| Author | P. Miller | |
| Distribution | Mountains and Piedmont. First collected in 1909 at a streetside in Chapel Hill, Orange County.
Native of Europe; in N.A. throughout. | |
| Abundance | Fairly common to locally common in the Mountains, rare to uncommon in the Piedmont. | |
| Habitat | Fields, pastures, roadsides, clearings, drained lake, waste ground. | |
| Phenology | Flowering and fruiting May-October. | |
| Identification | Butter-and-eggs is a rather familiar exotic species in the mountains, much less so downstate. It looks at first glance like a small snapdragon. It grows about a foot tall, with abundant linear leaves. The flowers occur bunched together near the tip, pale yellow but with a darker yellow to orange throat, and a pale spur pointing down. | |
| Taxonomic Comments | | |
| Other Common Name(s) | | |
| State Rank | SE | |
| Global Rank | GNR | |
| State Status | | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |