Meesia triquetra: Difference between revisions

▲In small tufts or cushions. '''[[Plant]]s''' acrocarpous, dioicous, often large, dark-green to grass-green above, occasionally red-brown below due to dense rhizoids. '''[[Plant stem|Stem]]s''' not or little branched, pale-brown to yellow-brown, closely foliate, 2–14 cm high. '''[[Leaf|Leaves]]''' decurrent, squarrose (spreading) when moist, triangular to ovate to lanceolate, somewhat crispate (contorted), 2–3½ mm long, tristichous (in three obvious ranks); margins sharply serrate or denticulate to the base or nearly so, plane or sometimes recurved in the middle of the leaf; costa relatively narrow (less than 1/5 the width of the leaf base), subpercurrent to percurrent, gradually tapering at distal end; apex acute to acuminate (sharply pointed); lamina unistratose throughout. '''Perigonia''' terminal in discoid heads. '''Seta''' straight and smooth, brown to yellow-brown, very long (4–10 cm). '''Capsule''' asymmetrical, somewhat pyriform, 2¾–5½ mm long including the neck; hypophysis (neck) long (comprising up to ½ of capsule length), moderately well-defined, not much wrinkled when dry; urn oblong to short-cylindric, arcuate and asymmetric, brown to yellow-brown, to 4 mm long, when dry wrinkled but not regularly sulcate; operculum short-conic; endostome cilia often rather well-developed. '''[[Spore]]s''' finely papillose.<ref name="Lawton 1971">