Pohlia rabunbaldensis

A. J. Shaw

Bryologist 108: 180, fig. 2. 2005.

Endemic
Treatment appears in FNA Volume 28. Treatment on page 204. Mentioned on page 195.

Plants small, green to light green, dull. Stems 0.5–1 cm. Leaves ± spreading, slightly contorted when dry, lanceolate to ovatelanceolate, 0.9–1.2 mm; margins serrulate to serrate in distal 1/3; costa subpercurrent; distal medial laminal cells rhombic to rhomboidal, 45–95 µm, walls thin. Specialized asexual reproduction usually present when sterile; axillary gemmae single, narrowly bulbiform, orange to orange-red, leaf primordia at apex and lower, sometimes to base, laminate, large, flexuose. Sexual condition unknown, presumed dioicous. Sporophytes unknown.


Habitat: Acid, gravelly to sandy soil along trails
Elevation: high elevations

Discussion

Pohlia rabunbaldensis has bulbiform gemmae occurring singly in a leaf axil, similar to those of P. drummondii, but the leaf primordia are even larger relative to the gemma body. Plants of P. rabunbaldensis are slender, with dull leaves much like those of P. annotina, somewhat contorted when dry, distinct from the broader, carinate, somewhat shiny leaves of P. drummondii, which are unchanged on drying.

of conservation concern

Selected References

None.

Lower Taxa

None.

"narrow" is not a number.

... more about "Pohlia rabunbaldensis"
erect;widespreading +
A. Jonathan Shaw +
A. J. Shaw +
orange +  and orange-red +
reduced +
brown;reddish +
not +  and decurrent +
cucullate +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
long-exserted +
narrowly cylindric;broadly pyriform or urceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
not +  and nodulose +
short-excurrent +  and percurrent +
subpercurrent +
linear-rhomboidal +, rhombic +  and elongate-hexagonal +
Ga. +  and N.C. +
high elevations +
hyaline;yellow +
dark reddish-brown +, pale-yellow +  and brown +
Acid, gravelly to sandy soil along trails +
dioicous +  and sexual +
lanceolate +  and ovatelanceolate +
vegetative +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
not differentiated +
entire;finely serrate;serrulate +
serrulate to serrate +
slightly narrower and longer +
undifferentiated +
autoicous +, paroicous +, dioicous +  and sexual +
short-rectangular +  and quadrate +
1+ times urn length +
differentiated +
short-rostrate +, long-conic +  and convex +
lanceolate;narrowly linear-lanceolate +
lateral +  and terminal +
lateral +  and terminal +
diplolepidous-alternate +
smooth;papillose +
spheric;ovoid +
less often +  and perforate +
stramineous +  and orangebrown +
straight +
darker +, hyaline +, tan +  and pale-yellow +
not complanate-foliate +
short to long +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
superficial +
Pohlia rabunbaldensis +
species +
not +  and trabeculate +
papillose +  and pitted +
triangular;lanceolate +
reduced +
multicellular +
spheric;ovoid +
extensive +
collenchymatous +
straight +
specialized +
sinuate +
green +  and light green +