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Published In: Contributions from the University of Michigan Herbarium 23: 108. f. 1: e–g. 2001. (Contr. Univ. Michigan Herb.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 10/17/2009)
Acceptance : Accepted
Project Data     (Last Modified On 7/14/2018)
Status: endemic
Plant Category: Mosses
country distribution: Peru
EcoRegions: Puna
elevation: 3500-4000
substrate: leaf litter / humus
frequency: rare
General Reference:

Notes     (Last Modified On 7/14/2018)
Notes:

Ecology: Humid puna. Elevation: 3900 m. Distribution: Endemic to the tropical Andes (Peru). Assigned to section Cuspidata.

Ecología: Puna húmeda. Elevación: 3900 m. Distribución: Endémica para los Andes tropicales (Perú). Asignada a la sección Cuspidata.

A distinctive feature of this species, as noted by Crum (2001), is the nature of the branch leaves, spreading and strongly crisped, in dry condition. Leaves of both stem and branches are e fibrillose above, with few or no pores, and while the hyaline cells of most leaves are undivided, some leaves have a few cells that are obliquely divided 1-3 times.

Una característica distintiva de esta especie, de acuerdo a Crum (2001), es la naturaleza de las hojas de las ramas, patentes y marcadamente crespas, en seco. Hojas tanto de tallos y ramas son efibrilosas distalmente, con pocos poros o sin poros, y mientras las células hialinas de la mayoría de las hojas no son divididas, algunas hojas tienen unas cuantas células que son oblicuamente divididas 1-3 veces.


 

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Plants small, slender, yellowish, to 2 5 cm. Stems yellowish, cortex 2-layered, pores absent, wood cylinder pale yellow. Stem leaves triangular-lingulate, 1.4-1.6 mm, apex concave-acute, margins narrowly bordered; hyaline cells fibrillose in the upper half, undivided or some leaves on the same stem with some cells 1-3-divided, on the outer surface with pores absent or very few, small, round, at or near side corners, on the inner surface with pores absent. Branches in fascicules of 2-3 (2 spreading, 1 short, weak, and pendent or lacking). Branch leaves when dry subtubulose, spreading and strongly crisped, when moist erect with curved-spreading, ± homomallous tips, oblong-ovate, 1.5-2 mm, concave-tapered to a narrowly truncate, dentate apex, margins bordered by thick-walled, linear cells in 3-5 rows; hyaline cells fibrillose in the upper 1/2 or less, undivided, otherwise similar to those of stem leaves; in cross-section green cells triangular to trapezoidal, exposed only or broader on the outer surface, hyaline cells bulging on both surfaces, somewhat more so on the inner. Crum 2001.

Plantas pequeñas, delgadas, amarillentas, hasta 2 5 cm. Tallos amarillentos, corteza biestratificada, sin poros, cilindro leñoso amarillo pálido. Hojas del tallo triangular-lingüiformes, 1.4-1.6 mm, ápices cóncavo-agudos, márgenes angostamente bordeados; células hialinas fibrilosas en la mitad superior, no divididas o ciertas hojas del mismo tallo con algunas células 1-3-divididas, superficie externa sin poros o muy pocos, pequeños, redondeados, hasta o cerca de los ángulos laterales, superficie interna sin poros. Ramas en fascículos de 2-3 (2 patentes, 1 corta, débil, y pendiente o ausente). Hojas de las ramas sub tubulosas en seco, patentes y marcadamente crespas, en húmedo erectas con extremos curvado-extendidos, ± homómalas, oblongo-ovadas, 1.5-2 mm, ápices dentados cóncavo-afilados a angostamente truncados, márgenes bordeados por células lineares con paredes gruesas, en 3-5 filas; células hialinas fibrilosas en la mitad superior o menos, no divididas, por lo demás similares a las hojas del tallo; en corte transversal células verdes triangulares a trapezoidales, expuestas solo o más ampliamente en la superficie externa, células hialinas abultadas en ambos superficies, algo más en la superficie interna. Crum 2001.

 


 

 
 
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