Diphyscium mucronifolium Mitt.
  • Bryol. Jav.


Cite taxon page as 'WFO (2021): Diphyscium mucronifolium Mitt. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-0001164582. Accessed on: 27 Jan 2021'

General Information

Plants dark green to brownish, somewhat glossy, tightly affixed to substratum. Stems 0.5-1 mm, erect, strongly radiculose. Leaves 0.5-5 mm, and somewhat crisped when dry, apex acute, the most proximal leaves reduced, laminal cells smooth, margins entire. Perichaetial leaves with smooth awn, 9-12 mm, lamina at awn base lacerate but not membranaceous. Capsule narrowly ovoid, 2-3 mm, stomata absent, mature capsules sheathed in penicellate perichaetium, awns extending more than twice the length of the immersed capsule. Spores 9-12 µm.

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

     

    6. Diphyscium mucronifolium Mitt. in Dozy & Molk.   卷叶短颈藓   juan ye duan jing xian Bryol. Jav. 1: 35. Pl. 26. 1855. Webera mucronifolia (Mitt.) Broth., Nat. Pflanzenfam. I(3): 664. 1904. Type: Borneo. Labuan, Motley 4 (holotype NY). Diphyscium involutum Mitt., J. Proc. Linn. Soc., Bot., Suppl. 1: 149. 1859. Webera involuta (Mitt.) Broth., Nat. Pflanzenfam. I(3): 664. 1904.   Plants small to medium-sized, 5–24 mm high, often in clumps. Stems usually simple, rarely branched; in stem cross section a central strand present. Leaves curled when dry, erect-spreading when moist, 3–6 mm × 0.3–1.0 mm, oblong-lanceolate to ligulate, acute to broadly acute, mucronate to apiculate at apex; leaf margins entire throughout, 2–4 cells thick in cross section; costa percurrent or shortly excurrent, with two stereid bands; leaf cells unistratose at base, bistratose above; median cells rounded to quadrate, 5–12 µm in diameter, smooth; basal cells rectangular, 15–50 µm × 4–10 µm, hyaline, smooth. Axillary hairs 5–15 cells long. Dioicous. Male plants usually smaller than female plants. Perichaetia terminal; perichaetial leaves lanceolate, awn excurrent, smooth; margins dissected or laciniate above. Setae short, to 0.3 mm long; capsules oblong-ovoid, obliquely asymmetric, 3–5 mm × 1.0–2.5 mm, abruptly narrowed at base and mouth; exothecial cells collenchymatous; stomata absent; annuli well differentiated, consisting of 1–3 rows of thick-walled cells; opercula conic, to 1 mm long, obtuse; peristome present. Calyptrae conic, smooth. Spores spherical, 8–14 µm in diameter, papillose.    

  • Provided by: [B].Moss Flora of China
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    • 3
    • ]. 

    Literature

    SELECTED REFERENCE

    Harvill, A. M. 1950. Diphyscium cumberlandianum, a pre-Pliocene relic with palaeotropical affinities. Bryologist 53: 277-282.

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

     Information From

    Buxbaumiaceae
    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Moss Flora of China
    http://tropicos.org/Project/MFC
    Moss Flora of China. Missouri Botanical Garden. Accessed on Jun. 2020.
    • B 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.
    • 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).