Curiously, the sunflower is unusual in that the florets that become seeds begin to form spirals from the rim of the head rather than the center.
Interesanti atzīmēt, ka saulespuķei piemīt kāda neparasta iezīme — atsevišķie ziediņi tās ziedu kurvītī sāk veidot spirāles nevis no centra, kā parasti, bet gan no malas.