Lemna minimaP. Beauv. [family LEMNACEAE ] (stored under name); Verified by Data not digitized, Lemna minimaP. Beauv. [family LEMNACEAE ] Verified by Data not digitized,
Related name
Lemna minuta
Lemna minuscula
Wolffiella oblonga
Lemna gibba
Spirodela polyrrhiza
Lemna minima
Flora
Entry for Lemna minuta Kunth [family LEMNACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 22,
Names
Lemna minutaKunth [family LEMNACEAE], in A. von Humboldt et al.,Nov. Gen. Sp., 1: 372. 1816
Lemna minimaPhilippi [family LEMNACEAE]
Lemna minusculaHerter [family LEMNACEAE]
Information
Roots to 1.5 cm, tip rounded to pointed; sheath not winged. Stipes white, small, often decaying. Fronds floating, 1 or 2--few, coherent in groups, obovate, flat to thickish (but not gibbous), 0.8--4 mm, 1--2 times as long as wide, margins entire; veins 1, sometimes indistinct, very rarely longer than extension of air spaces, not longer than 2/3 of distance between node and apex; with or without small papillae along midline; anthocyanin absent; largest air spaces much shorter than 0.3 mm; turions absent. Flowers: ovaries 1-ovulate, utricular scale open on 1 side. Fruits 0.6--1 mm, not winged. Seeds with 12--15 distinct ribs. 2n = 36 (U), 40 (U), 42 (G).
Phenology
Flowering (very rare) late spring--early fall
Mesotrophic to eutrophic, quiet waters in temperate to subtropical regions with relatively mild winters