Archidium amplexicaule Müll. Hal.
  • Linnaea

Cite taxon page as 'WFO (2021): Archidium amplexicaule Müll. Hal. Published on the Internet; Accessed on: 24 Jun 2021'

Diagnostic Description

Archidium amplexicaule is closely related to A. andersonianum; but is separated by its julaceous innovations, smaller ovate to oblong-ovate perichaetial leaves and percurrent costae.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 


    Plants gregarious or in tufts, yellowish; terricolous. Stem erect, 3-10 mm high, branching by subperichaetial, julaceous innovations; in section central strand small, cortical cells undifferentiated, in 3 rows. Leaves bract-like, distant below, crowded above, appressed to erect-spreading; ovate to ovate-lanceolate, acuminate, 0.8-1.2 mm long; apex occasionally apiculate; margins plane or narrowly recurved, entire. Costa weak, percurrent. Laminal cells irregular, quadrate to rectangular or rhomboidal; basal cells rectangular. Perichaetia terminal. Leaves erect; ovate to oblong-acuminate, 1.0-1.8 mm long, margins plane to narrowly recurved above, entire to slightly crenulate above. Costa weak, percurrent to short-excurrent, in section semicircular, cells undifferentiated. Laminal cells irregular, rectangular and rhombic to rhomboidal, 23-36 µm long; basal cells irregularly rectangular, thin-walled, hyaline. Spores 8-36 per capsule, irregularly rounded to tetrahedral, 130-210 µm, smooth, yellowish.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 


    This species occurs in South America and in the Flora area it is restricted to the southwestern Cape.

  • Provided by: [C].e-Flora of South Africa
    • Source: [
    • 2
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Southern America Brazil Rio Grande do Sul
    • Santa Catarina


    • 1 Linnaea
    • 2 van Rooy, J. 1981. Archidiaceae. Fl. S. Africa Bryophyta(1,1): 71 - 81.

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Brazilian Flora 2020 project - Projeto Flora do Brasil 2020
    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
    • B Group Brazil Flora, REFLORA Program
    e-Flora of South Africa
    e-Flora of South Africa. v1.21. 2018. South African National Biodiversity Institute.
    • C All Rights Reserved
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).