Bartramia pomiformis Hedw.
  • Sp. Musc. Frond.

Cite taxon page as 'WFO (2021): Bartramia pomiformis Hedw. Published on the Internet; Accessed on: 17 Jun 2021'

General Information

Plants in lax to dense tufts, green to glaucous, sometimes yellowish green. Stems 0.5-8 cm. Leaves flexuose to crisped when dry, laxly erect to erect-spreading when moist, narrowly lanceolate to linear, 4-7 mm; base scarcely sheathing, shoulders well developed, firm; margins revolute, coarsely toothed distally, teeth paired; apex subulate; costa excurrent, prominent, distal abaxial surface rough; basal laminal cell walls thin; medial and distal cells 4-15 × 4-8 µm, prorulae high. Sexual condition autoicous or synoicous. Seta 0.5-2.5 cm, flexuose. Capsule inclined, globose to ovoid, asymmetric, 1.5-2.5 mm; operculum conic convex; peristome double; exostome teeth 375-450 µm, granulose-papillose throughout; endostome basal membrane high, segments somewhat shorter than teeth, finely seriate-papillose, cilia rudimentary. Spores 20-26 µm.

  • Provided by: [B].Flora of North America @
    • Source: [
    • 1
    • ]. 


    4. Bartramia pomiformis Hedw.   梨蒴珠藓   li shuo zhu xian Sp. Musc. Frond. 164. 1801. Plagiopus pomiformis (Hedw.) Mach., Cat. Descr. Briol. Portug. 76. 1919. Type: Germany. Bartramia crispata Schimp. ex Besch., Ann. Sci. Nat., Bot., ser. 7, 17: 348. 1893. Bartramia crispo-ithyphylla C. Müll., Nuovo Giorn. Bot. Ital., n.s., 3: 105. 1896. Type: China. Shaanxi (Schen-si), June 1894, Giraldi s.n. Bartramia incurva Hopp., Deutschl. Fl., Abt. II, Cryptog. Fl. 2(6): 12. 1803. Bartramia japonica Dub., Mém. Soc. Phys. Genève, 26: 2. 1877, nom. illeg. Bartramia pomiformis var. crispa (Brid.) Bruch & Schimp., Bryol. Eur. 4: 43. 1842, nom. illeg. Bartramia crispa Brid., Muscol. Recent. 2(3): 131. 1803. Bartramia pomiformis var. elongata Turner, Ann. Bot. (Konig & Sims) 1: 527. 1805. Bartramia pseudocrispata Card. & Thér., Bull. Acad. Int. Géogr. Bot. 19: 19. 1909. Bartramia vulgaris Michx., Fl. Bor.-Amer. 2: 300. 1803, nom. illeg.   Plants medium-sized to rather large, whitish green to yellowish green, in dense tufts. Stems erect or suberect, 2–5 cm high, simple or branched, with dense brownish rhizoids at base. Leaves in 8 ranks, crisped when dry, erect-spreading when moist, linear-lanceolate, hardly sheathing at base, 0.5–0.6 mm wide, gradually narrowed toward apex, 3–5 mm long; margins serrate, single-toothed; costae percurrent, dentate at back in the upper part; upper leaf cells unistratose, bistratose at margins, shortly rectangular, thick-walled, papillose on both sides; basal cells irregularly rectangular, smooth, hyaline. Autoicous. Setae straight, reddish brown, 8–15 mm long; capsules inclined, spherical, asymmetric, with small, oblique mouth, longitudinally furrowed; opercula low conic; peristome double; exostome teeth lanceolate, reddish brown, papillose; endostome segments shorter than the teeth, pale yellowish; basal membrane low; cilia absent. Spores yellowish brown, 15–19 µm in diameter, coarsely papillose.    

  • Provided by: [C].Moss Flora of China
    • Source: [
    • 2
    • ]. 

     Information From

    World Flora Online Data. 2017.
    • A CC0 1.0 Universal (CC0 1.0).
    Flora of North America @
    'Flora of North America @ eFloras (2008). Published on the Internet [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    Moss Flora of China
    Moss Flora of China. Missouri Botanical Garden. Accessed on Jun. 2020.
    • C Missouri Botanical Garden
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).