Bryoerythrophyllum campylocarpum (C. Müll.) Crum,
Svensk Bot. Tidskr. 51: 200. 1957.
Trichostomum
campylocarpum C. Müll., Bot. Zeitung 9: 261. 1851. Didymodon
campylocarpus (C. Müll.) Broth., Nat. Pflanzenfam. 1(3): 405. 1902.
Protologue: Costa Rica. Von Costa Rica, aus der Bergregion zwischen 5000–8000
Fuss Höhe sehr sparsam gesammelt [Oersted].
Plants small to medium-sized,
reddish green to reddish yellow, 5–25 mm high. Stems red, erect, irregularly
branched, stems sclerodermis present, central strand well-developed; rhizoids
red, smooth. Leaves 1.5–2.3 mm long, erect-sheathing at base, erect-twisted and
incurved when dry, erect-spreading to spreading when wet, oblong-lanceolate;
apices broadly acute, apiculate; margins unistratose, weakly reflexed below,
plane above, distantly dentate above, sometimes entire, not bordered, weakly
decurrent at base; costa percurrent to short-excurrent, papillose at back,
ventral superficial cells short-rectangular, pluripapillose, guide cells
present, ventral stereid band weakly developed, dorsal stereid band present,
upper ventral epidermal layer enlarged, papillose; upper cells 4–8 x 4–8
μm, firm-walled, oblate to irregularly quadrate, densely pluripapillose by
thick, c-shaped papillae, basal cells smooth, inner basal cells rectangular,
enlarged, thin-walled and bulging, 30–40 x 18 μm, outer basal cells
narrowly rectangular, firm-walled, not bulging and forming a distinct
basal border, alar cells not differentiated. Dioicous. Perichaetia
terminal; perichaetial leaves elongate, sheathing. Setae smooth, 12–18 mm
long, red. Capsules cylindric, curved, 1.5–2 mm long, suboral ring
differentiated in 4–5 rows; exothecial cells long-rectangular, bulging
mammillose; stomata in neck; opercula erect, long-conic, 1 mm long; annuli
persistent, of 1–2 rows of vesiculose cells; peristome of 32 erect, red,
filamentous, densely spiculose teeth, to 300 μm long, basal membrane
absent. Spores 14–20 μm, smooth to slightly papillose. Calyptrae not seen.