Differentiating Pigweed and Mugwort: A Visual Guide

April 14, 2024

Are you also confused about the difference between pigweed and mugwort? Let me show you how to correctly distinguish pigweed and its pigweed picture form!


Pigweed Picture

Pigweed

Pigweed is an annual herbaceous plant, 20-250 centimeters tall. The stem is erect, with edges, and branches out. It is green or dark purple, covered with white hairs. The lower leaves (1-5 sections) are opposite, and the upper leaves are alternate. The leaflets are triangular, deeply lobed in a fern-like manner, and the lobes are lanceolate. The leaves are covered with white hairs on both sides or hairless on the surface. The upper surface is green, and the lower surface is grayish green.

The inflorescence is a unisexual head, with male and female flowers on the same plant. The male inflorescence has short pedicels, hanging down, arranged in a terminal cyme, up to 10 centimeters long. Each head has a diameter of 2-3 millimeters and contains 10-15 male flowers. The corolla is pale yellow, 2 millimeters long, and the pollen grains are spherical with short spines. The female inflorescence is sessile, located in the leaf axils at the base of the male inflorescence, solitary or clustered, with bract-like bracts below each female inflorescence. The involucre is inverted egg-shaped or conical, pouch-shaped, with 5-8 pointed teeth at the top, and only one female flower, without corolla and corolla hair. The styles are thread-like and extend beyond the involucre. The fruit is inversely egg-shaped and is enclosed in a hard involucre.


Mugwort Picture

Mugwort

The stem of mugwort is erect, round, hard in texture, and woody at the base. It is covered with grayish-white soft hairs and branches above the middle.

The leaves are single and alternate. The lower leaves of the stem wither when flowering. The middle leaves have short petioles, oval-elliptic leaf blades, deeply lobed in a fern-like manner, with lanceolate lobes and coarse serrations on the edges. The upper surface is dark green, sparsely covered with white soft hairs and densely covered with glandular dots. The lower surface is grayish green, densely covered with grayish-white hairs. The uppermost leaves near the stem apex are sessile and sometimes have entire margins without lobes, lanceolate or linear-lanceolate leaf blades.

Effects of Pigweed


Pigweed Picture

1. Treatment of gonorrhea

Pigweed (also known as inverted grass) fresh whole plant, 6 to 12 grams (4 to 6 grams when dried).

Boil in water and take before meals, once a day. (Fujian Folk Herbal Medicine)

2. Treatment of sprains and painful joints

Pigweed fresh whole plant, one handful, and a handful of hair.

Boil and steam, once a day, can be used frequently. (Fujian Folk Herbal Medicine)

3. Treatment of axillary abscess

Pigweed fresh whole plant, two taels, stew with wine and water, and apply the mash to the affected area. (Fujian Chinese Herbal Medicine)

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