BFNA | Family List | Sphagnaceae | Sphagnum

Taxon in Process: Sphagnum Species F

Sphagnum teres var. concinnum Berggren, K. Svensk. Vet.-Akad. Handl. 13(7): 94. 1875; S. fimbriatum var. concinnum (Berggren) Warnstorf; S. fimbriatum var. arcticum C. E. O. Jensen; S. fimbriatum W. ssp. concinnum (Berggren) K.I. Flatberg & Frisvoll

Plants moderate sized and stiff, capitulum moderate-sized and conspicuously stellate; golden-brown to brown; without a metallic lustre when dry. Stems pale brown; superficial cortical cells often with one pore per cell. Stem leaves spatulate, 0.95--1.1 × 0.85--1 mm, lacerate across the broad flat apex and strongly broadened at the base; hyaline cells rhomboid and mostly septate, often multiply septate along the margins, efibrillose. Branches unranked, terete. Branch fascicles with 1--2 speading and 1--2 pendent branches. Branch leaves ovate, 1.2--1.3 mm, slightly concave,straight; apex involute; hyaline cells on convex surface in apical region with small round to elliptic pores along the commissures, grading to large round pores at the base; on the concave surface with large round pores in the apical and side regions. Sexual condition unknown. Sporophytes unknown.

Forming dense carpets and low hummocks in poor fen tundra peatlands; Que., N.W.T., Yukon; Alaska.

See discussion of S. fimbriatum.