Oenothera perennis – Little Evening Primrose

Botanical Family Onagraceae

Bloom Time May – August

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Porate

Tectum Eutectate

Size (um) 116

Shape Triangle

Pollen Color Yellow

Honey Bee Resources

Pollen Source • •

Nectar Source •

Flower photos contributed by Mount Cuba

Pollen Load Identification

The pollen load of Oenothera spp. is typically large and untidy, usually trailing rather than compact.

Resources

Hodges, D. (1952). The pollen loads of the honey bee: a guide to their identification by colour and form. London: Bee Research Assoc. Ltd.

Oenothera missouriensis–Missouri Evening Primrose

 

Botanical Family Onagraceae

Bloom Time May – August

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um) 

Shape Triangle

Pollen Color