Marsilea macropoda Engelm. ex A.Braun
Descripción
Plants forming dense clones; roots only at nodes; stipes 5–39 cm long, hairy; pinnae 9–35 X 8–39 mm, conspicuously whitehairy abaxially, hairy adaxially, hairs often exceeding margin to make pinnae appear white-margined from above; sporocarp peduncles erect, frequently branched, attached 2–4.5 mm above bases of stipes, stalks 8–17 mm long, common trunk of branched stalks 1–5 mm (rarely 2 or 3 unbranched stalks attached separately to same stipe); sporocarps strongly ascending, 6–9 X 4.5–5.5 mm, 2 mm thick, elliptic or quadrate in lateral view, covered with matted and often twisted hairs, proximal tooth of each sporocarp 0.4–0.5 mm long, blunt, distal tooth absent or present as slightly raised area; raphes 1.6–2.4 mm; sori 19–23 per sporocarp.A
Forma de vida
Hidrófita enraizada, TerrestreA
Ejemplar revisado
Coah (Gould 6405, ANSM, CAS, MICH, UC). Hgo (Edwards 789, CAS, F, MO, TEX; Fisher 3798, F, GH, MICH). NL (Barkley 14344, ENCB, GH, MO, NY, TEX, UC). Tam (Harriman 11408, NY; Haynes 5440, MICH; Pringle 1975, BM, F, K, LL, MO, NY, UC, US; Wussow & Landry 164, LAF, US).A
Elevación
0 – 1400 mA
Categoría IUCN
No incluidaB
Categoría NOM-059-SEMARNAT-2010
No incluidaC
Discusión taxonómica
Hybrids with M. vestita have been reported from Texas (Johnson, 1986: 73).A