Metastelma is a genus of plant in family Apocynaceae first described in 1810. Species 1. \n* Metastelma angustifolium 2. \n* Metastelma aristatum 3. \n* Metastelma arizonicum 4. \n* Metastelma barbigerum 5. \n* Metastelma blodgetti 6. \n* Metastelma brachymischum 7. \n* Metastelma burchellii 8. \n* Metastelma calcicola 9. \n* Metastelma californicum 10. \n* Metastelma calycinum 11. \n* Metastelma chimantense 12. \n* Metastelma costatum 13. \n* Metastelma cuneatum 14. \n* Metastelma diffusum 15. \n* Metastelma dorrii 16. \n* Metastelma eliasianum 17. \n* Metastelma exasperatum 18. \n* Metastelma fiebrigii 19. \n* Metastelma filiforme 20. \n* Metastelma giuliettianum 21. \n* Metastelma guanchezii 22. \n* Metastelma harleyi 23. \n* Metastelma hirte