Tag: vernalisation

Pseudo-embryo sacs, which are structures mimicking embryo sacs and functioning similarly without typical fertilization processes, are notably found in members of the family Podostemonaceae.

Entomophilous flowers produce an odour which many be pleasant (e.g., jasmine) or foul(e.g., Aristolochia, Arum Rafflesia). Smell and nectar attract flies and other insects.

Clay and humic acid particles possess a net negative charge on their surfaces. Consequently, they strongly attract and hold positively charged cations like ammonium ions (NH4+).