Angiosperms (Flowering Plants) • Earth.com

Western Dock

(Rumex heterophyllus)

galery
en

Description

Rumex aquaticus, Height: 80-150 cm (30-60 in.). Stem erect, usu. unbranched up to inflorescenes, reddish, furrowed. Flower: Usually bisexual. Joint on flower-stalk near base. Perianth-segments in two whorls of three. Segments of outer whorl small, spreading. Inner whorl forms the fruit valves which are broadly ovate to triangular, usu. crenulate, and without pimples. Stamens 6. Pistil consists of 3 fused carpels, styles 3. Flowers in whorls forming racemes. Leaves: Spirally, basal leaves long-stalked, upper leaves- stalks shorter. Leaves hairless, blade elongated-triangular (longer than broad), with cordate base, margins only weakly wavy. Fruit: Brown, sharply three-edged, glossy achene. Habitat: Along rivers, by lakes and the sea. In ditches, streams, and wetlands. Usually at or above the water-line.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Order:Caryophyllales
Family:Polygonaceae
Genus:Rumex
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