Nephrolepis cordifolia

(Linnaeus) C. Presl

Tent. Pterid. 79. 1836.

Common names: Tuberous sword fern tuber sword fern
Introduced
Basionym: Polypodium cordifolium Linnaeus Sp. Pl. 2: 1089. 1753
Synonyms: Aspidium cordifolium (Linnaeus) Swartz
Treatment appears in FNA Volume 2.

Stem scales spreading, concolored. Tubers present or absent. Leaves 2.5–10.7 × 0.3–0.7 dm. Petiole 0.3–2 dm, moderately to densely scaly; scales spreading, pale brown throughout. Blade lacking scales, glabrous (rarely with a few branched hairs abaxially). Rachis 2.2–9 dm, points of pinna attachment 5–12 mm apart; scales moderately spaced to dense, pale to dark brown, point of attachment distinctly darker. Central pinnae oblong to lanceolate-oblong, straight to slightly falcate, 0.9–5 × 0.4–0.9 cm, base auriculate-cordate, acroscopically overlapping rachis, acroscopic lobe deltate, margins entire to serrulate to smoothly crenate, apex acute to bluntly rounded; costae adaxially glabrous. Indusia reniform to lunate or deltate-rounded, attached along broad sinus, 1.1–1.7 mm wide. 2n = 82.


Habitat: Terrestrial or epiphytic in wet, shady places, limestone ledges, cliffs, rock, roadsides, and often old homesites or waste places, widely escaped from cultivation and only questionably native to any particular region
Elevation: 0 m

Distribution

V2 383-distribution-map.gif

Fla., Mexico, West Indies, Central America, South America, Africa, se Asia, Pacific Islands (Hawaii).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Nephrolepis cordifolia"
Clifton E. Nauman +
(Linnaeus) C. Presl +
Polypodium cordifolium +
Tuberous sword fern +  and tuber sword fern +
Fla. +, Mexico +, West Indies +, Central America +, South America +, Africa +, se Asia +  and Pacific Islands (Hawaii). +
Terrestrial or epiphytic in wet, shady places, limestone ledges, cliffs, rock, roadsides, and often old homesites or waste places, widely escaped from cultivation and only questionably native to any particular region +
Tent. Pterid. +
Introduced +
Aspidium cordifolium +
Nephrolepis cordifolia +
Nephrolepis +
species +