| HO | ancient |
|---|---|
| HO | showing characteristics of age, especially having gray or white hair |
| HO | tall European annual with downy gray-green foliage and dense heads of small white flowers followed by hairy pods |
| HO | tall European annual with downy gray-green foliage and dense heads of small white flowers followed by hairy pods |
| HO | western American shrubs having white felted foliage and yellow flowers that become red-purple |
| HO | large North American mountain marmot |
| HO | a plant of the genus Tephrosia having pinnate leaves and white or purplish flowers and flat hairy pods |
| HO | widely distributed Old World perennial naturalized in North America having finely hairy leaves and inconspicuous white fragrant flowers |
| HO | North American annual or biennial with long soft hairs on the leaves |
| HO | perennial North American plant with grayish hairy foliage yielding a red or yellow pigment |
| HO | North American shrub with whitish canescent leaves |
| HO | crested ill-smelling South American bird whose young have claws on the first and second digits of the wings |