Ischnosiphon is a genus of plants native to Central America, South America, Trinidad and the Lesser Antilles. It was first described as a genus in 1859. species 1. \n* Ischnosiphon annulatus - Peru, Ecuador 2. \n* Ischnosiphon arouma - from Panama + Leeward Is to Bolivia 3. \n* Ischnosiphon bahiensis - Bahia 4. \n* Ischnosiphon cannoideus - S Colombia, S Venezuela, NW Brazil 5. \n* Ischnosiphon caudatus - Loreto 6. \n* Ischnosiphon centricifolius - Guyana, French Guiana 7. \n* Ischnosiphon cerotus - Peru, Ecuador, Colombia 8. \n* Ischnosiphon colombianus - Colombia 9. \n* Ischnosiphon crassispicus - B Amazonas 10. \n* Ischnosiphon elegans - Costa Rica, Nicaragua, Panama 11. \n* Ischnosiphon enigmaticus - Guyana, French Guiana, Venezuela 12. \n* Ischnosiphon flagellatus - N Braz