In the genus Hippeastrum, in Corydalis as shown by Professor Hildebrand, in various orchids as shown by Mr. Scott and Fritz Muller, all the individuals are in this peculiar condition.
Hippeastrum generoan, Corydalisean, Hildebrand irakasleak frogatu bezala, eta zenbait orkideotan Scott eta Fritz Mulerrek frogatu bezala, banako guztiak daude egoera berezi honetan.