A wilting rhododendron branch with the bark partially removed to reveal the brown discoloration in the wood caused by . f.; R. oblongum Griff. Rhododendron griffithianum Wight. Delightfully fragrant and with its attractive peeling bark, Rhododendron 'Saffron Queen' is a medium-sized evergreen shrub with flowers held in lax trusses of 8-9. Rhododendron excellens NVD#018 A Maddenia new to cultivation, closely related to nuttallii but with foliage that is more strongly glaucous-white beneath. Females are approximately 1/8-inch long White felt-like sacs are secreted in May that enclose the body and eggs. R. yakushimanum see R. degronianum subsp. species. R. xanthostephanum – bright yellow small flowers – Lovely red peeling bark – probably best as a pot plant – needs to be trained and pruned for shape – somewhat tender. Blooming in early to mid spring, it bears abundant, vivid yellow, trumpet-shaped flowers with darker spotting on their dorsal lobes. Leaves narrowly oblong, 6 to 9 (sometimes … Peeling bark on a Botryosphaeria-diseased apple branch. It is quite devoid of down or hairs in all its parts. Figure 4. (Photo by E. A. Bush) yakushimanum – for a description of this most popular species rhododendron. Botryosphaeria . Synonyms: R. aucklandii Hook. An evergreen shrub, or occasionally a small tree, with erect branches and peeling bark. Smooth and peeling bark. Azalea Bark Scale, Eriococcus azalea: This insect prefers azalea or rhododendron but can infest andromeda, maple, willow, poplar and other plants. The hardiest of the larger-flowered maddenias. Eggs are laid in the spring and hatch from late-June to mid-July. (Photo by E. A. Bush) Figure 2. Very large and fragrant white flowers with a strong yellow-orange blotch in late spring to early summer. Down or hairs in all its parts peeling bark E. A. Bush ) Figure 2 late-June to mid-July sacs secreted! 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