Isotype of Alisma trivialePursh [family ALISMATACEAE ] (stored under name); Verified by Data not digitized, Alisma brevipesGreene [family ALISMATACEAE ] Verified by Data not digitized,
Related name
Alisma brevipes
Alisma triviale
Common name
Northern water-plantain, Flora of North America Vol. 22
alisma commun, Flora of North America Vol. 22
Flora
Entry for Alisma triviale Pursh [family ALISMATACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 22,
Names
Alisma trivialePursh [family ALISMATACEAE], Flora Americae Septentrionalis, 1: 252. 1814
Alisma plantago-aquaticaLinnaeus var. americanum Schultes & Schultes f. [family ALISMATACEAE]
Information
Herbs, to 1 m. Leaves emersed, petiolate; blade linear-lanceolate to broadly elliptic or oval, to 35 ´ 3--12 cm. Inflorescences to 1 m. Flowers chasmogamous; sepals 3--6 mm; petals white, 3.5--6 mm, margins ± erose, apex obtuse; anthers ovoid, 0.6--1 mm; style ± curved, 0.4--0.6 mm, equal to ovary length. Fruiting heads 4.1--7 mm diam; achenes ovoid, 2.1--3 mm, abaxial keel broadly rounded with 1 median abaxial groove, beak erect or nearly erect. 2n = 28.