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Isoetes ×eatonii
Scientific Name: Isoetes ×eatonii
Family: Isoetaceae
Category: Quillwort
Growth: Graminoid
Duration: Perennial
Other Names:
Eaton's Quillwort (Isoetes eatonii)
Eaton's quillwort, scientifically known as Isoetes eatonii, is a fascinating aquatic plant with unique origins and characteristics.
Taxonomy and Nomenclature
- Scientific Name: Isoetes eatonii Dodge
- Family: Isoetaceae
- Order: Isoetales
- Synonyms: Isoetes eatoni Dodge, Isoetes x eatonii R. Dodge (pro sp.) engelmannii x tenella
Distribution and Habitat
- Eaton's quillwort can be found in ponds and slow-moving rivers, including locations in Canada and Kentucky.
Description
- Isoetes eatonii is a quillwort, which are aquatic plants with grass-like leaves that arise from a corm-like base.
- Internal air chambers within the leaves indicate that primitive Isoetes species were aquatic.
Genetics
- Isoetes x eatonii is a sterile hybrid between I. echinospora and I. engelmannii.
- Hybrid vigor is exhibited in Isoetes hybrids.
- In some cases, chromosome doubling in hybrids like I. eatonii can lead to fertile allotetraploids.
Ecology
- Isoetes eatonii may form hybrids with other quillwort species (Isoetes).
Further Information
- Encyclopedia of Life: Go to Encyclopedia of Life
- USDA-NRCS PLANTS Database
- Tropicos: Tropicos
- Wikimedia Commons
- PLANTS Database
- Wildlife & Ecology Studies Worldwide Database