TROPICAL PLANT ENCYCLOPEDIA
Ruttya fruticosa Yellow
Rabbits earsFamily: Acanthaceae
USDA Plant Hardiness Zone Map
Yellow variety. Blooms in winter-spring. See orange variety. Flower resembles rabbit's ears. Beautiful vining shrub covered with very unusual flowers resembling rabbit's head with ears. This plant is relatively rare. The flowers look like 1-2 inch hummingbirds with their wings swept back or, from the front, like rabbits ears. They are full of and drip nectar.
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Link to this plant:
https://toptropicals.com/catalog/uid/ruttya_yellow.htm