Hybrids
The species S. falcatus, S. fitzgeraldii and S. hartmannii have been hybridized, often with S. australis, producing rounder, cherry-red flowers. A few examples are : S.. Fitzhart (hartmannii x fitzgeraldii), S. Tin Yin Lara (Melody x fitzgeraldii), S. Southern Cross (hartmannii x australis) and S.. Otways Sunset (Fitzhart x australis).
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