This section is from the book "Commercial Gardening Vol2", by John Weathers (the Editor). Also available from Amazon: Commercial Gardening, A Practical & Scientific Treatise For Market Gardeners.
Almost hardy plants with roughish leaves and long arching sprays of blossom. They are often grown in pots, and are easily raised from seeds sown in warmth in spring. The two species known, appendiculata and ramosa, both with white flowers, are natives of Chili.