genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
s in the caltrop family,
Zygophyllaceae
Zygophyllaceae is a family of flowering plants that contains the bean-caper and caltrop. The family includes around 285 species in 22 genera.
Plants in the family Zygophyllaceae may be trees, shrubs, or herbs. They are often found in dry habit ...
. Species in this genus are all native to South America. The wood of some – particularly '' B. arborea'' and '' B. sarmientoi'' – is traded as verawood (colloquially "vera") or ''"
lignum vitae
Lignum vitae (), also called guayacan or guaiacum, and in parts of Europe known as Pockholz or pokhout, is a wood from trees of the genus '' Guaiacum''. The trees are indigenous to the Caribbean and the northern coast of South America (e.g., Co ...
"''. They are close relatives of the "true" ''lignum vitae'' trees of genus ''
Dugand
Armando Dugand (July 23, 1906 – 1971) was a Colombian botanist, geobotanist, and ornithologist.
Dugand's father, François Victor (or Francisco Víctor) Dugand, was a successful French banker; his mother was Reyes Geneco (or Gnecco) Coronado.B ...
Gay
''Gay'' is a term that primarily refers to a homosexual person or the trait of being homosexual. The term originally meant 'carefree', 'cheerful', or 'bright and showy'.
While scant usage referring to male homosexuality dates to the late ...
Bulnesia retama
''Bulnesia'' is a genus of flowering plants in the caltrop family, Zygophyllaceae. Species in this genus are all native to South America. The wood of some – particularly ''Bulnesia arborea, B. arborea'' and ''Bulnesia sarmientoi, B. sarmien ...
Arn.
George Arnott Walker Arnott of Arlary (6 February 1799 – 17 April 1868) was a Scottish botanist. He collaborated with botanists from around the world and served as a regius professor of botany at the University of Glasgow. An orchid genus ' ...