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Published In: Bryologia Silesiaca 49. 1869. (Bryol. Siles.) Name publication detail

Project Name Data (Last Modified On 1/30/2012)
Acceptance : Accepted
Project Data     (Last Modified On 10/28/2017)
Plant Category: Moss
EcoRegions: Puna
Elevation: 4000-4500
Substrate: rocks
Frequency: rare

Notes     (Last Modified On 10/28/2017)
general taxon notes:

The species described by Herzog, D. brunnea, is very likely a synonym of D. crispula.


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Plants rather small, forming short, dense tufts, yellowish- to brownish-green, dark brown below. Stems erect, to 1.5 mm high, several branched; in cross-section outer 1(2) rows of cells small, thick-walled, inner cells large, thin-walled, central strand weak. Leaves crispate, strongly curled when dry, erect-spreading to spreading when wet, linear-lanceolate to subulate from a narrowly elliptical base, 2.5-4 mm long, to 0.35 mm wide, distally channeled to subtubulose; margins distally erect to slightly incurved, entire or weakly crenulate by projecting cuticular ridges; costae single, 1/5-1/4 wide at base, subpercurrent, roughened on back by projecting cell walls; upper cells subquadrate, somewhat transverse elongate, 4-6 µm in diameter, few cells short rectangular, thick-walled, superficially smooth but with faint longitudinal striations in surface view, in cross-section appearing papillose but actually cuticular ridges; lower and basal cells oblong-rectangular, to ca. 50 µm long, 4-5 µm wide, mostly thick-walled; alar region mostly well differentiated, ca. 5-7 rows of cells, cells quadrate-rounded to oblong-short rectangular, 20-40 µm long, to 25 µm wide. Autoicous. Perigonia just below perichaetium. Perichaetia terminal; outer leaves slightly longer and broader at base, inner leaves sheathing, convolute, oblong-obtuse. Setae 1, 6-12 mm long, slender, smooth, distally twisted. Capsules erect, urn ovoid to ovoid-short cylindrical, 1.2-1.6 mm long, wrinkled, neck short; exothecial cells hexagonal to short rectangular, thin-walled; stomata at juncture of urn and neck, few, superficial; annuli not observed, possibly absent; opercula not observed [long rostrate, oblique]; peristome single, well below mouth, teeth 16, entire, not divided, hyaline, faintly papillose. Calyptrae cucullate, to ca. 2 mm long, smooth and naked. Spores spherical, to ca. 16 µm in diameter, smooth to faintly papillose.
Plantas muy pequeñas, formando manojos cortos, densos, amarillento- a verde-marrones, pardo oscuras en la porción basal. Tallos erectos, hasta 1.5 mm de alto, muy ramificados; en corte transversal 1(2) filas externas de células pequeñas, con paredes gruesas, células internas grandes, con paredes delgadas, cordón central débil. Hojas crespas, marcadamente rizadas en seco, erecto-extendidas a patentes en húmedo, lineo-lanceoladas a subuladas desde una base angostamente elíptica, 2.5-4 mm de largo, hasta 0.35 mm de ancho, distalmente acanaladas a subtubulosas; márgenes distalmente erectos a escasamente incurvados, enteros o débilmente crenulados por proyecciones de las estrías cuticulares; costa simple, ocupando 1/5-1/4 del ancho de la base, subpercurrente, rugosa en el envés por proyecciones de las paredes celulares; células superiores subcuadradas, algo alargadas transversalmente, 4-6 µm de diámetro, pocas células corto rectangulares, con paredes gruesas, aparentemente lisas pero con estrías longitudinales tenues en la superficie, en corte transversal de apariencia papilosa pero en realidad con estrías cuticulares; células inferiores y basales oblongo-rectangulares, hasta ca. 50 µm de largo, 4-5 µm de ancho, generalmente con paredes gruesas; región alar generalmente bien diferenciada, ca. 5-7 filas de células, células cuadrado-redondeadas a oblongo-corto rectangulares, 20-40 µm de largo, hasta 25 µm de ancho. Autoicas. Perigonios justo debajo de los periquecios. Periquecios terminales; hojas externas escasamente más largas que y anchas en la base, hojas internas envainadoras, convolutas y obloide-obtusas. Setas 1, 6-12 mm de largo, delgadas, lisas, distalmente torcidas. Cápsulas erectas, urna ovoide a corto-ovoide cilíndrica, 1.2-1.6 mm de larga, arrugada, cuello corto; células exoteciales hexagonales a corto rectangulares, con paredes delgadas; estomas en la unión de la urna y el cuello, pocos, superficiales; anillo no observado, posiblemente ausente; opérculo no observado [largo rostrado, oblicuo]; peristoma simple, muy debajo de la boca, 16 dientes, enteros, no divididos, hialinos, débilmente papilosos. Caliptra cuculada, hasta ca. 2 mm de largo, lisa y desnuda. Esporas esféricas, hasta ca. 16 µm de diámetro, lisas a débilmente papilosas.
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