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BFNA | Family List | BFNA Vol. 1 | Pottiaceae | Barbula

Barbula indica (Hooker) Sprengel in E. G. von Steudel, Nomencl. Bot. 2: 72. 1824.

  • Barbula cancellata J. K. A. Müller
  • Barbula cruegeri J. K. A. Müller.
  • Tortula indica Hooker

    Stems to 1.2 cm. Leaves firm when wet, long-ovate to ligulate, 0.5--1.8(--2) mm, base often elliptic, widened not strongly sheathing, margins plane or weakly recurved to midleaf, apex broadly acute to rounded, apiculate or occasionally muticous; costa percurrent or ending 1--4 cells before the apex, abaxial costal surface doubly prorate (rough by projections at each end of superficial cells), often also with simple or 2-fid papillae, hydroids absent; distal laminal cells firm-walled, quadrate, 7--10 um wide, 1:1, papillose. Specialized asexual reproduction by gemmae borne on stalks in leaf axils. Perichaetial leaves obtuse to broadly acute, strongly sheathing and convolute. Seta 1--1.8 cm. Theca 0.8--1.2 mm. Spores 10--12 µm.

    Varieties 2 (2 in the flora): North, Central and South America; Asia; Africa; Australia.

    Sporophytes are rare in the range of the flora (collection date of the single fruiting collection seen not given). The distal laminal margins are usually plane and the abaxial surface of the costa is prorate, i.e., papillose by projecting ends of cell walls, often forming doubled projections, but sometimes additionally papillose by simple or 2-fid papillae.

    1 Leaves narrowly oval to elliptic, margins plane or weakly recurved at midleaf; specialized asexual reproduction by small, green, obovoid gemmae occurring in masses in distal leaf axils, of several cells, 70--90 µm.   Barbula indica var. indica
    + Leaves broadly ovate, margins plane; specialized asexual reproduction by massive, brown, elliptic to spheric, many-celled gemmae occurring singly or very few together in distal leaf axils, of up to 50 cells, 95--300 µm.   Barbula indica var. gregaria

    Lower Taxa

    Related Synonym(s):


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