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Rupicapnos africana

African Rupicapnos

Family PapaveraceaeGenus Rupicapnos

Sprawling stems of small lobed leaves with spikes of pink-tipped white flowers, scattered over stony ground among other low plants.
The whole plantXemenenduraCC BY-SA 3.0

About the plant

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

Flower
White, pinkRead from the photograph on this page
Native range
Algeria, Morocco, SpainGBIF Backbone Taxonomy

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

Sources: Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

Start around November 10, 2026 for a May 3 last frost.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

about 3 months from start to step 2. Germination happens during step 2, in 56 days.

50% germination in 14–56 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Rupicapnos p. 59Public domain
Show the original text
Rupicapnos (Papaveraceae). R. africana germ. 70D(1/12 in 9th w)-40, 70L(2/13 in 6-10 w)-40{3/13 in 4th w), and 70 (GA-3)-40(5/10 in 2-8 w). Seeds DS 1 y were dead.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Rupicapnos p. 59. 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.

Protocol 2

DerivedN. C. Deno, 1998

Difficulty High Rated by us, not by the source.

Start around January 25, 2027 for a May 3 last frost.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: light

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

Steps after step 1 run on after germination.

Germination happens during step 1, in 70 days.

15% germination in 42–70 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Rupicapnos p. 59Public domain
Show the original text
Rupicapnos (Papaveraceae). R. africana germ. 70D(1/12 in 9th w)-40, 70L(2/13 in 6-10 w)-40{3/13 in 4th w), and 70 (GA-3)-40(5/10 in 2-8 w). Seeds DS 1 y were dead.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Rupicapnos p. 59. 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.

Protocol 3

DerivedN. C. Deno, 1998

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

Start around February 1, 2027 for a May 3 last frost.

  1. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: dark

  2. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

Steps after step 1 run on after germination.

Germination happens during step 1, in 63 days.

8% germination in 63 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Rupicapnos p. 59Public domain
Show the original text
Rupicapnos (Papaveraceae). R. africana germ. 70D(1/12 in 9th w)-40, 70L(2/13 in 6-10 w)-40{3/13 in 4th w), and 70 (GA-3)-40(5/10 in 2-8 w). Seeds DS 1 y were dead.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Rupicapnos p. 59. 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.

How each step is done, in Deno’s words, and what Verified and Derived mean.

Germination trials

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

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