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Oreocharis billburttii

Yellow-flowered Thick-tube Gesneriad

Family GesneriaceaeGenus Oreocharis

Rounded, quilted and softly hairy gray-green leaves with toothed edges, on fallen leaves
LeafPictured: Oreocharis benthamii, a relativeAgnes TrekkerCC0

About the plant

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

Habit
perennialPlants of the World Online
Native range
TibetGBIF 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; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

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

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

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

80% germination in 14 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Briggsia p. 108Public domain
Show the original text
Briggsia (Gesneriaceae). B. aurantiaca germ. 70L(80% in 2nd w) and 70D(5%). After 2 w the sample in 70D was shifted to 70L, but no more germ. indicating that even short exposures to 70D are fatal.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Briggsia p. 108. 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

Difficulty Very high 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: dark

No stated waiting before sowing. Germination time not stated; 21 days assumed.

5% germination.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Briggsia p. 108Public domain
Show the original text
Briggsia (Gesneriaceae). B. aurantiaca germ. 70L(80% in 2nd w) and 70D(5%). After 2 w the sample in 70D was shifted to 70L, but no more germ. indicating that even short exposures to 70D are fatal.
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Briggsia p. 108. 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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