Woodsia obtusa subsp. occidentalis
Contr. Univ. Michigan Herb. 19: 56. 1993.
Endemic
Treatment appears in FNA Volume 2.
Stems short to long-creeping, individual branches usually 3–5 mm diam. Blade finely cut, 2-pinnate-pinnatifid. Proximal pinnules of lower pinnae usually deeply lobed or pinnatifid. Spores averaging 35–42 µm. 2n = 76.
Phenology: Sporulating summer–fall.
Habitat: Cliffs and rocky slopes (rarely terrestrial), found on a variety of substrates but mostly sandstone and granite
Elevation: 200–500 m
Distribution
Ark., Kans., Mo., Okla., Tex.
Discussion
Woodsia obtusa subsp. occidentalis hybridizes with subsp. obtusa sporadically throughout the region of sympatry; the hybrids are sterile triploids with malformed spores.
Selected References
None.
Lower Taxa
None.
"/5lengthofblade" is not declared as a valid unit of measurement for this property."broad" is not a number."thick" is not a number.
... more about "Woodsia obtusa subsp. occidentalis"
interrupted +
vertical +
3-celled +
equilateral +
swollen +
simple to commonly +
1-5-pinnate +
viscid +
herbaceous +
2-pinnate-pinnatifid;cut +
reduced +
2;2;many +
roundish +
isodiametric +
grooved +
green +
aboveground +
cordate +
occasional +
continuous +
Cliffs and rocky slopes (rarely terrestrial), found on a variety of substrates but mostly sandstone and granite +
absent +
whitish +
visible +
multiseriate +
persistent +
basal +
concealed +
dissected +
monomorphic +
absent +
dying +
dimorphic +
circinate +
pale-brown +
nonlustrous +
thin +
persistent +
winter +
not articulate +
persistent +
few-to-many +
brittle +
not articulate +
longer than wide +
dentate +
lobed +
translucent +
sessile +
reduced +
Contr. Univ. Michigan Herb. +
1993 +
elevated +
scattered +
bicolored;brown +
persistent +
hairlike;lanceolate +
not spiny;entire;dentate +
scale-like +
filamentous +
discrete +
mature +
round +
Endemic +
acrostichoid +
mature +
monolete +
brownish +
cristate +
climbing +
long-creeping +
absent +
Woodsia obtusa subsp. occidentalis +
Woodsia obtusa +
subspecies +
bulbous +
arranged +
simple +
pinnate +
parallel +
free +
forked +
acrostichoid +
enlarged +
free +
perennial +