Nephrolepis multiflora

(Roxburgh) F. M. Jarrett ex C. V. Morton

Contr. U.S. Natl. Herb. 38: 309. 1974.

Common names: Asian sword fern
Introduced
Basionym: Davallia multiflora Roxburgh Calcutta J. Nat. Hist. 4: 515, plate 31 (left). 1844
Treatment appears in FNA Volume 2.

Stem scales appressed, bicolored with margins transparent. Tubers absent. 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. 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. Indusia circular to horseshoe-shaped, peltate or attached at narrow sinus, 1.1–1.3 mm wide. 2n = 82.


Habitat: Terrestrial or epiphytic in open waste places and roadsides
Elevation: 0 m

Distribution

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Introduced; Fla.

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.

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property."/10lengthofblade" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Nephrolepis multiflora"
falcate +  and attenuate +
expanded +  and minute +
Clifton E. Nauman +
- Roxburgh F. M. Jarrett ex C. V. Morton +
slightly auriculate +  and truncate +
Davallia multiflora +
simple to commonly +
indeterminate +
narrowly elliptic;linear-lanceolate +
reduced +
herbaceous;papery +
roundish +
3.4 cm34 mm <br />0.034 m <br /> - 12.3 cm123 mm <br />0.123 m <br /> +
0.6 cm6 mm <br />0.006 m <br /> - 1.8 cm18 mm <br />0.018 m <br /> +
Asian sword fern +
often +  and glabrous +
not continuous +
Terrestrial or epiphytic in open waste places and roadsides +
multicellular +
pale;pale-brown +
0.01 cm0.1 mm <br />1.0e-4 m <br /> - 0.05 cm0.5 mm <br />5.0e-4 m <br /> +
circular;horseshoe-shaped +
0.11 cm1.1 mm <br />0.0011 m <br /> - 0.13 cm1.3 mm <br />0.0013 m <br /> +
monomorphic +
evergreen +
acute;oblong +
biserrate to irregularly +
pale +  and transparent +
serrate to serrulate +
deciduous +
0.8 cm8 mm <br />0.008 m <br /> - 2.4 cm24 mm <br />0.024 m <br /> +
inequilateral +  and equilateral +
Contr. U.S. Natl. Herb. +
round +, cuplike +, hoodlike +, reniform +, falcate +  and linear +
2 +  and 3 +
brown;dark-brown +
persistent +
linear-lanceolate +
discrete +
Introduced +
reniform +  and oblong +
dictyostelic +, unbranched +  and branched +
ascending +  and erect +
adaxial +  and abaxial +
Nephrolepis multiflora +
Nephrolepis +
species +
underground +
anastomosing +  and simple +