm].

  • Provided by: [C].Flora of North America @ efloras.org
    • Source: [
    • 1
    • ]. 

    Diagnostic Description

    Gemmabryum ruderale is characterized by red-purple to violet rhizoids and relatively large, spheric, purple-red rhizoidal tubers.

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

    Morphology

    Plants small, green or yellow-green, often with reddish tinge. Stems 0.4-2(-3) cm; rhizoids red-violet to deep red. Leaves loosely set, ovate-lanceolate, weakly concave, 0.4-1(-1.5) mm; base not decurrent; margins plane to weakly revolute proximally, entire to serrulate distally, limbidium absent; apex acute; costa short-excurrent, awn stout; alar cells similar to adjacent juxtacostal cells; proximal laminal cells abruptly quadrate to short-rectangular, 2-4:1; medial and distal cells (30-)40-60 x 8-14 µm, 3-4:1. Specialized asexual reproduction by rhizoidal tubers, on long rhizoids in soil, purple-red or rarely orange, irregularly spheric, (120-)150-200 µm, cells 25-50 µm, smooth. Sexual condition dioicous. [Capsule inclined or nutant, 1-3 mm].

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

    Habitat

    Damp disturbed soil, sand; low to moderate elevations.

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

    Distribution

    Ont.; Ariz., Calif., La., Tex.; Eurasia; n, s Africa; Atlantic Islands (Macaronesia); Pacific Islands (New Zealand).

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

     Information From

    Bryaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    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 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.
    • C Flora of North America Association
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).