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Brassica rapa Pak Choi Group [purple bok choy]

Family Name: Brassicaceae (Cruciferae)
Full Sun Moderate Water Fruit or Vegetable Annual Herbaceous Plant


Family Name
Genus Epithet
Species Epithet
Infraspecific Epithet

Classifications and Characteristics

Plant Growth Form Herbaceous Plant
Lifespan (in Singapore) Annual
Mode of Nutrition Autotrophic
Maximum Height 15 cm to 20 cm

Description and Ethnobotany

Foliage Dark purple, oval leaves with long, greenish cream-coloured petioles are arranged in a loose rosette. The venation is palmate.
Cultivation Seeds may take 3 to 5 days to germinate. Does well in full sun but also tolerant of partial shade. Prefers to grow in fertile and well-drained soil. Depending on the varieties, the plant may take 30 to 35 days to reach a suitable harvest size. Once the plants reach 20 cm tall or the desired size, they are ready for harvesting.
Ethnobotanical Uses Edible Plant Parts (Edible Leaves)
Food (Fruit & Vegetable : The leaves turn bright green when cooked, but you can also eat them raw if you want to maintain the purple colour. The baby leaves are better for salads.)

Landscaping Features

Plant & Rootzone Preference - Tolerance Moist Soils, Well-Drained Soils, Fertile Loamy Soils
Thematic Landscaping Economic Garden

Plant Care and Propagation

Light Preference Full Sun
Water Preference Moderate Water


Mature Foliage Colour(s) Purple
Mature Foliage Texture(s) Smooth
Foliar Type Simple / Unifoliate
Foliar Arrangement Along Stem Rosulate / Rosette
Foliar Attachment to Stem Petiolate
Foliar Shape(s) Non-Palm Foliage
Foliar Apex - Tip Rounded
Foliar Base Cuneate

Floral (Angiosperm)

Flower & Plant Sexuality 1 Bisexual Flowers
Flower Colour(s) Yellow / Golden
Flower Texture(s) Smooth
Flower Grouping Cluster / Inflorescence
Flower Location Terminal
Flower Symmetry Radial
Individual Flower Shape Cruciform / Cross-shaped

Image Repository



Master ID 32849
Species ID 7263
Flora Disclaimer The information in this website has been compiled from reliable sources, such as reference works on medicinal plants. It is not a substitute for medical advice or treatment and NParks does not purport to provide any medical advice. Readers should always consult his/her physician before using or consuming a plant for medicinal purposes.
Species record last updated on: 20 August 2021.