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!Leptodontium capituligerum Müll. Hal. Search in The Plant ListSearch in NYBG Virtual HerbariumSearch in Muséum national d'Histoire naturelleSearch in Type Specimen Register of the U.S. National HerbariumSearch in Virtual Herbaria AustriaSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical GardenAfrican Plants, Senckenberg Photo GallerySearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Linnaea 42: 323. 1879. (Linnaea) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 10/22/2013)
Acceptance : Accepted
Project data     (Last Modified On 10/22/2013)
Nomenclature: L. capituligerum C. Muell., Linnaea 42: 323. 1879.
L. gracile C. Muell. ex Britt., Bull. Torrey Bot. Club 32: 474. 1896.
Distribution: On soil at rather high elevations; Distrito Federal, Hidalgo, Mexico, Michoacan, Oaxaca, Puebla, and Veracruz. - Mexico to the Andes; Brazil and Uruguay; Ethiopia.
Discussion: This is the only Mexican Leptodontium with paired window-like areas of differentiated basal leaf cells. Leptodontium stoloniferum Zand. of Costa Rica, Colombia, and Ecuador has similar basal cells, but its propagula are clavate, borne on stout, fleshy stalks, and its oblong to ovate-lanceolate leaves are recurved at the base and incurved at the tips when dry. Zander (1972) incorrectly included L. tricolor (Williams) Zand. of Ecuador and Brazil in L. capituligerum.
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Plants medium-sized to large, in greenish-brown to yellowish-brown mats. Stems 2-9 cm long, sometimes brown-tomentose; cells of the hyaloderm collapsed. Propagula on short stalks on the upper part of the stems, obovoid, mostly with 2 cross-septa, 50-75 ´ 30-35 µm. Leaves erect and flexuose to contorted when dry, squarrose-recurved when moist, keeled above, 3.5-4 mm long, ovate-lanceolate to lanceolate, acute or broadly acute, sheathing at base, decurrent; margins recurved in the lower 1/2-2/3, dentate in the upper 1/3, with a marginal row of cells sparsely papillose above, elongate below; costa ending 2-5 cells below the apex, papillose dorsally, reniform in section; upper cells 11-15 µm, subquadrate, with spiculate papillae in a crown-like ring, raised by the bulging cell surface and often with a high-columnar base; inner basal cells rectangular, 50-70 ´ 11-14 µm, thin-walled, in large, well-marked window-like areas. Sporophytes unknown.


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