Overview
Interesting Facts
Common Names
Click on the language to view common names.
Common Names in English:
Boston Fern, Erect Sword Fern, Ladder Fern, Narrow Swordfern, Southern Sword Fern, Sword Fern, Tuber Fern, Tuber Ladder Fern, Tuber Sword Fern, Tuberous Sword Fern
Common Names in Japanese:
Tama-Shida
Description
Genus Nephrolepis
Plants
terrestrial
, epiphytic, or on rock. Stems ascending
to erect
, bearing wiry stolons and sometimes underground tubers. Leaves monomorphic
, evergreen
. Petiole
ca.
1/10--1/2 length
of blade
, base
not swollen; vascular bundles
more than 3, arranged in an arc, ± round
in cross
section
. Blade narrowly elliptic
to linear-lanceolate, 1-pinnate (to 4--5-pinnate in various cultivated forms), very gradually reduced distally to minute pinnatifid
apex, often seemingly indeterminate with apex never expanded, herbaceous to papery
. Pinnae articulate
to rachis, sometimes deciduous, segment (pinna) margins
entire, crenulate
, or biserrate
; proximal
pinnae (usually several pairs) slightly to greatly reduced, sessile, equilateral
or inequilateral
with basiscopic base excised and often an acroscopic
basal auricle
; costae adaxially grooved
, grooves
not continuous from rachis to costae; indument
of linear-lanceolate scales
and sometimes multicellular
hairs
on abaxial
and sometimes adaxial
surfaces. Veins free
, forked
. Sori ± round; indusia round-reniform and with deep sinus
to semicircular with broad sinus or lunate
without sinus and seemingly laterally attached, persistent
. Spores brownish, tuberculate
to rugose
. x
= 41.
Species 25--30: widespread in tropical
areas.
Nephrolepis often has veins ending in hydathodes and whitish lime-dots adaxially.
Cultivars of Nephrolepis occasionally are found in the wild, where they persist for some time. Numerous
forms of N. exaltata cv. `Bostoniensis' and its derivatives are widely cultivated, and the following are known from Florida: N. exaltata cv. `Bostoniensis', N. exaltata cv. `Elegantissima' complex
, N. exaltata cv. `Florida Ruffles', N. exaltata cv. `M. P. Mills'.[1]
Physical Description
Species Nephrolepis cordifolia
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. 2 n = 82. [source]
Habit: Forb/herb
Flowers: Bloom Period: n/a • Flower Color: inconspicuous, none
Size/Age/Growth
Size: 18-24" tall.
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; 0 m [2].
Typically found at an altitude of 0 to 4,869 meters (0 to 15,974 feet).[3]
Biology
Reproduction
Duration: Perennial
Growth
Culture: Space 12-15" apart.
Soil: Minimum pH: 5.6 • Maximum pH: 7.8
Sunlight: Sun Exposure: Light Shade.
Temperature: Cold Hardiness: 9b, 10a, 10b, 11. (map)
Taxonomy
- Domain:
Eukaryota
(
)
- Whittaker & Margulis,1978
- eukaryotes
- Kingdom:
Plantae
(
)
- Haeckel, 1866
- Plants
- Subkingdom:
Viridaeplantae
(
)
- Cavalier-Smith, 1981
- Phylum:
Tracheophyta
(
)
- Sinnott, 1935 ex Cavalier-Smith, 1998
- Vascular Plants
- Subphylum:
Euphyllophytina
(
)
- Infraphylum:
Moniliformopses
(
)
- Kenrick & Crane, 1997, Nom. Nud.
- Class:
Polypodiopsida
(
)
- Cronquist et al.
- Order:
Polypodiales
(
)
- Link
- Family:
Lomariopsidaceae
(
)
- Alston
- Genus:
Nephrolepis
(
)
- Schott, 1834
- Boston fern [Greek nephros, kidney, and lepis, scale, in reference to shape of the indusia]
- Specific epithet:
cordifolia
- (L.) K. Presl
- Form:
a href="http://www.biodiversitylibrary.org/title/4
- Botanical name: - Nephrolepis cordifolia (L.) K. Presl
- Form:
a href="http://www.biodiversitylibrary.org/title/4
- Specific epithet:
cordifolia
- (L.) K. Presl
- Genus:
Nephrolepis
(
- Family:
Lomariopsidaceae
(
- Order:
Polypodiales
(
- Class:
Polypodiopsida
(
- Infraphylum:
Moniliformopses
(
- Subphylum:
Euphyllophytina
(
- Phylum:
Tracheophyta
(
- Subkingdom:
Viridaeplantae
(
- Kingdom:
Plantae
(
Synonyms
Aspidium cordifolium (Linnaeus) Swartz • Polypodium cordifolium Linnaeus
Notes
Name
Status: Accepted Name
.
Last scrutiny: 15-Mar-2000
Similar Species
Members of the genus Nephrolepis
ZipcodeZoo has pages for 34 species, subspecies, varieties, forms, and cultivars in this genus:
N. averyi (Avery's Swordfern) · N. biserrata (Giant Sword Fern) · N. biserrata 'Macho' (Macho Fern) · N. cordifolia (Boston Fern) · N. cordifolia var. Lemon Buttons (Button Sword Fern) · N. cordifolia 'Duffii' (Fishbone Fern) · N. cordifolia 'Timmii' (Timm's Petticoat Fern) · N. exaltata (Boston Fern) · N. exaltata cordifolia (Boston Swordfern) · N. exaltata var. bostoniensis (Boston Fern) · N. exaltata var. Fluffy Ruffles (Sword Fern) · N. exaltata var. Whitmanii (Boston Fern) · N. exaltata 'Aurea' (Golden Boston Fern) · N. exaltata 'Bostoniensis' (Boston Fern) · N. exaltata 'Bostoniensis Aureus' (Golden Boston Fern) · N. exaltata 'Fluffy Ruffles Upright' (Boston Fern) · N. exaltata 'Ruth' (Ruth Fern) · N. exaltata 'Shadow Lace' (Boston Fern) · N. exaltata 'Suzi Wong' (Boston Swordfern) · N. exaltata 'Tiger Fern' (Boston Fern) · N. falcata (Fish Tail Swordfern) · N. falcata 'Fancy Frill' (Fishtail Fern) · N. falcata 'Furcans' (Furcans Fishtail Fern) · N. hirsutula (Scaly Swordfern) · N. laurifolia (Laurel-Leaf Swordfern) · N. multiflora (Asian Swordfern) · N. obliterata (Australian Sword Fern) · N. obliterata 'Kimberly Queen' (Australian Sword Fern) · N. obliterata 'Medusa' (Australian Sword Fern) · N. pectinata (Basket Fern) · N. rivularis (Streamside Swordfern) · N. undulata (Annual Swordfern) · N. x (Avery's Swordfern) · N. × averyi (Avery's Swordfern)
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Notes
Contributors
- Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 10, 2012.
Data Sources
Accessed through GBIF Data Portal November 22, 2007:
- Australian National Herbarium
- , Australian National Herbarium
- Bernice Pauahi Bishop Museum, Bishop Museum Natural History Specimen Data
- Fairchild Tropical Botanic Garden, Fairchild Tropical Botanic Garden Virtual Herbarium Darwin Core format
- GBIF-Spain, CUBA:Herbario del Jardín Botánico Nacional, La Habana, Cuba: HAJB-Pteridophyta
- GBIF-Spain, Jardi Botanic de Valencia: VAL
- Herbier de la Guyane, Herbier de la Guyane
- Instituto Nacional de Biodiversidad
- , Biodiversidad de Costa Rica
- Missouri Botanical Garden, Missouri Botanical Garden
- USDA PLANTS, USDA PLANTS Database
Identifiers
- Biodiversity Heritage Library NamebankID: 2644732
- Catalogue of Life Accepted Name Code: ITS-17604
- Global Biodiversity Information Facility Taxonkey: 13850402
- Globally Unique Identifier: urn:lsid:ipni.org:names:102379-3
- GRIN Nomen Number: 403335
- Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 17604
- International Plant Names Index (IPNI) ID: 17160730
- MoBot NameID: 26602325
- Natural Heritage Network Species Identifier: PPDAV01020
- U.S.D.A. Plant Symbol: NECO3
- Zipcode Zoo Species Identifier: 49286
Footnotes
- Clifton E. Nauman "Nephrolepis". in Flora of North America Vol. 2. Oxford University Press. Online at EFloras.org. [back]
- "Nephrolepis cordifolia". in Flora of North America Vol. 2. Oxford University Press. Online at EFloras.org. [back]
- Mean = 1,209.060 meters (3,966.732 feet), Standard Deviation = 1,089.360 based on 337 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
