| Acanthaceae | |
Arrhostoxylum achimeniflorum
| Oerst. | Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn 1854(8–12): 131 | 1855 |
| Acanthaceae | |
Arrhostoxylum album
| Nees | Fl. Bras. 9: 60 | 1847 |
| Acanthaceae | |
Arrhostoxylum ciliatiflorum
| (Hook.) Nees | Prodr. 11: 216 | 1847 |
| Acanthaceae | |
Arrhostoxylum coccineum
| Nees | Fl. Bras. 9: 63 | |
| Acanthaceae | |
Arrhostoxylum costatum
| Nees | Fl. Bras. 9: 61 | |
| Acanthaceae | |
Arrhostoxylum elegans
| (Poir.) Bremek. | Verh. Kon. Akad. Wetensch,. Afd. Natuurk., Sect. 2 45(1): 12 | 1948 |
| Acanthaceae | |
Arrhostoxylum formosa
| (Bonpl.) Nees | Fl. Bras. 9: 62 | 1847 |
| Acanthaceae | |
Arrhostoxylum formosum
| Nees | Prodr. 11: 215 | 1847 |
| Acanthaceae | |
Arrhostoxylum fulgidum
| (Andrews) Nees | Fl. Bras. 9: 59 | 1851 |
| Acanthaceae | |
Arrhostoxylum glabrum
| Nees | Fl. Bras. | 1847 |
| Acanthaceae | |
Arrhostoxylum haenkeanum
| Nees | Prodr. 11: 211 | 1847 |
| Acanthaceae | |
Arrhostoxylum hartwegianum
| Nees | Prodr. 11: 209 | |
| Acanthaceae | |
Arrhostoxylum jussieuoides
| (Schltdl. & Cham.) Nees | Prodr. 11: 212 | 1847 |
| Acanthaceae | |
Arrhostoxylum kuntzei
| (Lindau) Bremek. | Proc. Kon. Ned. Akad. Wetensch., C 72(4): 424 | 1969 |
| Acanthaceae | |
Arrhostoxylum laxum
| Nees | Fl. Bras. 9: 57 | 1847 |
| Acanthaceae | |
Arrhostoxylum microphyllum
| Nees | Fl. Bras. 9: 61 | 1847 |
| Acanthaceae | |
Arrhostoxylum nitidum
| Nees | Fl. Bras. 9(7): 59 | 1847 |
| Acanthaceae | |
Arrhostoxylum pedunculosum
| Nees | Prodr. 11: 211 | 1847 |
| Acanthaceae | |
Arrhostoxylum rubrum
| (Aubl.) Nees | | |
| Acanthaceae | |
Arrhostoxylum silvaccola
| Nees | Fl. Bras. 9: 60 | 1847 |
| Acanthaceae | |
Arrhostoxylum stemonacanthoides
| Oerst. | Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn 1854(8–12): 130 | 1855 |
| Acanthaceae | |
Arrhostoxylum subsessile
| Nees | Fl. Bras. 9: 58 | 1847 |
| Acanthaceae | |
Arrhostoxylum violaceum
| (Aubl.) Nees | Prodr. 11: 216 | 1847 |