Contains 2 accepted taxa overall.

Characteristics
Syzygium P.Browne ex Gaertn.
SYZYGIUM
Classification
MYRTALES
Syzygium
Citation
SYZYGIUM P. Browne ex Gaertner, Fruct. Sem. Pl. 1: 166, t. 33. 1788, nom. cons. vs. Caryophyllus Linnaeus 1753, et vs. Suzygium P. Browne 1756, et vs. Jambosa Adanson 1763.
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TYPE: Syzygium caryophyllaeum Gaertner, typ. cons.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Syzygium cumini JAVA PLUM Not Native UPL (NWPL) Y FAC (DEP)
Syzygium jambos MALABAR PLUM; ROSE APPLE Not Native FACU (NWPL) Y FAC (DEP)
[Family identification key]
1.  Petiole usually >1 cm long; leaf blade usually >4 cm wide, abruptly acuminate, the major secondary veins closely set; inflorescence on older parts of branches, paniculate; flower buds 5-6 mm long; calyx truncate, the lobes inconspicuous; petals connate, calyptrate at anthesis
1.  Petiole usually <1 cm long; leaf blade usually <5 cm wide, gradually acuminate, the major secondary veins relatively more widely spaced; inflorescence terminal, racemose; flower buds 25-30 mm long; calyx 4-lobed; petals free
Genus Synonyms
Synonym Full Citation Basionym Type
Caryophyllus Caryophyllus Linnaeus, Sp. Pl. 515. 1753, nom. rej. vs. Syzygium Gaertner 1788. TYPE: Caryophyllus aromaticus Linnaeus
Cerocarpus Cerocarpus Hasskarl, Flora 25(2, Beibl.): 36. 1842. TYPE: Cerocarpus aqueus (Burman f.) Hasskarl (Eugenia aquea Burman f.) = Malidra Rafinesque 1838.
Chloromyrtus Chloromyrtus Pierre, Bull. Mens. Soc. Linn. Paris 2: 71. 1898. TYPE: Chloromyrtus klaineana Pierre
Clavimyrtus Clavimyrtus Blume, Mus. Bot. 1: 113, t. 49. 1850 ("1849"). TYPE: Clavimyrtus glabrata Blume (Myrtus glabrata Blume 1826-1827, non Swartz 1788) Lectotypified by Merrill & Perry, Mem. Amer. Acad. Arts 18(3): 141. 1939.
Gelpkea Gelpkea Blume, Mus. Bot. 1: 88, t. 55. 1850 ("1849"). TYPE: Non designatus.
Jambosa Jambosa Adanson, Fam. Pl. 2: 88, 564. 1763, orth. cons.; nom. rej. vs. Syzygium Gaertner 1788. TYPE: Jambosa vulgaris de Candolle, nom. illegit.; typ. cons. (Eugenia jambos Linnaeus; Jambosa jambos (Linnaeus) Millspaugh)
Macromyrtus Macromyrtus Miquel, Fl. Ned. Ind. 1(1): 439. 1855. TYPE: Macromyrtus javanicus Miquel
Malidra Malidra Rafinesque, Sylva Tellur 107. 1838. TYPE: Malidra aquea (Burman f.) Rafinesque (Eugenia aquea Burman f.)
Microjambosa Microjambosa Blume, Mus. Bot. 1: 117. 1850 ("1849"). TYPE: Microjambosa conferta (Korthals) Blume (Jambosa conferta Korthals) Lectotypified by Merrill & Perry, Mem. Amer. Acad. Arts 18(3): 141. 1939.
Pseudoeugenia Pseudoeugenia Scortechini, J. Bot. 23: 153. 1885. TYPE: Pseudoeugenia perakiana Scortechini
Strongylocalyx Strongylcalyx Blume, Mus. Bot. 1: 89, t. 54. 1850 ("1849"). TYPE: Strongylocalyx leptostemon (Korthals) Blume (Jambosa leptostemon Korthals) Lectotypified by Merrill & L. M. Perry, Mem. Amer. Acad. Arts 18(3): 141. 1939.
Syllysium Syllysium Meyen & Schauer, in Meyen, Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19(Suppl.1): 334. 1843. TYPE: Syllysium buxifolium Meyen & Schauer 1843.