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Useful Tropical Plants

Brassica rapa narinosa

(L.H.Bailey) Hanelt

Brassicaceae


This species has been cultivated as a food crop for many hundreds of years and, in that time, several quite distinct forms have arisen. The nomenclature of these forms is confused, to say the least, and by no means universally accepted. We have followed the treatment used by GRIN, though it is very likely to be revised in the future[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

+ Synonyms

Brassica campestris narinosa (L.H.Bailey) Kitam.

Brassica narinosa L.H.Bailey

Common Name: Tat Soi

Brassica rapa narinosa
Aerial view of a plant with a dense, open head of leavs
Photograph by: baldeaglebluff
Creative Commons License
Brassica rapa narinosa Brassica rapa narinosa Brassica rapa narinosa

General Information

Tat soi is an annual to biennial plant developed in cultivation from Brassica rapa. Growing from a non-fleshy taproot, it forms a rosette of spreading leaves and, eventually, a flowering stem up to 100cm tall.
Tat soi is often cultivated, especially in the Orient, for its edible leaves.

Known Hazards

The oil contained in the seed of some varieties of this species can be rich in erucic acid which is toxic. However, modern cultivars have been selected which are almost free of erucic acid.

Botanical References

200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

Range

A cultivar of garden origin.

Habitat

Not known in the wild.

Properties

Edibility Rating *  *  *
HabitBiennial
Height0.20 m
PollinatorsBees, Self
Self-fertileYes
Cultivation StatusCultivated

Cultivation Details

Tatsoi has been developed in cultivation in the warm temperate zone of China. It can be grown as an annual from the temperate zone to the tropics and can also be grown in the cold season in the temperate zone, where it can tolerate temperatures down to around -10°c and can even be harvested from under the snow.
Succeeds in full sun in a well-drained fertile preferably alkaline soil[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Prefers a pH of 5.5 - 7[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Tolerates a pH in the range 4.3 to 7.5. Prefers a cool moist reasonably fertile soil[
52
Title
Salads all the Year Round.
Publication
 
Author
Larkcom. J.
Publisher
Hamlyn
Year
1980
ISBN
 
Description
A good and comprehensive guide to temperate salad plants, with full organic details of cultivation.
].
There are some named varieties.

Edible Uses

Leaves - raw or cooked.

Medicinal

None known

Other Uses

None known

Propagation

Seed - sow in situ
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2018-10-16. <tropical.theferns.info/viewtropical.php?id=Brassica+rapa+narinosa>

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