Alisma subcordatum

Rafinesque

Medical Repository hexade 2, 5:354. 1808

Common names: Southern water-plantain alisma subcorde
Synonyms: Alisma parviflorum Pursh Alisma plantago-aquatica var. parviflorum (Pursh) Torrey
Treatment appears in FNA Volume 22.
Click plate for higher resolution version.
Illustrator: John Myers
Herbs, to 6 dm. Leaves emersed, rarely floating, petiolate; blade ovate to elliptic, to 15 × 10 cm. Inflorescences to 1 m. Flowers chasmogamous; sepals 1.5–2.5(–6) mm; petals white, 1–3 mm, margins slightly erose, apex mostly acuminate; anthers rounded, 0.4–0.6 mm; style ± curved, 0.2–0.4 mm, ¼ length ovary. Fruiting heads 2–4 mm diam; achenes obliquely ovoid, 1.5–2.2 mm, abaxially rounded, with 1 abaxial groove; beak ascending. 2n =14.

Phenology: Flowering spring–fall.
Habitat: Shallow ponds, stream margins, marshes, and ditches
Elevation: 50–1500 m

Distribution

V22 317-distribution-map.jpg

N.B., Ont., Que., Ala., Ark., Colo., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Md., Mass., Mich., Minn. Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., N.Dak., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., W.Va., Wis., Mexico.

Discussion

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Alisma subcordatum"
AuthorRobert R. Haynes + and C. Barre Hellquist +
AuthorityRafinesque +
Common nameSouthern water-plantain + and alisma subcorde +
DistributionN.B. +, Ont. +, Que. +, Ala. +, Ark. +, Colo. +, Conn. +, Del. +, D.C. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Vt. +, Va. +, W.Va. +, Wis. + and Mexico. +
Elevation50–1500 m +
HabitatShallow ponds, stream margins, marshes, and ditches +
IllustratorJohn Myers +
PhenologyFlowering spring–fall. +
Publication titleMedical Repository +
Publication year1808 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V22/V22 317.xml +
SynonymsAlisma parviflorum + and Alisma plantago-aquatica var. parviflorum +
Taxon familyAlismataceae +
Taxon nameAlisma subcordatum +
Taxon parentAlisma +
Taxon rankspecies +
VolumeVolume 22 +