Question: Which plant genus is native to South America,  Myrteola or Hoheria?

Context paragraphs:
Hebe (plant): Hebe is a genus of plants native to New Zealand, Rapa in French Polynesia, the Falkland Islands, and South America.  It includes about 90 species and is the largest plant genus in New Zealand.  Apart from "H. rapensis" (endemic to Rapa), all species occur in New Zealand.  This includes the two species, "H. salicifolia" and "H. elliptica", that have distributions extending to South America.  The genus is named after the Greek goddess of youth, Hebe.

Hoheria: Hoheria is a genus of six species of flowering plants in the family Malvaceae.  All are endemic to New Zealand and the Kermadec Islands.  The genus name is a latinization of the Māori language name, "Houhere".  That name, as well as lacebark and ribbonwood, are often used as common names.  The name lacebark comes from the lace-like fibrous inner bark layer.

Tibouchina: Tibouchina Aubl.  is a Neotropical flowering plant genus in Melastomataceae Juss.  that contains approximately 240 species.  Species of this genus are herbs, shrubs or trees and typically have purple flowers.  They are native to Mexico, the Caribbean, and South America where they are found as far south as northern Argentina.  Members of this genus are known as glory bushes, glory trees or princess flowers.  The name "Tibouchina" is adapted from a Guianan indigenous name for a member of this genus .  A recent systematic study has shown that this genus is paraphyletic.

Astrocasia: Astrocasia is a plant genus of the family Phyllanthaceae first described as a genus in 1905.  It is the sole genus in the subtribe Astrocasiinae.  It is native to Mesoamerica, northern South America, and the western part of the West Indies.

Adenophaedra: Adenophaedra is a plant genus of the family Euphorbiaceae first described as a genus in 1874.  It is native to tropical regions of South America and Central America.

Fischeria (plant): Fischeria is a plant genus in the family Apocynaceae, first described as a genus in 1813.  It is native to South America, Central America, southern Mexico, and the West Indies.

Conceveiba: Conceveiba is a plant genus of the family Euphorbiaceae, first described as a genus in 1775.  It is native to South America and Central America.

Caryodendron: Caryodendron is a plant genus of the family Euphorbiaceae first described as a genus in 1860.  The genus includes "C. orinocense", known as the Inchi tree or Tacay nut.  It is native to Central America and South America.

Actinostemon: Actinostemon is a plant genus of the family Euphorbiaceae first described as a genus in 1841.  It is native to South America, Central America, and the West Indies.

Myrteola: Myrteola is a plant genus in the Myrtaceae described as a genus in 1856.  It is native to South America and the Falkland Islands.

Supporting paragraphs: Myrteola Hoheria
Answer: Myrteola