Anemia mexicana

Klotzsch

Linnaea 18: 526. 1844

Treatment appears in FNA Volume 2.
Click plate for higher resolution version.
Illustrator: John Myers
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

References

None.

Lower Taxa

No lower taxa listed.