Contains 2 accepted taxa overall.

Characteristics
Guaiacum L.
LIGNUM VITAE
Classification
ZYGOPHYLLALES
Guaiacum
Citation
GUAACUM Linnaeus, Sp. Pl. 381. 1753, orth. cons.
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TYPE: Guaiacum officinale Linnaeus Lectotypified by Vail & Rydberg, in Britton, N. Amer. Fl. 25: 105. 1910.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Guaiacum officinale COMMON LIGNUMVITAE Not Native
Guaiacum sanctum HOLYWOOD LIGNUMVITAE Native Endangered-State
[Family identification key]
1.  Leaflets mostly 4 per leaf; petals tomentulose; fruit obcordate, with 2 wing-like angles
1.  Leaflets (4-)6-10 per leaf; petals glabrous; fruit obovoid, with 5 wing-like angles
Genus Synonyms
Synonym Full Citation Basionym Type
Guiacon Guiacon Adanson, Fam. Pl. 2:507. 1763. TYPE: = Guaiacum Linnaeus 1753.