Nephrolepis multiflora |
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Asian sword fern |
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Stem | scales appressed, bicolored with margins transparent. |
Leaves | 3–25 × 0.3–1.6 dm. |
Petiole | 0.4–4.4 dm, moderately to densely scaly; scales appressed, dark brown with pale margins. |
Blade | sparsely to moderately scaly, hairy abaxially, hairs pale brown, 0.1–0.3 mm. |
Indusia | circular to horseshoe-shaped, peltate or attached at narrow sinus, 1.1–1.3 mm wide. |
Tubers | absent. |
Rachis | 2.7–20 dm, points of pinna attachment 8–24 mm apart; scales scattered to dense, brown, margins pale. |
Central | pinnae narrowly deltate, sometimes elliptic, 3.4–12.3 × 0.6–1.8 cm, base rounded basiscopically, slightly auriculate to truncate acroscopically (latter more common in sterile pinnae), acroscopic lobe acute to oblong, margins biserrate to irregularly serrate to serrulate, apex attenuate and occasionally slightly falcate; costae adaxially densely hairy, hairs pale, erect, 0.1–0.5 mm. |
2n | = 82. |
Nephrolepis multiflora |
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Habitat | Terrestrial or epiphytic in open waste places and roadsides |
Elevation | 0 m [0 ft] |
Distribution |
FL [Introduced in North America] |
Discussion | Nephrolepis multiflora is native to the Old World tropics and is widely scattered and naturalized in the New World tropics as an escaped cultigen. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 2. |
Parent taxa | |
Sibling taxa | |
Synonyms | Davallia multiflora |
Name authority | (Roxburgh) F. M. Jarrett ex C. V. Morton: Contr. U.S. Natl. Herb. 38: 309. (1974) |
Web links |