Figure 1

Tarenaya hassleriana plant. a) Morphology of a flowering T. hassleriana plant. b) Flower at anthesis showing four small purple sepals, four showy pink petals, six yellow stamens and a central gynoecium. c) Bud stages 1–6 characterized by bud length, bud stage 1 (<2.5 mm), bud stage 2 (3–4 mm), bud stage 3 (4–5 mm), bud stage 4 (6–8 mm), bud stage 5 (8–10 mm), bud stage 6 (12–15 mm). Scale bar 30 cm for a and 5 mm for b and c.