The mamane (Sophora chrysophylla), which furnishes the best posts, grows principally on the high slopes of Mauna Kea and Hualalai.
Among the indigenous trees are the Abies excelsa, Abies microsperma, Pinus sinensis, Pinus pinea, three species of oak, five of maple, lime, birch, juniper, mountain ash, walnut, Spanish chestnut, hazel, willow, hornbeam, hawthorn, plum, pear, peach, Rhus vernicifera, (?) Rhus semipinnata, Acanthopanax ricinifolia, Zelkawa, Thuja orientalis, Elaeagnus, Sophora Japonica, &c. Azaleas and rhododendrons are widely distributed, as well as other flowering shrubs and creepers, Ampelopsis Veitchii being universal.
New Zealand Laburnum (Sophora) - S. tetraptera is a large tree in its own country, and makes a charming wall-plant here.
Pagoda Tree (Sophora Japonica) - One of the finest of flowering trees, elegant in foliage, and in September covered with clusters of white bloom.
Sophora Secundiflora - A low dense tree or leafy shrub, with ornamental foliage composed of neat rounded leaflets with a glossy surface, and strongly fragrant violet-blue flowers borne in a dense spike.