Practical
Plants

Lewisia brachycalyx

a perennial member of the Lewisia genus in the family Portulacaceae.

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Taxonomy and growth

Genus
Lewisia
Life cycle
perennial
Growth rate
slow
Height
0.15 m
Fertility
Insects
Flower type
hermaphrodite
Pollinators
Insects

Uses

Edible uses

This section contains historical Plants For A Future notes marked noncommercial.

Root - cooked. Steeped and boiled[5]. Said to be extremely nutritious. It is easiest to use when the plant is in flower because the outer layer of the root (which is very bitter) slips off easily at this time of the year[9]. The root has a good taste though a decided bitter flavour develops afterwards[2][4].

Plant part
Root

Environment

Range
Western N. America.
Habitat
Wet meadows, 1300 - 2200 metres in California[8].
Light
full sun
Shade tolerance
no shade
Water
moderate
Hardiness
Zone 5+
Soil textures
sandy, loamy
Soil pH
acid, neutral
Drainage
well drained
Tolerates Nutritionally Poor Soil
No
Drought
intolerant

Propagation

This section contains historical Plants For A Future notes marked noncommercial.

Seed - best sown as soon as it is ripe in a cold frame in a very freely draining soil[3]. Sow stored seed as soon as possible in a cold frame. One months cold stratification should improve germination, though this is still likely to be very slow. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first two winters. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Division in March/April. Very difficult.

Cultivation

This section contains historical Plants For A Future notes marked noncommercial.

Requires a very well-drained gritty humus-rich deep soil in a sunny position[1][7]. Prefers a neutral to acid soil[6]. This species is not reliably hardy in Britain[1]. It can withstand consistently very cold weather but does not like alternating periods of mild and cold conditions, nor does it like winter wet[1]. The plant is very susceptible to rotting at the neck in a damp soil[7]. Plants die down after flowering and start growing again in the autumn[6]. Very apt to hybridize with other members of this genus[1].

References

  1. F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951-00-00

    ↩1↩2↩3↩4

  2. Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing 1976-00-00

    ↩

  3. ? Alpine Garden Society Bulletin. Volume 56. Alpine Garden Society

    ↩

  4. Yanovsky. E. Food Plants of the N. American Indians. Publication no. 237. U.S. Depf of Agriculture.

    ↩

  5. Kunkel. G. Plants for Human Consumption. Koeltz Scientific Books 1984-00-00 ISBN 3874292169

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  6. Brickell. C. The RHS Gardener's Encyclopedia of Plants and Flowers Dorling Kindersley Publishers Ltd. 1990-00-00 ISBN 0-86318-386-7

    ↩1↩2

  7. Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992-00-00 ISBN 0-333-47494-5

    ↩1↩2

  8. Munz. A California Flora. University of California Press 1959-00-00

    ↩

  9. Harrington. H. D. Edible Native Plants of the Rocky Mountains. University of New Mexico Press 1967-00-00 ISBN 0-8623-0343-9

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