Astrolepis sinuata subsp. mexicana

D. M. Benham

Amer. Fern J. 82: 59. 1992.

Treatment appears in FNA Volume 2.

Sporangia containing 64 spores; spores averaging 37–44 µm diam. 2n = 58.


Phenology: Sporulating summer–fall.
Habitat: Rocky slopes and cliffs, occurring on calcareous and noncalcareous substrates
Elevation: 1300–1800 m

Distribution

V2 218-distribution-map.gif

N.Mex., Tex., Mexico, Central America

Discussion

Selected References

None.

Lower Taxa

None.

0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Dale M. Benham +  and Michael D. Windham +
D. M. Benham +
Acrostichum sinuatum +
glabrescent +
pinnate-pinnatifid +
N.Mex. +, Tex. +, Mexico +  and Central America +
1300–1800 m +
yellow +  and white +
obcordate;reniform +
Rocky slopes and cliffs, occurring on calcareous and noncalcareous substrates +
monomorphic +
recurved +  and reflexed +
noncircinate +  and circinate +
11 cm110 mm <br />0.11 m <br /> (130 cm1,300 mm <br />1.3 m <br />) +
6 +  and 14 +
straw-colored;chestnut-brown;dull +
Sporulating summer–fall. +
largest +
0.7 cm7 mm <br />0.007 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
Amer. Fern J. +
overlapping +
tan;chestnut-brown concolored +
persistent +
lanceolate +  and ovate +
64 (?) +  and 32 (?) +
light +  and dark-brown +
tetrahedral-globose +
erect +  and ascending +
with lighter margin +  and chestnut-brown +
0 cm0 mm <br />0 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Cheilanthes sinuata +  and Notholaena sinuata +
Astrolepis sinuata subsp. mexicana +
Astrolepis sinuata +
subspecies +
crescent--shaped +  and roundish +