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Caiophora coronata

Ortiguilla

Family LoasaceaeGenus Caiophora

Also published as Cajophora coronata. You are in the right place.

Nodding white cup-shaped flowers at the base of a dense cushion of spiny, deeply cut dark green leaves
FlowerSebaArosZCC BY 4.0
A hand-colored plate of large cream cup-shaped flowers on bristly stems with deeply cut leaves, with a flower in section, a seed and the whole plant drawn separately
IllustrationBentham-Moxon Trust.; Curtis, William; Curtis's botanical magazine dedications, 1827-1927 : portraits and biographical notes.; Royal Botanic Gardens, Kew.; Stanley Smith Horticultural Trust.Public domain

About the plant

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

Habit
perennial or rhizomatous geophytePlants of the World Online
Flower
WhiteRead from the photograph on this page
Native range
Argentina Northwest, Bolivia, Chile Central, Chile NorthGBIF 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 three treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Moderate Rated by us, not by the source.

Start around March 22, 2027 for a May 3 last frost.

  1. Sow on the surface — do not cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 14 days to germinate.

30% germination in 14 days.

Light at 70 is the only treatment that worked.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, CajophoraPublic domain
Show the original text
Cajophora (Loasaceae). C. coronata germ. 70L(30% in 2nd w). All rotted in 70D or when started at 40.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cajophora. 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

    All rotted.

No stated waiting before sowing.

0% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, CajophoraPublic domain
Show the original text
Cajophora (Loasaceae). C. coronata germ. 70L(30% in 2nd w). All rotted in 70D or when started at 40.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cajophora. Quoted exactly. Every value on this card comes from this record; the step names come from a fixed list.

Protocol 3

DerivedN. C. Deno, 1993

  1. Cold moist stratification

    Temperature: 40°F 4°C

    All rotted.

Germination happens during step 1.

0% germination.

This source doesn't state how long step 1 lasts.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, CajophoraPublic domain
Show the original text
Cajophora (Loasaceae). C. coronata germ. 70L(30% in 2nd w). All rotted in 70D or when started at 40.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Cajophora. 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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