Campylopus introflexus (Hedw.) Brid.

Plants medium to large, in cushions, yellow-green to green above, frequently with reddish tomentum below; terricolous. Stems (5-)10-20 mm tall, rarely branched; in section round, central strand large, inner cortical cells in 3-5 rows, large, thin-walled, outer cortical cells in 1-3 rows, smaller, substereids, red-brown. Leaves frequently comose at stem apex and occasionally at intervals along older stems, appressed dry, erect-spreading wet, oblong to elliptical, acuminate, 3-7 mm long; base scarcely differentiated; margins incurved above, entire. Costa ? to 3/5 of width of leaf base, long excurrent up to 2 mm as a hyaline, dentate awn, frequently reflexed, or infrequently percurrent, apex with short hyaline tip; in proximal section guide cells 27-30, ventral cells in single layer, large, weakly thickened, dorsal stereid cells in small groups of 2-4 cells, occasionally substereids, stereid groups separated by large, incrassate cells, dorsal surface with single large, incrassate cells below stereid groups; in distal section ventral cells similar, dorsal cells generally substereids throughout, dorsal surface with lamellae, 1-2 cells long. Upper laminal cells short-rectangular to rhomboidal or quadrate; basal cells moderately differentiated, reaching higher along margin than costa, rectangular to elongate, thin-walled, hyaline; alar cells variably differentiated, short-rectangular, thin-walled, reddish. Sporophyte not known from Southern Africa.