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false pak choi

Scientific Name: Brassica parachinensis

Family: Brassicaceae

Category: Dicot

Growth:

Duration:

Other Names:

       

Choi Sum (Brassica parachinensis)

Choi Sum, also known as False Pak Choi, is a nutritious and versatile vegetable enjoyed worldwide. This plant is known by several common names reflecting its widespread cultivation and use in various cuisines.

Common Names:

  • Choi Sum
  • False Pak Choi
  • Chinese Flowering Cabbage
  • Yeou Tsai
  • Yu Toy
  • Cai Xin
  • Tsoi Sum
  • Cai Ngot (Vietnamese)
  • Pakauyai (Thai)
  • Saishin (Japanese)
  • Sum Choi
  • Yu Cai

Taxonomy and Nomenclature

  • Scientific Name: Brassica parachinensis
  • Family: Brassicaceae (Mustard family)
  • Genus: Brassica
  • Note: Some sources list False Pak Choi under Brassica rapa (Parachinensis Group).

Morphological Characteristics and Growth Habits

  • Brassica rapa parachinensis is a biennial plant, typically growing to about 0.3 meters (1 foot) in height.
  • It is shallow-rooted and benefits from moist, fertile soil, though it can tolerate poorer soil conditions.

Distribution and Habitat

  • Widely cultivated in China.

Genetic Information

  • The diploid False Pak Choi has a chromosome number of 2n=2x=AA=20.
  • Tetraploid False Pak Choi has a chromosome number of 2n=4x=AAAA=40.