Sphagnum fimbriatum |
Sphagnum flexuosum |
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fringe bogmoss, fringe peat-moss, sphagnum |
sphagnum |
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| Habit | Plants typically small and slender, larger and compact in the Arctic, capitulum small to moderate-sized, often with a conspicuous terminal bud; green, yellowish brown to brown; without metallic lustre when dry. | Plants small to moderate-sized, slender and soft, lax, moderately weak to moderately stiff-stemmed; green, pale yellowish green, yellowish brown, grayish brown or reddish brown; capitulum typically compact and twisted in the middle like a ball of yarn, spreading branches curved giving a pinwheel appearance. | ||||
| Stems | pale green to straw-colored; superficial cortical with a large round pore in distal portion of cell free from cell wall. |
pale green to pale brown, rarely with pinkish red patches, superficial cortex of undifferentiated to slightly differentiated cells. |
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| Branch stems | green but sometimes reddish at proximal end, with cortex enlarged with conspicuous retort cells. |
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| Branches | not 5-ranked, quite terete, long, and slender Branch fascicles with 1– 2 spreading and 1–2 pendent branches. |
curved, unranked to less commonly (in wet-grown forms) 5-ranked, leaves not much elongate at distal end. |
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| Stem leaves | spatulate to broad-spatulate, 0.8–1.5(–2) mm, strongly lacerate across the broad apex and often part way down the margins, border scarcely to strongly broadened at base (0.25 width of base or less); hyaline cells rhomboid, efibrillose and often 1–2-septate. |
triangular-lingulate to lingulate, 0.7–1.3 mm, appressed to stem, apex obtuse to broadly obtuse and erose to somewhat lacerate, hyaline cells efibrillose and nonseptate. |
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| Branch leaves | ovate to ovate-lanceolate; 1.1–1.5(–2) mm, slightly concave, straight; apex involute; margins entire; hyaline cells on convex surface with numerous pores along the commissures grading from small pores near leaf apex to large pores at base, concave surface with large round pores at leaf apex and along margins. |
ovate-lanceolate to broadly ovate-lanceolate, 1.5–2.5 mm, strongly undulate and moderately recurved when dry, straight; margin entire; greater than hyaline cells on convex surface with 1–2 pores per cell at cell apex, on concave surface with round wall thinnings in the cell ends and angles; chlorophyllous cells triangular in transverse section and typically just slightly exposed on the concave surface. |
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| Branch fascicles | with 2(–3) spreading and 2 pendent branches. |
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| Sexual condition | often monoicous. |
dioicous. |
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| Spores | 20–27 µm, finely papillose on both surfaces; proximal laesura less than 0.5 spore radius. |
23–25 µm; moderately to coarsely papillose on both surfaces; proximal laesura approximately 0.5 spore radius. |
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Sphagnum fimbriatum |
Sphagnum flexuosum |
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| Phenology | Sporophytes uncommon, capsules mature early to late summer. | |||||
| Habitat | Forming carpets in poor to medium fens, mostly sedge-fens and mire edge habitat | |||||
| Elevation | low to moderate elevations | |||||
| Distribution |
North America; South America; Eurasia; Pacific Islands (New Zealand)
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CT; IL; IN; MD; ME; MI; MN; NC; NH; NJ; NY; OH; PA; TN; VT; WI; WV; NB; NF; NS; ON; PE; QC; Europe
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| Discussion | Subspecies 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of species in sect. Cuspidata with range and ecology similar to that of Sphagnum flexuosum, S. angustifolium and S. recurvum have rounded stem leaves. In S. angustifolium the stem leaves are more triangular and rarely erose while the branch leaves are narrower and more strongly 5-ranked. Sphagnum recurvum also has narrower and more 5-ranked branch leaves than does S. flexuosum, as well as a much more strongly differentiated stem cortex. In S. flexuosum the branch leaves are only slightly recurved whereas in S. recurvum they are sharply recurved. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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| Parent taxa | ||||||
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| Key |
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| Synonyms | S. amblyphyllum, S. fallax var. flexuosum, S. flexuosum var. ramosissimum, S. flexuosum var. recurvum, S. recurvum subsp. amblyphyllum, S. recurvum var. amblyphyllum | |||||
| Name authority | Wilson & Hooker: in J. D. Hooker, Fl. Antarct., 398. (1847) | Dozy & Molkenboer: in R. B. van den Bosch et al., Prodr. Fl. Bat. 2(1): 76. (1851) | ||||
| Source | FNA vol. 27, p. 92. | FNA vol. 27, p. 68. | ||||
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