Anemia mexicana

Klotzsch

Linnaea 18: 526. 1844.

Illustrated
Treatment appears in FNA Volume 2.

Stems ca. 2 mm diam. Leaves partially dimorphic (sporangia limited to proximal pair of pinnae), (15–) 22–45 × 8–16 cm. Petiole straw-colored, 1/2–2/3 length of leaf, ca. 1 mm wide, glabrate. Blade deltate-lanceolate, 1-pinnate, somewhat leathery. Pinnae 4–7 pairs, mostly alternate, lanceolate, base truncate, margins minutely serrulate, proximal margins often slightly excavate, apex acuminate, hirsute with minute white hairs to glabrous on abaxial surface, glabrous adaxially. Fertile pinnae usually taller than sterile blades. Spores with ridges parallel and closely placed. 2n = 76.


Habitat: Lightly shaded limestone outcrops of the Edwards Plateau
Elevation: 400–500 m

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Anemia mexicana"
glabrous +  and hirsute +
John T. Mickel +
Klotzsch +
deltate-lanceolate +
Tex. +  and n Mexico +
400–500 m +
Lightly shaded limestone outcrops of the Edwards Plateau +
minute +
15 cm150 mm <br />0.15 m <br /> (22 cm220 mm <br />0.22 m <br />) +
22cm;45cm +
8 cm80 mm <br />0.08 m <br /> (16 cm160 mm <br />0.16 m <br />) +
unequal +
straw-colored +
1/2 length of leaf;2/3 length of leaf +
usually taller +
arising +  and erect +
anastomosing +
Illustrated +
tetrahedral-globose +
dictyostelic +  and solenostelic +
2 cm20 mm <br />0.02 m <br /> (?) +
Anemia mexicana +
species +
on rock +  and terrestrial +