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Lewisia cotyledon

Siskiyou Lewisia · Cliff Maids

Family MontiaceaeGenus Lewisia

A flat rosette of fleshy leaves with sprays of pink flowers on branching stems
The whole plantDidier DescouensCC BY-SA 4.0

About the plant

What it is and where it grows — not part of any germination protocol.

Habit
semisucculent perennialPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
Pink-purpleFlora of North America
Native range
California, OregonGBIF Backbone Taxonomy

Toxicity is noted only where a source states it. No note here is not a finding of safety.

Sources: Plants of the World Online — Royal Botanic Gardens, Kew; PLANTS Database — USDA NRCS; Flora of North America — Flora of North America Editorial Committee; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

Protocol

DerivedN. C. Deno, 1998

Difficulty Very high Rated by us, not by the source.

  1. Dry storage

    Duration: 1460 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 4 years from start to sowing. Then 12 days to germinate.

2% germination in 4–12 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Lewisia p. 44Public domain
Show the original text
Lewisia (Portulacaceaë). L. cotyledon had germ. largely at 40 in a number of qualitative experiments (2nd Ed.); A sample DS 4 y germ. 70D(2% in 4-12 d) and 40(none).
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Lewisia p. 44. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

Germination trials

Readers’ own records of sowing this species, published after review. Share your trial · All trials

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