March

Cercidiphyllum japonicum – Weeping Katsura

Cercidiphyllum japonicum–Katsura
Cercidiphyllum japonicum–Katsura
Cercidiphyllum japonicum–Katsura
Cercidiphyllum japonicum–Katsura
Cercidiphyllum japonicum–Katsura
Cercidiphyllum japonicum–Katsura

Botanical Family Cercidiphyllaceae

Bloom Time March – May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Poroid

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um)

Shape Round  

Pollen Color 

Honey Bee Resource

Pollen Source •

Nectar Source N/A

Celtis occidentalis–Common Hackberry

Celtis occidentalis–Common Hackberry
Celtis occidentalis–Common Hackberry
Celtis occidentalis–Common Hackberry
Celtis occidentalis–Common Hackberry
Celtis occidentalis–Common Hackberry

Botanical Family Cannabaceae

Bloom Time March-June

 

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3+

Aperture Type Porate

Ornamentation Psilate

Tectum Eutectate

Size 

Shape Round 

Caulophyllum thalictroides – Blue Cohosh

Caulophyllum thalictroides – Blue Cohosh
Caulophyllum thalictroides – Blue Cohosh

Botanical Family Berberidaceae

Bloom Time March – May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Perforate/Granulate

Tectum Semitectate

Size (um)

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Flower photo contributed by Mount Cuba

Cardamine diphylla – Crinkleroot

Cardamine diphylla – Crinkleroot
Cardamine diphylla – Crinkleroot

Botanical Family Brassiaceae

Bloom Time March – June

Pollen Characteristics

Dispersal Unit Monad 

Aperture Number 3

Aperture Type Compound

Ornamentation Striate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Flower photo contributed by Mount Cuba

Camellia japonica – Broadleaf evergreen

Camellia japonica–Broadleaf Evergreen
Camellia japonica–Broadleaf Evergreen
Camellia japonica–Broadleaf Evergreen
Camellia japonica–Broadleaf Evergreen
Camellia japonica–Broadleaf Evergreen
Camellia japonica–Broadleaf Evergreen

Botanical Family Theaceae

Bloom Time March

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate 

Size (um)

Shape Round

Pollen Color Yellow

Honey Bee Resources

Pollen Source • •

Nectar Source •

Flower photo contributed by Mount Cuba

Brassica oleracea – Wild Cabbage

 

Brassica oleracea–Wild Cabbage
Brassica oleracea–Wild Cabbage
Brassica oleracea–Wild Cabbage
Brassica oleracea–Wild Cabbage
Brassica oleracea–Wild Cabbage

Botanical Family Brassicaceae

Bloom Time Rarely flowers

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

Betula pendula – Silver Birch

Betula pendula–Silver Birch
Betula pendula–Silver Birch
Betula pendula–Silver Birch
Betula pendula–Silver Birch
Betula pendula–Silver Birch

Botanical Family Betulaceae

Bloom Time February

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color Yellow, Green

Honey Bee Resources

Pollen Source •

Nectar Source N/A

Phlox subulata-Moss Phlox

Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox
Phlox subulata–Moss phlox

Botanical Family Polemoniaceae

Bloom Time March – May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number <6

Aperture Type Porate

Ornamentation Reticulate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color Dark Orange

Honey Bee Resource

Pollen Source

Nectar Source

 

Corylopsis pauciflora – Buttercup Winterhazel

Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel
Corylopsis pauciflora–Buttercup winterhazel

Botanical Family Hamamelidaceae

Bloom Time March – April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation granulate/perforate

Tectum Semitectate

Size (um)

Shape Round

Honey Bee Resources

Pollen Source

Nectar Source