Cyclodictyon

Mitten

J. Proc. Linn. Soc., Bot. 7: 163. 1863.

Etymology: Greek kyklos, circle, and diktyon, net, alluding to large laminal cells
Treatment appears in FNA Volume 28. Treatment on page 255. Mentioned on page 643.
 TaxonIllustrator 
PiloCyclodictyonVarians.jpegCyclodictyon variansPatricia M. Eckel

Plants small to medium-sized, in soft, delicate, thin, flattened mats, white to pale green or bluish, glaucous. Stems irregularly branched to pinnate; hyalodermis present. Leaves complanate, shriveled or ± crisped when dry, ovate to broadly ovate, asymmetric, dorsiventral and lateral leaves similar in shape; margins plane or occasionally narrowly recurved, entire or serrulate distally; apex short-acuminate; costa 2/3–3/4 leaf length, ending in base of acumen, divergent, distal abaxial surface smooth; laminal cells hexagonal or oblong-hexagonal, lax, smooth; marginal cells forming border. Specialized asexual reproduction unknown. Sexual condition synoicous and autoicous; perichaetial leaf apex short to long-acuminate. Seta dark red, smooth. Capsule inclined, horizontal, or pendulous, oblong-cylindric; annulus narrow; operculum straight, narrowly long-rostrate. Calyptra mitrate, base short-lobed, smooth.

Distribution

se United States, Mexico, West Indies, Bermuda, Central America, South America, Eurasia, Africa, Pacific Islands

Discussion

Species ca. 90 (1 in the flora).

Species of Cyclodictyon occur mostly in the Neotropics, though they are widespread in tropical Africa. Their habitat is moist to wet soil, humus, leaf litter, infrequently on rock, occasionally epiphytic, from near sea level to 3900 m (S. R. Gradstein et al. 2001).

Selected References

None.

"divergent" is not a number.

... more about "Cyclodictyon"
short-acuminate +
Patricia M. Eckel +
Mitten +
papillose-scabrous +
short-lobed +
pendulous +, horizontal +  and inclined +
oblong-cylindric +
undifferentiated +
2;several +
se United States +, Mexico +, West Indies +, Bermuda +, Central America +, South America +, Eurasia +, Africa +  and Pacific Islands +
yellow;yellowbrown +
finely papillose;nearly smooth +
Greek kyklos, circle, and diktyon, net, alluding to large laminal cells +
bordered +, trabeculate +  and furrowed +
lanceolate;lance-subulate +
smooth;1-papillose +
dorsiventral +
erect +, vertical +  and oriented +
ovate +  and broadly ovate +
serrulate +  and entire +
autoicous +, synoicous +, sexual +  and asexual +
flattened +
small;medium-sized +
long-rostrate +
redbrown +  and dark red +
J. Proc. Linn. Soc., Bot. +
branched +  and frondose +
suberect +  and spreading +
keeled +  and lanceolate +
papillose-scabrous +
elongate +
irregularly branched;pinnate +
Cyclodictyon +
Pilotrichaceae +
dioicous +, synoicous +, autoicous +, polygamous +  and sexual +
white +  and pale green or bluish +
small;medium-sized +