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FNA | Family List | FNA Vol. 27 | Pottiaceae | Tortula

26. Tortula bolanderi (Lesquereux & James) M. Howe, Erythea. 4: 51. 1896.

Barbula bolanderi Lesquereux & James, Trans. Amer. Philos. Soc., n. s. 13: 5. 1896; B. carnifolia Müller Hal. & 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. Capsule 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; low to high elevations (0-1700 m); B.C.; Calif., Oreg., Wash.; Europe (France, Spain).

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


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