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Salvia candelabrum is a species of flowering plant in the family Lamiaceae, [2] native to southern Spain. It is a woody-based perennial growing to 100 cm (39 in), with woolly grey-green leaves that resemble those of the common sage, S. officinalis, and emit a similar scent when crushed. In summer it bears violet-blue flowers on branching stems ...
Some rust species form perennial systemic infections that may cause plant deformities such as growth retardation, witch's broom, stem canker, galls, or hypertrophy of affected plant parts. Rusts get their name because they are most commonly observed as deposits of powdery rust -coloured or brown spores on plant surfaces.
Salvia farinacea, the mealycup sage, [1] or mealy sage, [2] is a herbaceous perennial native to Nuevo León, Mexico and parts of the United States including Texas and Oklahoma. [3] Violet-blue spikes rest on a compact plant of typically narrow salvia-like leaves; however, the shiny leaves are what set this species apart from most other Salvia ...
Industry officials are worried about the growing number of backyard chickens that could become infected and spread avian flu to commercial farms. “We have wild birds that are are full of virus.
Salvia is the largest genus of plants in the family Lamiaceae, with the number of species estimated to range from 700 to nearly 3,000. Members include shrubs , herbaceous perennials , and annuals .
The gene-for-gene theory was put forward by the plant pathologist, Harold Henry Flor. [2] [3] [4] Flor explained how pathogenic genes and resistance genes worked together to control disease development in plants. He specifically worked with the rust fungus, Melampsora lini, and the flax host, Linum usitatissimum.
Salvia nemorosa, the woodland sage, Balkan clary, blue sage or wild sage, [1] is a hardy herbaceous perennial plant native to a wide area of central Europe and Western Asia.. It is an attractive plant that is easy to grow and propagate, with the result that it has been passed around by gardeners for many years.
The specific epithet "longispicata" gives the impression that the plant has "long spikes", but instead refers to the many projecting clusters of short flowering spikes that resemble small ears of corn. [2] Salvia longispicata is a large, fast growing Salvia, reaching 4 to 5 feet (1.2 to 1.5 m) high and 3 to 4 feet (0.9 to 1.2 m) wide in one ...