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Omalotheca supina

Dwarf Cudweed · Alpine Arctic Cudweed · Alpine Cudweed

Family AsteraceaeGenus Omalotheca

Small brownish flower heads with cream centers, sitting among narrow leaves thickly felted in silver-white, over moss.
FlowerSam ThomasCC BY 2.0

About the plant

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

Habit
subshrubPlants of the World Online
Habit
Perennial, Forb/herbPLANTS Database
Flower
BrownRead from the photograph on this page
Native range
Albania, Altay, Austria, Belarus, Bulgaria, Buryatiya and elsewhereGBIF 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; PLANTS Database — USDA NRCS; Read from the photograph on this page — Deno's Garden; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Protocol

DerivedN. C. Deno, 1998

Difficulty Moderate Rated by us, not by the source.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C Light: dark

about 12 months from start to sowing. Then 20 days to germinate.

56% germination in 10–20 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Omalotheca p. 51Public domain
Show the original text
Omalotheca (Asteraceae). O. supina had given complex behavior with fresh seeds. Seeds DS 1 y germ. 70D(56% in 10-20 d) (1 st Suppl.). Seeds DS 2 y germ. about 50% in 2nd w in either 70D or 70L showing no significant signs of death. The percent germinations are not reliable because of the small seeds and chaff.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Omalotheca p. 51. 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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