Difference between revisions of "Isoëtes caroliniana"
Amer. Fern. J. 82: 26. 1992.
Common names: Carolina quillwort
Basionym: Isoëtes engelmannii var. caroliniana A. A. Eaton Fern Bull 8: 60. 1900
Treatment appears in FNA Volume 2.
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V2/V2_756.xml |
|genus=Isoëtes | |genus=Isoëtes | ||
|species=Isoëtes caroliniana | |species=Isoëtes caroliniana | ||
Revision as of 20:52, 16 December 2019
Plant aquatic, emergent. Rootstock nearly globose, 2-lobed. Leaves evergreen, bright green, pale toward base, spirally arranged, to 60 cm, pliant, gradually tapering to tip. Velum covering less than 3/4 of sporangium. Sporangium wall unpigmented. Megaspores white, 400–550 μm diam., cristate to reticulate with broken lamellate ridges; girdle obscure. Microspores light brown in mass, 24–34 μm, spinulose. 2n = 22.
Phenology: Spores mature summer.
Habitat: Emergent or in shallow water of upland lakes and bogs
Distribution
N.C., Tenn., Va., W.Va.
Discussion
Selected References
None.
Lower Taxa
None.