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Sphagnum teres
The distinctive stem leaves (see above), dark often dirty stems with a hyalodermis, and faintly papillose wall between the hyaline and green cells of the branch leaves are differentiating characters. Also the large apical bud and minerotrophic habitat are field characters.
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Clockwise from top left:, S. teres in the field, branch leaf, concave cells, convex cells, stem leaf, leaf apex |
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| Habit | Forming loose mats. Plant greenish to brownish, rather slender, with a large apical bud and one pendent branch visible between capitulum arms. |
| Stems | with a 2-3 layered hyalodermis, without fibrils and pores, usually with a dark core. |
| Leaves | ovate-lanceolate, apex narrowly truncate, erect or sometimes with recurved apices; stem leaves long lingulate hyaline cells in body of leaf undivided and without pores, in upper part leaf, marginal hyaline cells divided and resorbed, forming a delicate marginal fringe. |
| Leaf Cells | Hyaline cells of branch leaves with 1-3, large, irregular pores or gaps on the convex surface, with distinct elliptic pores on the concave surface, green cells oval-trapezoidal to triangular, exposed more so on the convex surface, adjacent walls to hyaline cells very finely papillose. |
| Alar Cells | |
| Habitat | In minerotrophic habitats such as floating mats around lakes, carpets and lawns of rich fens, and marginal fen lags; sometimes intermixed with S. angustifolium in transitional poor fens. It occurs in wetter habitats then does S. warnstorfii, however in similar chemical conditions. |
| Common Associates |
pH Meter
