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Asplenium heterochroum Kunze
LONG SPLEENWORT FERN
Bicolored spleenwort

Life   Plantae   Pteridophyta   Aspleniaceae   Asplenium

Asplenium heterochroum, entire
© George Yatskievych, 2006-2011 · 1
Asplenium heterochroum, entire

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Asplenium heterochroum, sporangia
© George Yatskievych, 2006-2011 · 1
Asplenium heterochroum, sporangia
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Asplenium heterochroum Kunze
bicolored spleenwort


General Information
Symbol: ASHE3
Group: Fern
Family: Aspleniaceae
Duration: Perennial
Growth Habit : Forb/herb
Native Status : L48   N
PR   N
Data Source and Documentation
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Native Status:
lower 48 status L48    Alaska status AK    Hawaii status HI    Puerto Rico status PR    Virgin Islands status VI    Navassa Island NAV    Canada status CAN    Greenland status GL    Saint Pierre and Michelon status SPM    North America NA   

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Synonyms

Classification

Click on a scientific name below to expand it in the PLANTS Classification Report.
Rank Scientific Name and Common Name
Kingdom Plantae – Plants
Subkingdom Tracheobionta – Vascular plants
Division Pteridophyta – Ferns
Class Filicopsida
Order Polypodiales
Family Aspleniaceae – Spleenwort family
Genus Asplenium L. – spleenwort
Species Asplenium heterochroum Kunze – bicolored spleenwort

Subordinate Taxa

This plant has no children

Legal Status

Wetland Status

Interpreting Wetland Status

Top Level Regions
Caribbean UPL
North America
Atlantic and Gulf Coastal Plain FAC

Related Links

More Accounts and Images
Flora of North America (ASHE3)
Integrated Taxonomic Information System (ASHE3)
USF Atlas of Florida Vascular Plants (ASHE3)

Wildlife

Food

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Cover

Source Large Mammals Small Mammals Water Birds Terrestrial Birds

Description of Values

Value Class Food Cover


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Following modified from Flora of North America
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FNA | Family List | FNA Vol. 2 | Aspleniaceae | Asplenium

12. Asplenium heterochroum Kunze, Linnaea. 9: 67. 1834.

Varicolored spleenwort

Asplenium muticum Gilbert

Roots not proliferous. Stems erect or ascending, rarely branched; scales black throughout, linear-lanceolate, 2--3 × 0.2--0.4 mm, margin entire, apex attenuate. Leaves monomorphic. Petiole black or purplish black throughout, lustrous, 0.3--5 cm, 1/4--1/15 length of blade; indument of black filiform scales at base. Blade linear or narrowly oblanceolate, 1-pinnate throughout, 6--22(--37) × 1--1.8(--2.3) cm, thin, glabrous; base tapered; apex acute, not rooting. Rachis black throughout, lustrous, glabrous. Pinnae in 15--40 pairs, oblong; medial pinnae somewhat asymmetric, oblong, 4--10 × 2--4(--5) mm; base acute, acroscopically enlarged; margins serrate to crenate, lobed; apex obtuse. Veins free, evident. Sori 3--6 pairs per pinna, on both basiscopic and acroscopic sides of pinnae. Spores 64 per sporangium. 2 n = 144, 216.

Sinkholes, limestone rocks in shady hammocks, masonry; 0--50 m; Fla., Ga.; Mexico; West Indies in Cuba, Puerto Rico; Bermuda; Central America in Belize.

The tetraploid cytotype (4 x ) of Asplenium heterochroum hybridizes with A . resiliens (3 x ) to produce A . × heteroresiliens (5 x ). It is extremely rare and local, known in northern peninsular Florida from Alachua, Citrus, Columbia, Jackson, and Marion counties.

Updated: 2018-09-24 04:35:44 gmt
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