familyPottiaceae
subfamilyPottiaceae subfam. Pottioideae
Show Lower Taxa
Pottiaceae subfam. Pottioideae
in H. G. A. Engler et al., Nat. Pflanzenfam. ed. 2, 10: 282. 1924,.
Treatment appears in FNA Volume 27. Treatment on page 585. Mentioned on page 477, 480, 527, 599, 632.
Plants green to tan. Stem central strand usually present, sclerodermis and hyalodermis commonly absent. Leaves usually ovate or broadly ligulate to spathulate, apex usually rounded or broadly acute, margins recurved basally, distal laminal cells if 2-stratose stacked directly over one another, walls smooth or papillose, KOH yellow or red, occasionally orange, occasionally yellow distally and red basally; costa with or without a differentiated abaxial epidermis; gemmae largely absent.
Discussion
Genera 21 (15 in the flora).
Selected References
None.
Lower Taxa
... more about "Pottiaceae subfam. Pottioideae"
differentiated +
revoluble +
deciduous +
differentiated +
usually slightly wider +
trabeculate +
absent +
usually ovate;oblong +
obovoid +
papillose +
specialized +
bulging +
flat to bulging +
thickened +
brownish +
absent +
2-stratose +
stacked +
9mm;16mm +
Worldwide +
spiculose +
filiform +
differentiated +
multicellular +
absent +
common +
asexual +
absent +
absent +
contorted +
appressed +
spreading +
concave;keeled;channeled;ovoid;lanceolate or lingulate +
ligulate +
fragile +
bordered +
recurved +
plane +
involute +
absent +
short-conic;short-rostrate +
photosynthetic +
absent +
sheathing +
long-oval +
usually larger +
twisted +
absent +
in H. G. A. Engler et al., Nat. Pflanzenfam. ed. +
straight +
oblique +
1;2 +
absent +
twisted +
elongate +
laminal +
larger +
branching +
sheathing +
Pottiaceae subfam. Pottioideae +
Pottiaceae +
subfamily +
ovoid;cylindric +
green;tan +
occasionally smaller than the perichaetiate +