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Useful Tropical Plants

Brassica rapa perviridis

L.H.Bailey

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 perviridis (L.H.Bailey) L.H.Bailey.

Common Name: Mustard Spinach

Brassica rapa perviridis
Plant prepared for sale in the market
Photograph by: Joga
GNU Free Documentation License

General Information

Mustard spinach is an annual to biennial plant developed in cultivation from Brassica rapa. Growing from a non-fleshy taproot, it forms a rosette of leaves up to 20cm tall from which eventually arises a flowering stem up to 75cm tall.
The plant is widely cultivated in the Orient for its edible leaves[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
].

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


Range

A cultivar of garden origin.

Habitat

Not known in the wild, it probably arose from B. rapa chinensis, Pak choi[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
].

Properties

Edibility Rating *  *  *
HabitBiennial
Height0.50 m
Growth RateFast
PollinatorsBees, self
Self-fertileYes
Cultivation StatusCultivated

Cultivation Details


Succeeds in full sun in a moisture-retentive 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.
,
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
]. 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.
]. The plant is somewhat deeper rooted than many of the oriental brassicas and is more tolerant of drought, though it grows best if it is not short of water[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
].
There are many named varieties[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
].
It takes 55 - 80 days for plants to reach maturity from sowing[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
]. This is a very hardy plant, although knocked back, it has withstood temperatures down to about -14°c and can be cropped for most of the year[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
]. It is much less likely to bolt from a spring sowing and is fairly resistant to summer heat[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
].

Edible Uses

Leaves - raw or cooked[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
]. The flavour is a happy compromise between the blandness of cabbages and the sharpness of the oriental mustards[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
]. The plant can be eaten at any stage from seedling to mature plant[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
].

Flowering stems - raw or cooked[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
]. Sweet and succulent, but becoming hotter as the plant matures[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
].

Medicinal

None known

Other Uses

None known

Propagation

Seed - sow in situ April to September[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
]. Some varieties can also be sown in a cold greenhouse in late autumn, winter or early spring to provide leaves overwinter and in late spring.
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-06-19. <tropical.theferns.info/viewtropical.php?id=Brassica+rapa+perviridis>

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