This section is from the book "Garden Trees and Shrubs", by Walter P. Wright. Also available from Amazon: Garden Trees And Shrubs Illustrated In Colour.
Pinus. See Conifers, Chapter 17., also Chapters 5 and 14.
Nepalensis (syns. Baptisia ne-palensis and Thermopsis laburnifolia) the Evergreen Laburnum, is a beautiful wall shrub, with yellow flowers in spring; the variety aureus has yellowish bark. Tomentosus only differs from nepalensis in being hairy. Sandy loam.
This evergreen genus is not hardy, but several species, notably Buchanani, Colensoi, crassifolium, eugenioides and its form variegata, Tobira and undulatum may be grown outside in mild districts. Crassifolium, height up to six feet, chocolate flowers in spring; and Tobira, up to twelve feet, white, spring, very sweet, are two of the best. Tenuifolium makes a splendid bush at Aldenham House, near London, on clay soil. The small flowers are almost black.
Lyallii is an attractive shrub, with white drooping flowers in the axils of the leaves, but it came from New Zealand and is not hardy, and can only be grown outdoors in northern climes in sheltered places.
See Zelkova.
 
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