''Isabelcristinia'' is a genus of shrubs in the family

Linderniaceae Linderniaceae is a family (biology), family of flowering plants in the order Lamiales, which consists of about 25 genus, genera and 265 species occurring worldwide. ''Vandellia micrantha'' is eaten in Laos, but tastes bitter. Best known are the w ...

containing a single species, ''Isabelcristinia aromatica''. It grows on rocky outcrops called

inselbergs An inselberg or monadnock () is an isolated rock hill, knob, ridge, or small mountain that rises abruptly from a gently sloping or virtually level surrounding plain. In Southern Africa a similar formation of granite is known as a koppie, a ...

in north-eastern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

in the state of

Pernambuco Pernambuco () is a state of Brazil, located in the Northeast region of the country. With an estimated population of 9.6 million people as of 2020, making it seventh-most populous state of Brazil and with around 98,148 km², being the 19 ...

. It has upright branches with gland-covered leaves that are aromatic to the touch. It has bilabiate flowers with a yellow lower and a pink upper lip and is likely pollinated by large bees. The genus is closely related to '' Ameroglossum'', which is found in similar habitats, but has flowers pollinated by hummingbirds. Almeida, E.M., Wanderley, A.M., Santos, A.D.S., De Melo, J.I.M., Souza, G., Batista, F.R.D.C., Christenhusz, M.J. and Felix, L.P., 2019. Two new genera and species of Linderniaceae (Lamiales) from inselbergs in northeastern Brazil: morphological and karyological evidence. ''Phytotaxa'' 400(4): 215-226. The species is considered Endangered, because it has very little recruitment of new plants and the area where it is found is not protected and under pressure from human and feral animal disturbance.

References

Linderniaceae Lamiales genera {{Lamiales-stub