What is "himatanthus"

Himatanthus is a genus of flowering plant in the family Apocynaceae, first described as a genus in 1819. It is native to Panama and South America.

|url=http://www.theplantlist.org/tpl1.1/search?q=Himatanthus |title=The Plant List: A Working List of All Plant Species |accessdate=May 19, 2014}}

1. Himatanthus articulatus (Vahl) Woodson - widespread from Panama east to French Guiana and south to Bolivia
2. Himatanthus attenuatus (Benth.) Woodson - Venezuela, Colombia, N Brazil
3. Himatanthus bracteatus (A.DC.) Woodson - Venezuela, Colombia, Guianas, Brazil, Peru, Ecuador
4. Himatanthus drasticus (Mart.) Plumel - Guianas, Brazil
5. Himatanthus lancifolius (Müll.Arg.) Woodson
6. Himatanthus obovatus (Müll.Arg.) Woodson - Brazil, Bolivia, Guyana
7. Himatanthus phagedaenicus (Mart.) Woodson - S Venezuela, NW Brazil
8. Himatanthus semilunatus Markgr. - Amazon Basin
9. Himatanthus stenophyllus Plumel - Colombia, NW Brazil, Guyana, Suriname
10. Himatanthus tarapotensis (K.Schum. ex Markgr.) Plumel - Colombia, Bolivia, Brazil, Peru, Ecuador