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3. Tripterocladium (Müller Hal.) A. Jaeger, Ber. Thatik. St. Gallischen Naturwiss. Ges. 1877-78: 484. 1880. • [Greek trion, three, pteron, wing, and klados, branch, alluding to perceived tripinnate branching].
Howard A. Crum
Hypnum sect. Tripterocladium Müller Hal., Flora 58: 79. 1875
Plants small. Stems irregularly 1 (or 2)-pinnate. Stem and branch leaves differentiated. Stem leaves oblong-ovate; margins entire or ± serrulate; costa double and short, or single and sometimes nearly to mid leaf; medial laminal cells 4-7:1. Branch leaves smaller; margins irregularly serrate distally; apex more broadly acuminate. Seta red, 1-1.5 cm. Capsule suberect to horizontal, ± curved; operculum conic; peristome perfect.
Species 1: w North America.
Tripterocladium is a genus of one species previously removed from Lembophyllaceae, but molecular data confirm its position in the family as closely related to Bestia.
Lower Taxon
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