Orthotrichum rupestre

Schleicher ex Schwagrichen

Sp. Musc. Frond. Suppl. 1(2): 27, plate 53 [top]. 1816.

Synonyms: Dorcadion rupestre (Schleicher ex Schwägrichen) Lindberg Orthotrichum bullatum Müller Hal. O. californicum Venturi O. douglasii Duby O. macfaddenae R. S. Williams O. rupestre var. globosum (Lesquereux) Grout O. rupestre var. macfaddenae (R. S. Williams) Grout O. texanum O. texanum var. globosum Lesquereux
Treatment appears in FNA Volume 28. Treatment on page 65. Mentioned on page 46.

Plants (1–)3–12.5 cm, light green to olive green. Stem leaves stiff, erect-appressed when dry, narrowly lanceolate to ovate-lanceolate, 2–4.5 mm; margins recurved to narrowly revolute to near apex, entire; apex sharply to slenderly acute; basal laminal cells elongate to rectangular, walls thick, ± nodose; distal cells 6–13 µm, 1-stratose, papillae 1 or 2 per cell, conic and small, or 2-fid and low. Specialized asexual reproduction absent. Sexual condition gonioautoicous. Seta to 1.8 mm. Capsule immersed, emergent, or slightly exserted, usually 1/3 emergent, globose ovate, ovate-oblong, or short-oblong, 1.3–1.8 mm, slightly or distinctly 8-ribbed 1/2–2/3 length; stomata superficial; peristome single, rarely double; prostome large, conspicuous, or rudimentary; exostome teeth 16, erect or sometimes spreading-recurved when old, smooth, scattered-papillose, or coarsely papillose-granulate; endostome segments absent, or rarely 8, rudimentary, of 1 row of cells, smooth or roughened. Calyptra oblong, smooth, hairy or rarely naked, hairs finely papillose. Spores 13–21 µm.

Habitat: Non-calcareous boulders and cliff faces in mesic areas of pine, spruce-fir, or aspen forests, base of trees, subalpine shade
Elevation: low to high elevations (100-3000 m)


V28 95-distribution-map.gif

Greenland, Alta., B.C., N.W.T., Nunavut, Ont., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Utah, Wash., Wyo., South America, Europe, e Asia (Japan), n, e Africa, Atlantic Islands (Canary Islands), Pacific Islands (New Zealand), Australia.


In typical form, Orthotrichum rupestre is characterized as much-branched plants in loose tufts with lanceolate leaves, apex narrowly and bluntly acute, basal cells elongate, thick-walled, and nodose, yellowish in older leaves, capsule oblong, emergent, 8-ribbed to mid capsule when old and dry, smooth or slightly 8-ribbed when mature, exostome of 16 erect teeth, coarsely papillose, and calyptra with abundant, spinulose, papillose hairs, some of which extend over the beak.

Selected References


Lower Taxa

... more about "Orthotrichum rupestre"
Dale H. Vitt +
Schleicher ex Schwagrichen +
Greenland +, Alta. +, B.C. +, N.W.T. +, Nunavut +, Ont. +, Yukon +, Alaska +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, S.Dak. +, Utah +, Wash. +, Wyo. +, South America +, Europe +, e Asia (Japan) +, n +, e Africa +, Atlantic Islands (Canary Islands) +, Pacific Islands (New Zealand) +  and Australia. +
low to high elevations (100-3000 m) +
Non-calcareous boulders and cliff faces in mesic areas of pine, spruce-fir, or aspen forests, base of trees, subalpine shade +
Sp. Musc. Frond. Suppl. +
Illustrated +
Dorcadion rupestre +, Orthotrichum bullatum +, O. californicum +, O. douglasii +, O. macfaddenae +, O. rupestre var. globosum +, O. rupestre var. macfaddenae +, O. texanum +  and O. texanum var. globosum +
Orthotrichum rupestre +
Orthotrichum +
species +