Papaveraceae and Asteraceae

Eschscholzia californica vs Geraea canescens

These two are not on this page because a keyword tool suggested them. They are here because our own identification model genuinely mistook one for the other, on real photographs, 5 times. We publish the rate, and then we tell you what actually separates them.

Confused 5x by our model Method published

Side by sidefigs. a and b

Eschscholzia californica, photographed by Loopy30
fig. a Loopy30, CC BY-SA 4.0

Eschscholzia californica

California poppy
Geraea canescens, photographed by Trevor Van Loon
fig. b Trevor Van Loon, CC BY 4.0

Geraea canescens

Desert Sunflower

How often our model gets it wrong measured, not estimated

When the plant was The model said How often
Geraea canescens Eschscholzia californica 5 of 19 (26%)

Measured on 38,299 openly licensed, research-grade photographs. Full method and dataset.

What actually separates themon the record

Family Papaveraceae versus Asteraceae. Different families, which is a real separation.
Genus Eschscholzia versus Geraea.
Flowering Peaks in April versus March. If the plant is in flower, timing helps. (n = 13,352 and 4,512.)

What we do not have yet: the diagnostic morphological character that a botanist would key on, from a source we can cite. We are not going to invent one. Until we have it, this page tells you the two are genuinely confusable, how often, and what the taxonomy and the flowering data do and do not settle.

Both recordsfull pages