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Phyteuma serratum

Corsican Rampion · Saw-toothed Rampion

Family CampanulaceaeGenus Phyteuma

Two violet-blue pincushion heads with long curved styles standing out of them, on slim stems above narrow leaves against granite.
FlowerCardiocerasCC BY 4.0

About the plant

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

Habit
perennialPlants of the World Online
Flower
Violet-blueRead from the photograph on this page
Native range
CorseGBIF 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; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around March 15, 2027 for a May 3 last frost.

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 21 days to germinate.

50% germination in 21 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Phyteuma p. 193Public domain
Show the original text
Phyteuma (Campanulaceae). Seed of P. serratum germ. only with GA- 3. The data for P. serratum were 70D GA-3(50% in 3rd w) and none in 70D or 70L.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Phyteuma p. 193. 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, 1993

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing.

0% germination.

Nothing germinated at 70.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Phyteuma p. 193Public domain
Show the original text
Phyteuma (Campanulaceae). Seed of P. serratum germ. only with GA- 3. The data for P. serratum were 70D GA-3(50% in 3rd w) and none in 70D or 70L.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Phyteuma p. 193. Quoted exactly. Every value on this card comes from this record; 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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