Characters |
B. laevisphaera
|
B. stricta
|
B. rosamrosiae
|
Plant length |
<75 mm |
<45 mm |
<40 mm |
Ratio central strand to stem diameter |
0.10–0.25 |
0.20–0.40 |
0.20–0.40 |
cortex cell wall thickness |
2–3 µm |
µm |
µm |
Leaf shape |
lanceolate |
lanceolate |
triangular, rarely lanceolate |
Leaf base |
oblong |
oblong to rarely triangular |
triangular |
Leaf margin at base |
mostly recurved |
mostly recurved |
flat |
Leaf margin in upper half |
dentate, recurved |
dentate, recurved |
serrate, recurved |
Teeth cells |
short to nearly isodiametric |
short to nearly isodiametric |
linear |
Capsule surface in dry state |
rugulose |
striate |
striate |
Seta |
short (<5 mm) |
long (8–15 mm) |
long (10–15 mm) |
Peristome |
lacking |
present |
present |