Asplenium monanthes

Linnaeus

Mant. Pl. 1: 130. 1767.

Common names: Single-sorus fern
Treatment appears in FNA Volume 2.

Roots not proliferous. Stems erect, unbranched; scales black with lighter margins, linear-lanceolate, 3–6 × 0.4–0.8 mm, margins entire. Leaves monomorphic. Petiole reddish-brown throughout, lustrous, 1–12 (–20) cm, 1/3–1/10 length of blade; indument of black filiform scales. Blade linear, 1-pinnate throughout, 5–25 (–40) × 1–2.5 (–3) cm, thick, glabrous; base gradually tapered; apex acute, not rooting. Rachis reddish-brown throughout, lustrous, glabrous. Pinnae in 10–40 pairs, oblong to quadrangular, somewhat asymmetric; medial pinnae 4–15 × 2–5 mm; base rounded to cuneate; margins crenulate or ± entire; apex obtuse. Veins free, obscure. Sori 1 (–3) per pinna, only on basiscopic side. Spores 32 per sporangium. n = 2n = 108 (apogamous).


Habitat: Rock
Elevation: 50–1000 m

Distribution

V2 69-distribution-map.gif

Ala., Ariz., N.C., S.C., Mexico, West Indies in Hispaniola, Jamaica, Central America, South America to n Argentina, Africa including Madagascar, Madeira, Réunion, Tristan da Cunha, Pacific Islands (Hawaii)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Asplenium monanthes"
not rooting +
Obtuse (?) +  and Acute (?) +
Warren H. Wagner Jr. +, Robbin C. Moran +  and Charles R. Werth +
Linnaeus +
rounded +  and cuneate +
simple +  and 4-pinnate +
25 cm250 mm <br />0.25 m <br /> (40 cm400 mm <br />0.4 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (3 cm30 mm <br />0.03 m <br />) +
5 cm50 mm <br />0.05 m <br /> (25 cm250 mm <br />0.25 m <br />) +
thick;1cm;2.5cm +
Single-sorus fern +
Ala. +, Ariz. +, N.C. +, S.C. +, Mexico +, West Indies in Hispaniola +, Jamaica +, Central America +, South America to n Argentina +, Africa including Madagascar +, Madeira +, Réunion +, Tristan da Cunha +  and Pacific Islands (Hawaii) +
50–1000 m +
monomorphic +
fertile +  and than sterile ones +
entire +  and crenulate +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
perforate +, reticulate +, spiny +  and winged +
not articulate +
12 cm120 mm <br />0.12 m <br /> (20 cm200 mm <br />0.2 m <br />) +
reddish-brown +
1/3 length of blade;1/10 length of blade +
c--shaped +
1 cm10 mm <br />0.01 m <br /> (12 cm120 mm <br />0.12 m <br />) +
reddish-brown +
not proliferous +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
filiform +  and linear-lanceolate +
0.4mm;0.8mm +
less lunate;linear +
dorsiventral +  and symmetric +
Asplenium monanthes +
Asplenium +
species +
anastomosing +