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Published In: Bulletin of the Buffalo Society of Natural Sciences 32: 248. 1993. (Bull. Buffalo Soc. Nat. Sci.) Name publication detail

Project Name Data (Last Modified On 6/18/2009)
Acceptance : Accepted
Project Data     (Last Modified On 10/30/2017)
Plant Category: Moss
EcoRegions: Puna, Open Yungas montane
Elevation: 3000-3500, 3500-4000
Substrate: soil, rocks
Frequency: rare

Notes     (Last Modified On 10/30/2017)
general taxon notes:

      Ecology. High open montane (Yungas) and puna; on soil and rocks. Elevation. 3430-3930 m. Distribution. Bolivia: La Paz, Oruro. World range: tropical Andes (Ecuador, Peru, and Bolivia).

      Laminal cells of this species are smooth.



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Hennediella denticulata (Wilson) R.H. Zander
Plants small, forming loose turfs, or gregarious, yellowish green. Stems 0.3-0.7 cm high, simple. Leaves incurved to individually twisted when dry, erect-patent to patent when wet, elliptic to oblong-elliptic, occasionally orbicular or lingulate, (1.6)2.2-3.5(5.2) mm long, (0.6)0.8-1.4 mm wide, apex obtuse, occasionally acute; margins plane, dentate by (15)18-38(45) teeth per margin, unistratose; costa subpercurrent or percurrent, very rarely excurrent in a mucro, in cross-section semicircular, with 2(3) guide cells in 1(2) layers, and 3-4 rows of dorsal stereids; upper and median cells quadrate-hexagonal to rounded or rectangular, (10)20-40 µm long, (12.5)17.5-25 μm wide, smooth; marginal cells usually forming a border, (2)3-5(7) rows of linear to long-rectangular cells at midleaf, (43)80-120(143) µm long, (5)7.5-15(20) μm wide [ratio length/width (4)6-12(17.5)], usually thick-walled, smooth. Dioicous. [Setae 12-17(24) mm long. Capsules exserted; urn ovoid-cylindrical to cylindrical, 2.2-3.5 mm long; opercula long-conic, 1.3-1.8(2) mm long, not systylius, with spirally twisted cells; peristome teeth 32, spirally twisted, (400)550-720(810) μm long, basal membrane (420)610-730(800) μm long. Spores 7.5-12.5 μm in diameter].
Ecology. Puna;on soil on concrete wall and taluses. Elevation. 3700-3800 m. Distribution. Bolivia: La Paz, Oruro. World range: Bolivia, Brazil, Ecuador, Peru.  
Hennediella denticulata is easy distinguished by its elliptic to oblong-elliptic leaves, bordered by unistratose, rectangular to linear marginal cells and usually smooth and broad laminal cells. The Bolivian material lack sporophytes, so the description of this structure is based on tropical Andean specimens (Cano 2008).
Specimens. La Paz: Hermann 24714 (FLAS, US); Oruro: Cano et al. 3408a (MUB).


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