May

Opuntia humifusa – Low Prickly Pear

Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear
Opuntia humifusa–Creeping Pear

Botanical Family Cactaceae

Bloom Time May – August

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 6+

Aperture Type Porate

Ornamentation Reticulate

Tectum Semi-tectate

Size (um) 123

Shape Round

Pollen color

Honey Bee Resources

Pollen Source

Nectar Source

Flower photos contributed by Mount Cuba

 

Oenothera perennis – Little Evening Primrose

Oenothera perennis–Little Evening Primrose
Oenothera perennis–Little Evening Primrose
Oenothera perennis–Little Evening Primrose
Oenothera perennis–Little Evening Primrose
Oenothera perennis–Little Evening Primrose
Oenothera perennis–Little Evening Primrose
Oenothera perennis–Little Evening Primrose
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

Oenothera missouriensis–Missouri Evening Primrose
Oenothera missouriensis–Missouri Evening Primrose
Oenothera missouriensis–Missouri Evening Primrose
Oenothera missouriensis–Missouri Evening Primrose
Oenothera missouriensis–Missouri Evening Primrose
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

Magnolia fraseri – Mountain Magnolia

Magnolia fraseri–Mountain Magnolia
Magnolia fraseri–Mountain Magnolia
Magnolia fraseri–Mountain Magnolia
Magnolia fraseri–Mountain Magnolia
Magnolia fraseri–Mountain Magnolia
Magnolia fraseri–Mountain Magnolia

Botanical Family Magnoliaceae

Bloom Time May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 1

Aperture Type Sulcus

Ornamentation Perforate/Psilate

Tectum Eutectate

Size (um) 

Shape Oval

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Flower photo contributed by Mount Cuba

Magnolia virginiana – Sweetbay

Magnolia virginiana–Sweetbay
Magnolia virginiana–Sweetbay
Magnolia virginiana–Sweetbay
Magnolia virginiana–Sweetbay
Magnolia virginiana–Sweetbay
Magnolia virginiana–Sweetbay
Magnolia virginiana–Sweetbay
Magnolia virginiana–Sweetbay
Magnolia virginiana–Sweetbay

Botanical Family Magnoliaceae

Bloom Time May – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 1

Aperture Type Sulcus

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um) 

Shape Oval

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Marshallia trinervia – Broadleaf Barbaras Buttons

Marshallia trinervia–Broadleaf Barbaras Buttons
Marshallia trinervia–Broadleaf Barbaras Buttons
Marshallia trinervia–Broadleaf Barbaras Buttons
Marshallia trinervia–Broadleaf Barbaras Buttons
Marshallia trinervia–Broadleaf Barbaras Buttons
Marshallia trinervia–Broadleaf Barbaras Buttons
Marshallia trinervia–Broadleaf Barbaras Buttons

Botanical Family Asteraceae

Bloom Time April – July

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Echinate

Tectum Eutectate

Size (um) 30

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Flower photo contributed by Mount Cuba

Myosotis sylvatica–Forget-Me-Not

Myosotis sylvatica–Forget-Me-Not
Myosotis sylvatica–Forget-Me-Not
Myosotis sylvatica–Forget-Me-Not
Myosotis sylvatica–Forget-Me-Not
Myosotis sylvatica–Forget-Me-Not
Myosotis sylvatica–Forget-Me-Not
Myosotis sylvatica–Forget-Me-Not
Myosotis sylvatica–Forget-Me-Not
Myosotis sylvatica–Forget-Me-Not
Myosotis sylvatica–Forget-Me-Not

 

Botanical Family Boraginaceae

Bloom Time April – May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Perforate/Psilate

Tectum Eutectate

Size (um) 

Shape Oval

Nepeta subsessilis – Nepeta

Nepeta subsessilis–Nepeta
Nepeta subsessilis–Nepeta
Nepeta subsessilis–Nepeta
Nepeta subsessilis–Nepeta
Nepeta subsessilis–Nepeta
Nepeta subsessilis–Nepeta
Nepeta subsessilis–Nepeta
Nepeta subsessilis–Nepeta
Nepeta subsessilis–Nepeta

Botanical Family Lamiaceae

Bloom Time May – September

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 1

Aperture Type Sulcus

Ornamentation Perforate/Psilate

Tectum Eutectate

Size (um) 

Shape Oval

Pollen Color

Honey Bee Resources

Pollen Source

Nectar Source

Neviusia alabamensis–Alabama Snow-Wreath

Neviusia alabamenosis–Alabama Snow-Wreath
Neviusia alabamenosis–Alabama Snow-Wreath
Neviusia alabamenosis–Alabama Snow-Wreath
Neviusia alabamenosis–Alabama Snow-Wreath
Neviusia alabamenosis–Alabama Snow-Wreath
Neviusia alabamenosis–Alabama Snow-Wreath

 

Botanical Family Roseaceae

Bloom Time May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um) 22

Shape Triangular

Maianthemum racemosum – False Spikenard

Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard
Maianthemum racemosum–False Spikenard

Botanical Family Asparagaceae

Bloom Time April – May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 1

Aperture Type Sulcus

Ornamentation Perforate/Psilate

Tectum Eutectate

Size (um) 

Shape Oval

Pollen Color

Honey Bee Resources

Pollen Source

Nectar Source

Flower photo contributed by Mount Cuba