On Hydrangea peruviana, an endangered species from Ecuador, and Hydrangea oerstedii, very common in Costa Rica and Panama, and seven threatened Central and South American Hydrangeas, which have been confounded with these


	Hydrangea panamensis A plant growing along the stem of a Cecropia B infructescence with young and mature fruits, and enlarged marginal flowers. Hydrangea peruviana C stolons with adventitious roots and decussate leaves. A, B field images of collection Samain & Martínez 2012-063 C field image of collection Granados Mendoza et al. 2012-112.

Part of: Samain M-S, Granados Mendoza C, Martínez Salas EM (2021) On Hydrangea peruviana, an endangered species from Ecuador, and Hydrangea oerstedii, very common in Costa Rica and Panama, and seven threatened Central and South American Hydrangeas, which have been confounded with these. PhytoKeys 171: 91-153. https://doi.org/10.3897/phytokeys.171.56351