|
|
Myurella Schimper in P. Bruch, W. P. Schimper & W. Gümbel, Bryol. Eur. 6: 39. 1853.
[referring to the smoothly cylindric, mouse-tail appearance of branches]
Dale H. Vitt
Plants thread-like. Branches simple to irregularly branched, erect-ascending to creeping; paraphyllia absent. Leaves imbricate and erect to wide-spreading and widely spaced, concave, ovate, blunt, and sometimes apiculate; margins erect, subentire to serrulate; laminal cells rhomboidal, firm-walled, nearly smooth to strongly 1-papillose abaxially; costa short, single, double, weak or almost absent; alar cells not differentiated. Sexual condition dioicous. Sporophytes rare. Capsule erect to nearly horizontal, cylindric, smooth; peristome double, well-developed. Calyptra cucullate.
Species 9 (3 in the flora); worldwide except Antarctica . Small, slender plants of calcareous rock shelves and calcareous moist soils, mostly in boreal and Arctic zones.
|
|
1 |
Leaf cells with one, large stout papilla abaxially. |
|
Myurella sibirica |
+ |
Leaf cells smooth or prorulose abaxially. |
|
(2) |
|
|
|
|
2 (1) |
Leaves imbricate, erect, rounded-obtuse to occasionally short-apiculate. |
|
Myurella julacea |
+ |
Leaves distant, wide-spreading, shortly acuminate-apiculate. |
|
Myurella tenerrima |
|
|
Lower Taxa
Related Synonym(s):
Related Links (opens in a new window) |
Treatments in Other Floras @ www.efloras.org
Other Databases
|
|
|
|
|
|
|