Strawberry guava Myrtaceae Native to Brazil and adjacent tropical South America A highly invasive species in Hawaiʻi  In Hawaiʻi, the red-fruited variety is locally known as waiawī ʻulaʻula. The yellow-fruited variety is usually larger and is known as lemon guava (Psidium cattleianum f. lucidum) or waiawī melemele.   Picked fresh from a hike.   Among the local population, there appears to be a love, a love/have, or a hate affiliation with strawberry guava in Hawaii.