BugwoodWiki Article

perilla mint
Perilla frutescens (L.) Britton

Overview

Appearance
Perilla frutescens is an erect, annual freely branching herbaceous plant that grows from 1-6.6 ft. (0.3-2 m) tall. The square stems are villose, purple or green with four parallel grooves. Dried stalks can persist through winter. It is native to Eastern Asia.
Foliage
Opposite leaves are membranous or herbaceous, broadly ovate or orbicular, 2.76-5.12 in. long by 1.77-3.94 in. wide (7-13 cm X 4.5-10 cm), with mucronate tips, a rounded or broad cuneate bases, and dentate margins. The pilose surface of the leaves may be green or purple on both sides. Each leaf has seven to eight pairs of lateral veins, which are closer together near the base. The veins on the upper surface are slightly raised, more so on the underside. The petiole is flat and villose.
Flowers
Flowers are held in pairs along the stalk. The inflorescence is a villose corymb that may grow either terminally or from the leaf axils.
Fruit
The sub-globose fruits are reticulate nutlets, grayish-brown, and are about 0.06 in. (1.5 mm) in diameter.
Ecological Threat
P. frutescens grows along roadsides, ditches, forest margins, and on hillsides. It spreads to natural areas, especially disturbed areas. I can disrupt native ecosystems by outcompeting native plants. It is ordinarily avoided by cattle and has been implicated in cattle poisoning. Beefsteak plants are most toxic if cut and dried for hay late in the summer, during seed production.

Resources

Selected Images


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Perilla frutescens
Foliage
Jil Swearingen
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Plant(s)
John D. Byrd
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Plant(s)
John D. Byrd
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Perilla frutescens
Plant(s)
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Perilla frutescens
Fruit(s)
John D. Byrd
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Flower(s)
Chris Evans
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Feature(s)
Marisa Williams
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Feature(s)
Marisa Williams
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Plant(s)
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Fruit(s)
Marisa Williams
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Foliage
Marisa Williams
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perilla mint
Perilla frutescens
Fruit(s)
Marisa Williams

Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

Most Troublesome / Most Common Agricultural Weed List
This map identifies those states that consider this species either most troublesome or most common in at least one commodity. For more information, visit the MTMC project page.

State Regulated List
Legend
   No Data for this state
   Troublesome or Common weed in one or more crops

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Lamiales
Family: Lamiaceae
Genus: Perilla

Other System Links

Plants: PEFR4
Bayer: PRJFR
GRIN: 27364
ITIS: 32634
NPDN Pest: PCOBDBA

Synonyms and Other Names

Other Common Names:
beefsteakplant, Perilla mint, beefsteak, beefsteak mint, Purple mint

Categories

Category: Forbs/Herbs