Brachymenium exile (Dozy & Molk.) Bosch & Sande Lac.
  • Bryol. Jav.

Cite taxon page as 'WFO (2021): Brachymenium exile (Dozy & Molk.) Bosch & Sande Lac. Published on the Internet; Accessed on: 19 Jun 2021'

General Information


3. Brachymenium exile (Dozy & Molk.) Bosch & Sande Lac.   纤枝短月藓   qian zhi duan yue xian Bryol. Jav. 1: 139 1860. Bryum exile Dozy & Molk., Ann. Sci. Nat., Bot., ser. 3, 300. 1840. Type: Indonesia. Java. Brachymenium sikkimense Ren. & Card., Bull. Soc. Roy. Bot. Belgique 38(1): 12. 1900. Bryum tectorum C. Müll., Nuovo Giorn. Bot. Ital., n.s., 3: 95. 1896, hom. illeg. Type: China. Shaanxi (Schen-si), Sept. 1894, Giraldi s.n.   Plants small, ca. 5 mm high, yellowish green or pale brownish green, in loose or dense tufts. Stems erect, with a few newly innovated branches. Leaves crowded, larger above, erect-spreading when dry and moist, ovate-lanceolate to lanceolate, ca. 1.0 mm × 0.5 mm, somewhat keeled; margins entire, slightly recurved below; costae excurrent; median leaf cells elongate-hexagonal to rhomboidal, 25–45 µm × 8–10 µm; upper margins differentiated by 1 row of somewhat rectangular cells; basal cells nearly quadrate to rectangular, all cells somewhat thick-walled. Dioicous. Setae 8–10 mm long; capsules often erect, ovoid to shortly pyriform, expanded at neck area; opercula conic; exostome teeth well developed; endostome segments reduced; basal membrane ca. 1/2 the teeth height; cilia rudimentary. Spores 10–13 µm in diameter.  

  • Provided by: [C].Moss Flora of China
    • Source: [
    • 1
    • ]. 

    Brachymenium exile (Dozy & Molk.) Bosch & Lac., Bryol. Jav. 1: 139. 1860.

    Bryum exile Dozy & Molk., Ann. Sci. Nat. Bot. sér. 3, 2: 300. 1844. Protologue: Java, Sumatra. 

    Plants minute, yellow-green, gregarious or in tufts. Stems slender, 2–7 mm long, epidermal cells rectangular, sparsely tomentose at base; rhizoids reddish brown, lightly papillose. Leaves 0.5–0.8 mm long, erect-appressed to imbricate, spreading when wet, concave, ovate; apices short acuminate; margins weakly bordered by short-rectangular cells, entire, erect above, slightly reflexed below; costa stoutly short-excurrent, ventral superficial cells at base quadrate to rectangular; cells firm-walled throughout, upper cells hexagonal to rhomboidal-hexagonal, 30–50 x 10 μm, basal cells quadrate to short-rectangular, 10–20 x 10 μm. Bulbous axillary gemmae sometimes present. Dioicous. Setae 15–30 mm long, red. Capsules 1.5–2.0 mm long, claviform to obovate-oblong, constricted at neck, erect; opercula 0.3–0.5 mm long, conic; annuli compound, revoluble; exostome teeth whitish red, thickly papillose, endostome yellowish, papillose, basal membrane to ¾–_ the exostome teeth length, segments rudimentary, cilia rudimentary to absent. Spores 10–14 μm, lightly roughened. Calyptrae 1 mm long, cucullate, hyaline-yellow below, reddish above.

  • Provided by: [D].Moss Flora of Central America
    • Source: [
    • 1
    • ]. 

    Distribution Map

    • Native distribution
    Found in
    • Southern America Brazil Bahia
    • Pernambuco
    • Rio de Janeiro
    • São Paulo
    • Goiás
    • Mato Grosso do Sul

     Information From

    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
    • A Group Brazil Flora, REFLORA Program
    World Flora Online Data. 2017.
    • B CC0 1.0 Universal (CC0 1.0).
    Moss Flora of China
    Moss Flora of China. Missouri Botanical Garden. Accessed on Jun. 2020.
    • C Missouri Botanical Garden
    Moss Flora of Central America
    Moss Flora of Central America. Missouri Botanical Garden. Accessed on Jun. 2020.
    • D Missouri Botanical Garden
    World Flora Online consortium
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).