Tillandsia retrorsa A.Silveira[as Tillandsia retrorsa A Silveira]| T. arhiza | T. streptocarpa | |
|---|---|---|
| Stem | to 60 cm long | to 10 cm long |
| Leaves | shorter than stem | longer than stem |
| Blades | 20 cm long, 7-9 mm wide | 8-50 cm long, to 15 mm wide |
| Scape | glabrous | nearly glabrous |
| Scape bracts | tubular involute, sublanceolate | lanceolate |
| Inflorescence | mostly simple | rarely simple |
| Pedicel | short & stout | ?? |
| Sepals | connate, 3 mm | free to very short connate |
Edited from : Floralia Montium 2: 25-26. (1931)