Plants with industrial uses
Sapium sebiferum (L.) Roxb.
Half hardy small tree, similar to a Poplar, with pointed, ovate leaves, often turning brilliant red in autumn, and slender racemes of greenish-yellow flowers. The waxy coat of the seeds is used to make candles in China. To 12m. [RHSD, Hortus].
Thespesia populnea (L.) Correa
Tender tree with heart-shaped leaves, flowers yellow with a purple centre at first, becoming all purple within a day. To 12m or more. [RHSD, Hortus].
Ulmus procera Salisb.
Fully hardy, large, broadly upright, deciduous tree with ovate, toothed leaves, to 10cm long, turning yellow in autumn, and tiny red flowers in spring, followed by winged green fruit, to 1.5cm across, rarely produced. It spreads mainly through suckers. To 40m. [RHSE, Hortus, Hilliers’].
Viola odorata L.
Fully-hardy rhizomatous, semi-evergreen perennial with sweetly scented white or blue flowers in late winter and early spring. Self-seeds readily. Excellent for a wild garden. There are numerous garden cultivars. To 20cm. [RHSE, Hortus].
