Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics
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CCDB → Angiosperms → Acanthaceae → Siphonoglossa
11 species in "Siphonoglossa" :
| Taxon name | Status | Median (n) |
| Siphonoglossa buchii (Urb.) Hilsenb. | Accepted | 11 |
| Siphonoglossa canbyi (Greenm.) Hilsenb. | Accepted | 11 |
| Siphonoglossa greggii Greenm. & C. H. Thomps. | Accepted | 14 |
| Siphonoglossa longiflora (Torr.) A. Gray | Accepted | 14 |
| Siphonoglossa mexicana Hilsenb. | Accepted | 11 |
| Siphonoglossa pilosella (Nees) Torr. | Accepted | 28 |
| Siphonoglossa durangensis Henrickson & Hilsenb. | Unresolved | 11 |
| Siphonoglossa sulcata (Nees) Lindau | Synonym of Carlowrightia sulcata (Nees) C. Ezcurra | 18 |
| Siphonoglossa incerta (Brandegee) Hilsenb. | Synonym of Justicia austrocapensis T. F. Daniel | 11 |
| Siphonoglossa ramosa Oerst. | Synonym of Justicia ramosa (Oerst.) V. A. W. Graham | 11 |
| Siphonoglossa sessilis (Jacq.) D. N. Gibson | Synonym of Justicia sessilis Jacq. | 22 |