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Las Briofitas. Bolivia Ecologica 59
!Dicranoweisia crispula (Hedw.) Milde 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 Garden Decrease font Increase font Restore font
 

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 1/30/2012)
EcoRegions: Puna
Elevation: 4000-4500
Substrate: rocks
Frequency: rare

Notes     (Last Modified On 1/30/2012)
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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