Both Maianthemum

Maianthemum racemosum vs Maianthemum stellatum

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, 4 times. We publish the rate, and then we tell you what actually separates them.

Confused 4x by our model Same genus Maianthemum Method published

Side by sidefigs. a and b

Maianthemum racemosum, photographed by Michelle Norcéide
fig. a Michelle Norcéide, CC BY 4.0

Maianthemum racemosum

Solomon's plume
Maianthemum stellatum, photographed by Laura Gaudette
fig. b Laura Gaudette, CC BY 4.0

Maianthemum stellatum

star-flowered lily-of-the-valley

How often our model gets it wrong measured, not estimated

When the plant was The model said How often
Maianthemum stellatum Maianthemum racemosum 4 of 20 (20%)

Measured on 38,949 openly licensed, research-grade photographs. Full method and dataset.

What actually separates themon the record

Family Both Asparagaceae. The family does not separate them.
Genus Both Maianthemum. Congeners, which is why this is hard.
Flowering Peaks in March versus May. If the plant is in flower, timing helps. (n = 4,665 and 3,160.)

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