21. Myrcia guianensis (Aubl.) De Candolle (1828: 245); McVaugh (1969: 93–95) [Fig. 3P. Fig. 6B–C] Occurs from Trinidad to Paraguay (Govaerts et al. 2010) and is widely distributed in Brazil (Sobral et al. 2010). Trees and shrubs 3–8 m tall. This species differs from other Myrcia species by having leaves 3.0–7.5 × 1.5–3.5 cm, a flat or raised midvein on the adaxial lamina surface, lanceolate bracts, linear bracteoles, rounded and unequal calyx lobes, 3 larger (2 mm long), 2 shorter (1 mm long), a 3-locular ovary and subglobose fruits. Selected specimens: BRAZIL. Pernambuco: Igarassu, Usina São José, 20.II.2009, fl., B.S. Amorim 445 et al. (UFP); Recife, Parque Ecológico de Dois Irmãos, 03.V.2010, fr., B.S. Amorim 646 et al. (UFP); Tamandaré, Reserva Biológica de Saltinho, 29.V.2009, fr., B.S. Amorim 470 et al. (UFP).

Published as part of Amorim, Bruno S. & Alves, Marccus, 2012, Myrtaceae from lowland Atlantic Forest areas in the State of Pernambuco, Northeastern Brazil, pp. 33-54 in Phytotaxa 40 on page 44, DOI: 10.11646/phytotaxa.40.1.6, http://zenodo.org/record/4927233