Alisma subcordatum

Rafinesque

Medical Repositoryhexade 2, 5:354. 1808

Common names: Southern water-plantain alisma subcorde
Synonyms: Alisma parviflorum Alisma plantago-aquatica parviflorum
Found in FNA Volume 22.
FNA22 P5 Sagittaria Alisma Hydrocharis pg 21.jpeg
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

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.

Facts about "Alisma subcordatum"
AuthorRobert R. Haynes + and C. Barre Hellquist +
Common nameSouthern water-plantain + and alisma subcorde +
Elevation50–1500 m +
HabitatShallow ponds, stream margins, marshes, and ditches +
IllustratorJohn Myers +
PhenologyFlowering spring–fall. +
ReferenceNone +
SynonymAlisma parviflorum + and Alisma plantago-aquatica parviflorum +
Taxon nameAlisma subcordatum +
Taxon parentAlisma +
Taxon rankspecies +
VolumeVolume 22 +