The photo is of a curly dock plant in the rosette form.

Curly dock – Rumex crispus

Rumex crispus L.

Polygonaceae (Smartweed family)

MI Status

Non-native

Life cycle

Erect, taprooted, simple perennial.

Leaves

Alternate, long and narrow with round to pointed tips and wavy margins. Leaves are shaped like bacon strips.

Stems

Forms a basal rosette that bolts prior to flowering, unbranched, reaching 3 to 4 feet in height. A membranous sheath (ocrea) surrounds the stem at the base of
each petiole.

Flowers and fruit

Flowers are small, usually greenish, and found in clusters on the upper stems, becoming reddish brown at maturity. The seed is enclosed in a single-seeded, shiny, reddish-brown, three-sided fruit.

Reproduction

Seeds and a fleshy taproot.

Similar weeds

Broadleaf dock (R. obtusifolius L.)
Differs by having much wider, broader leaves and usually heart-shaped leaf bases.

The photo is of curly dock growing in the rosette form prior to flowering.
Curly dock rosette
The photo is of a curly dock flower.  The leaves are green with wavy margins.
Curly dock flower
The photo shows a curly dock seedhead.  The seedhead becomes reddish brown at maturity.
Curly dock seedhead
The photo is of a curly dock seedling with green leaves and cotyledons.
Curly dock seedling

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