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BFNA | Family List | BFNA Vol. 1 | Pottiaceae | Tortula

Tortula bolanderi (Lesquereux & James) M. Howe

  • Barbula bolanderi Lesquereux & James
  • Barbula carnifolia J. K. A. Müller & Kindberg
  • Syntrichia bolanderi (Lesquereux) R. H. Zander

    Leaves long-ovate, elliptic or lingulate, apex rounded and short-apiculate or muticuous, margins weakly recurved in proximal 1/2 of leaf, weakly bordered in distal 1/2--3/4 of leaf with (2--)4--6 rows of thicker-walled, smaller cells; costa subpercurrent, percurrent or shortly excurrent as a small, sharp mucro, lacking an adaxial pad of cells, distally somewhat narrow, 3--4 cells across adaxial surface; distal laminal cells hexagonal, width 13--18(--24) µm, 1:1, strongly papillose. Sexual condition dioicous. Sporophytes exerted. Seta 0.9--1.5 cm. Capsules stegocarpic, not systylius, cylindric, erect and nearly straight, urn 1.5--2.5 mm; peristome of 32 twisted filaments, basal membrane low; operculum 1--1.5 mm. Spores 13--15 µm, spheric, essentially smooth.

    Soil, rock; 0--1700 m; B.C.; Calif., Oreg., Wash.; Europe (France, Spain).

    Both T. bolanderi and T. amplexa differ from other Tortula species in the red color of the leaves in nature, a trait of the genus Syntrichia. The costal section, however, exhibits a rounded stereid band rather than the semilunate shape of the last genus.


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