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Hymenoxys subintegra

Arizona Rubberweed

Family AsteraceaeGenus Hymenoxys

A crowded flat cluster of yellow daisies with raised button centers, over narrow gray-green leaves
Flower(c) Wendy McCrady, some rights reserved (CC BY)CC BY 4.0

About the plant

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

Habit
Perennial, Forb/herbPLANTS Database
Flower
YellowFlora of North America
Native range
Arizona, UtahGBIF Backbone Taxonomy

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

Sources: PLANTS Database — USDA NRCS; Flora of North America — Flora of North America Editorial Committee; GBIF Backbone Taxonomy — Global Biodiversity Information Facility.

Worth knowing

Protocol

DerivedN. C. Deno, 1993

Difficulty Low Rated by us, not by the source.

  1. Cold moist stratification

    Temperature: 40°F 4°C

Germination happens during step 1, in 63 days.

100% germination in 21–63 days.

Seed Germination Theory and Practice, 2nd ed. — N. C. Deno, 1993 · Ch. 20, Hymenoxys p. 154Public domain
Show the original text
Hymenoxys (Asteraceae). H. subintegra germ 100% in 2-4 d at 70 and 40(100% in 3-9 w).
Seed Germination Theory and Practice, 2nd ed., Ch. 20, Hymenoxys p. 154. 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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