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The Alagium salviifolium sub sp. hexapetalum is a plan that has proven itself beneficial to the world of medicine as it is used as a tonic, and for treatment of hemorrhoids. This plant also possesses promising antimicrobial activity.
This is a strongly branched shrub, popular with gardeners because of the spikes of flowers that are bright gentian blue - an unusual color in the tropics. The flowers appear from green-and-white veined bracts that remain after the blooms fall, forming a column several inches long. The hairy leaves are large and dark green. A sprawling shrub which may reach a metre or more in height, Eranthemum is usually kept lower and bushier through pruning. Light shade is preferred in a garden; in a greenhouse it needs warm conditions. It is easily propagated from cuttings.
Clusters of cheery violet-purple blossoms poke out of the deep green foliage on this delightful summer-blooming plant. Very colorful plant with a compact habit, it has oval leaves with odd papery edges, brilliant blue-violet phlox-like heads. Typically the leaf surfaces retain the waxy scruft evolved to protect the emerging foliage. Similar to Eranthemum pulchellum but with a deeper purple flower.Prefers a rich soil, semi-shade and frost protection.
Koanophyllon villosum is considered a weedy species growing in Human Altered areas, the edges of Dry Broadleaf Evergreen Formations (coppice), and roadsides in Pine Woodlands. Recommended Uses:Back of garden screen
Drought-tolerant shrub with silvery, feltlike leaves; flowers in summer are pink, pale-bluish or lavender. Propagation: vegetative cuttings from soft wood (tip growth), best during spring growth. Purple sage is one tough plant, it can face droughts, freezes, high winds, salt spray, hungry deer, and blazing heat and keep right on performing beautifully. It is called Barometer bush because flowering is triggered by humidity or high soil moisture after rains.
Leucophyllum have become popular for edge and area plantings in warmer areas and in xeriscaping; they require minimal water, are easily shaped into hedges, and bloom over their entire surface. Cultivars of L. frutescens, L. candidum, L. laevigatum, L. langmaniae, L. pruinosum, L. revolutum, and L. zygophyllum have been developed.
Ocimum labiatum is a fast-growing, many branched, semi-deciduous shrub with aromatic heart-shaped leaves. It is a very popular garden plant as it is hardy to a moderate degree of frost and extreme drought, once established. The plant may be cut back to one-third of its height every couple of years to rejuvenate the woody growth.
Perovskia grows as a many stemmed clump with flower panicles at the ends of each stem. The foliage is finely cut gray-green leaves that are slightly scented.
The sage-like, aromatic leaves are oval, 2-4 inches long, wrinkled, grey-green with white undersides, and covered with fine hairs. The bright lemon-yellow woolly flowers are in whorls on erect stems from spring through summer.