| Noun | 1. | genus Tillandsia, Tillandsia - large genus of epiphytic or terrestrial sparse-rooting tropical plants usually forming dense clumps or pendant masses aerophyte, air plant, epiphyte, epiphytic plant - plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it |
| 2. | old man's beard - vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumnclematis - any of various ornamental climbing plants of the genus Clematis usually having showy flowers | |
| 3. | old man's beard - common climber of eastern North America that sprawls over other plants and bears numerous panicles of small creamy white flowersclematis - any of various ornamental climbing plants of the genus Clematis usually having showy flowers |