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Leaf spots can vary in size, shape, and color depending on the age and type of the cause or pathogen. Plants, shrubs and trees are weakened by the spots on the leaves as they reduce available foliar space for photosynthesis. Other forms of leaf spot diseases include leaf rust, downy mildew and blights. [4]
Hibiscus diversifolius, the swamp hibiscus, is a widespread species of hibiscus. It grows to between 1 and 2 metres in height, with prickly stems and yellow flowers with a maroon basal spot during spring summer. [1]
It also copes with pollution and salt-laden coastal winds. It is often seen as an informal hedge, but may also be grown indoors as a houseplant. [7] Today numerous cultivars are available from garden centres. The most popular cultivar is 'Variegata', with yellow spots on the leaves; [8] this is a female clone, a similar male clone being named ...
The following species in the flowering plant genus Hibiscus were accepted by Plants of the World Online as of September 2024. [1] There have been multiple ancient polyploidization events in this genus.
The natural variance of leaf form has been exploited in the selection of plants for the market. Broader and lobate leaves of some Alyogyne cultivars may have been hybridized with Alyogyne huegelii. The former name of Hibiscus hakeifolia and other synonyms are still given in some sources.
While these plants are relatively low maintenance, it’s not unusual for peace lily leaves to turn yellow here and there due to stress, pests, or other issues. This guide explains the most common ...
These leaves have 5 to 7 basal veins. Petioles are a gray/green color and range from 0.5 to 1 inch long. Stipules are 1 cm long. [1] [3] Foliage is generally thick and soft to the touch. [5] Hibiscus hamabo Leaves. Flowers are 3 to 6 inches wide. They range from yellow to soft orange in color and fade out from an orange or dark red core.
The leaves are alternate, ovate to lanceolate, often with a toothed or lobed margin . The flowers are large and conspicuous. [7] They are trumpet-shaped, with five or more petals, colour from white to pink, red, blue, orange, peach, [8] yellow or purple, [9] and from 4–18 cm broad. Hibiscus flower