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Stylidium graminifolium

Grass Triggerplant

Family StylidiaceaeGenus Stylidium

Spikes of small magenta flowers, each with a pair of wing-like petals, on red-brown stems in dry grass.
FlowerMick Stanic from Melbourne, AustraliaCC BY 2.0

About the plant

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

Flower
Pale pink, bright pinkWikipedia
Native range
New South Wales, Queensland, South Australia, Tasmania, VictoriaGBIF Backbone Taxonomy

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

Sources: Wikipedia — Wikipedia contributors; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

  • Triggerplants pollinate with a sensitive trigger, a column in which stamen and style are fused, unique to their family. This is the most widespread triggerplant in Australia. Wikipedia: Stylidium graminifolium

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Low 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

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

100% germination in 21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Stylidium p. 80Public domain
Show the original text
Stylidium (Stylidaceae). S. graminifolium germ. 70 GA-3(100% in 3rd w), 70L(70% in 3rd w), 70D{55% in 3-7 w), and 40-70D(none). RCh reports similar results with several species. Germination rates and percentages are increased with GA-3 treatment.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Stylidium p. 80. 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, 1996

Difficulty Low Rated by us, not by the source.

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

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

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

70% germination in 21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Stylidium p. 80Public domain
Show the original text
Stylidium (Stylidaceae). S. graminifolium germ. 70 GA-3(100% in 3rd w), 70L(70% in 3rd w), 70D{55% in 3-7 w), and 40-70D(none). RCh reports similar results with several species. Germination rates and percentages are increased with GA-3 treatment.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Stylidium p. 80. 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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