(Kostenlos) Mahonia Nervosa Leaves
The species is hermaphrodite has both male and female organs and is pollinated by insects.
Mahonia nervosa leaves. Mahonia bealei also called leatherleaf mahonia or beale s barberry is originally from china but has been available to western gardeners for generations. Mahonia rust and other fungal diseases cause leaf spots. Leaves long 30 45 cm clustered at stem tips pinnately compound 11 21 leaflets each 2 5 9 5 cm long bristle toothed glossy green may show purple in winter. The pale yellow flowers form in long racemes of about eight inches and the leaves are blue green turning dusky maroon during winter. The leaves are compound with 9 19 leaflets. Cascade mahonia mahonia nervosa is one of our northwest native plants. Each leaflet is strongly toothed reminiscent of holly and somewhat shiny but less so than tall oregon grape.
Mahonia aquifolium grows to 1 2 m 3 ft 3 in 6 ft 7 in tall by 1 5 m 5 ft wide with pinnate leaves up to 30 cm 12 in long each leaf made up of spiny leaflets. This suckering shrub forms a loose groundcover with lustrous emerald leaves and panicles of canary flowers in may and waxy blue berries in autumn. A coarse textured flowering shrub it does best in a somewhat shaded location. Mahonia nervosa is an evergreen shrub growing to 0 6 m 2ft by 1 m 3ft 3in at a slow rate. Gray mold caused by the fungus botrytis forms a gray fuzzy mass on affected areas. Mahonia nervosa is the easiest to distinguish from other native mahonias. Suckering from the base the plant spreads to form a loose clump of several stems 1050.
Leaves are clustered toward the tip of the stem in a terminal rosette. Yellow orange or reddish masses of spores form on the underside of the mahonia leaves. The upper side of the leaves turns yellow or brown and may fall off prematurely. The leathery leaves resemble those of holly and the stems and twigs have a thickened corky appearance. It is in leaf all year in flower from february to april. It is durable and an excellent choice when the plant palette is limited to native plants. Evergreen shrub ground cover slow growing to 2 ft 60 cm stoloniferous.
Mahonia nervosa is an evergreen shrub usually growing 10 80cm tall occasionally reaching 200cm. Flowers small yellow 30 70 in elongated erect terminal clusters racemes in april june. Mahonia nervosa cascade long leaved or dull oregon grape this oregon grape is lower growing evergreen shrub topping out at about two feet. It s a medium sized bush that reminds you of holly but with compound leaves borne on upright stems.