Pecluma ptilodon var. caespitosa

(Jenman) Lellinger

Proc. Biol. Soc. Wash. 98: 387. 1985.

Basionym: Polypodium pectinatum var. caespitosum Jenman Bull. Bot. Dept., Jamaica, n.s. 4: 125. 1897
Synonyms: Polypodium ptilodon var. caespitosum (Jenman) A. M. Evans
Treatment appears in FNA Volume 2.

Stems 5–8 mm diam.; scales blackish, linear-lanceolate. Leaves erect, or arching in large plants. Petiole dark-brown, less than 1/10 length of blade, pubescent with both simple and branched, short, multicellular hairs; scales threadlike, linear, scattered, inconspicuous. Blade lanceolate, 25–90 × 6.5–18 cm; base narrowly cuneate; apex acute. Segments lanceolate, 4–8 mm wide, sparsely pubescent, at base of blade reduced to auricles. Veins 2–3-forked. Sori oval, blade pubescence denser and longer around sorus; sporangia with 64 spores. 2n = 148.


Phenology: Sporulating all year.
Habitat: Terrestrial, or on logs or tree bases, in hammocks, swamps, and wet woods
Elevation: 0 m

Distribution

V2 637-distribution-map.gif

Fla., Mexico, West Indies, Central America

Discussion

Selected References

None.

Lower Taxa

None.
A. Murray Evans +
(Jenman) Lellinger +
cuneate +
reduced +
Polypodium pectinatum var. caespitosum +
25 cm250 mm <br />0.25 m <br /> (90 cm900 mm <br />0.9 m <br />) +
lanceolate +
6.5cm;18cm +
Fla. +, Mexico +, West Indies +  and Central America +
elliptic +  and cordate +
Terrestrial, or on logs or tree bases, in hammocks, swamps, and wet woods +
multicellular +, branched +  and simple +
monomorphic +
narrowed +
0 cm0 mm <br />0 m <br /> (90 cm900 mm <br />0.9 m <br />) +
0 length of blade;1/10 length of blade +
Sporulating all year. +
Proc. Biol. Soc. Wash. +
not adaxially +  and grooved +
pubescent;glabrous;pubescent;scaly +
not clathrate +
inconspicuous +
pubescent +  and glabrous +
thread-like +  and linear-lanceolate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
yellowish +  and transparent +
pruinose +
not whitish +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
few;numerous +
verrucose +  and tuberculate +
Polypodium ptilodon var. caespitosum +
Pecluma ptilodon var. caespitosa +
Pecluma ptilodon +
variety +
anastomosing +
pendent +, arching +  and erect +