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Some pests that commonly affect pineapple plants are scales, thrips, mites, mealybugs, ants, and symphylids. [84] Heart-rot is the most serious disease affecting pineapple plants. The disease is caused by Phytophthora cinnamomi and P. parasitica, fungi that often affect pineapples grown in wet conditions.
Most species of this genus are commonly referred to as pineapple flowers or pineapple lilies. They are bulbous perennials with basal rosettes of leaves and stout stems covered in star-shaped flowers with a tuft of green bracts at the top, superficially resembling a pineapple – hence the common names.
Eucomis comosa, the pineapple flower, pineapple lily or wine eucomis, is a species of flowering plant in the asparagus family Asparagaceae (subfamily Scilloideae). A deciduous bulbous perennial used as an ornamental plant , it is endemic to South Africa .
Conversely, perennials come back for many seasons.While the top portion of a perennial dies back in winter, new growth appears the following spring from the same root system.
Only one bromeliad, the pineapple (Ananas comosus), is a commercially important food crop. Bromelain, a common ingredient in meat tenderizer, is extracted from pineapple stems. Many other bromeliads are popular ornamental plants, grown as both garden and houseplants. Bromeliads are important food plants for many peoples.
Perennials typically have less glitzy flowers and a brief bloom time of a few weeks or more, which may occur early, late, or somewhere in the middle of the growing season. Some perennials, such as ...
Perennial plants can be short-lived (only a few years) or long-lived. They include a wide assortment of plant groups from non-flowering plants like ferns and liverworts to highly diverse flowering plants like orchids, grasses, and woody plants.
The ranunculus we grow for cut flowers (Ranunculus asiaticus) is a tender perennial like a dahlia. They are considered perennials because the foliage dies back every year, but the plant can stay ...