April

Hesperis matronalis – Dame’s Rocket

Hesperis matronalis – Dame’s Rocket
Hesperis matronalis – Dame’s Rocket
Hesperis matronalis – Dame’s Rocket
Hesperis matronalis – Dame’s Rocket
Hesperis matronalis – Dame’s Rocket
Hesperis matronalis – Dame’s Rocket
Hesperis matronalis – Dame’s Rocket

Botanical Family Brassicaceae

Bloom Time April – May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpate

Ornamentation Reticulate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

 

Betula papyrifera – Paper Birch

Betula papyifera – Paper Birch
Betula papyifera – Paper Birch
Betula papyifera – Paper Birch
Betula papyifera – Paper Birch
Betula papyifera – Paper Birch
Betula papyifera – Paper Birch
Betula papyifera – Paper Birch
Betula papyifera – Paper Birch
Betula papyifera – Paper BirchBetula papyifera – Paper Birch
Betula papyifera – Paper Birch

Botanical Family Betulaceae

Bloom Time March – April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Psilate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Camassia leichtlinii – Californian White Camass

Camassia leichtlinii – Californian White Camass
Camassia leichtlinii – Californian White Camass
Camassia leichtlinii – Californian White Camass
Camassia leichtlinii – Californian White Camass
Camassia leichtlinii – Californian White Camass
Camassia leichtlinii – Californian White Camass
Camassia leichtlinii – Californian White Camass

Botanical Family Asparagaceae

Bloom Time April – May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate, microreticulate

Tectum Eutectate

Size (um) 71

Shape Round

Pollen Color Yellow

Honey Bee Resources

Pollen Source •

Nectar Source •

Chionodoxa luciliae – Glory of the Snow

Chionodoxa luciliae – Glory of the Snow
Chionodoxa luciliae – Glory of the Snow
Chionodoxa luciliae – Glory of the Snow
Chionodoxa luciliae – Glory of the Snow
Chionodoxa luciliae – Glory of the Snow
Chionodoxa luciliae – Glory of the Snow
Chionodoxa luciliae – Glory of the Snow
Chionodoxa luciliae – Glory of the Snow

Botanical Family Asparagaceae

Bloom Time March – April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 1

Aperture Type Sulcus

Ornamentation Granulate, microreticulate

Tectum Eutectate

Size (um) 36

Shape Round

Pollen Color Yellow

Honey Bee Resources

Pollen Source • •

Nectar Source • •

Polygonatum biflorum – Solomon’s Seal

Polygonatum biflorum – Solomon’s Seal
Polygonatum biflorum – Solomon’s Seal
Polygonatum biflorum – Solomon’s Seal
Polygonatum biflorum – Solomon’s Seal
Polygonatum biflorum – Solomon’s Seal
Polygonatum biflorum – Solomon’s Seal
Polygonatum biflorum – Solomon’s Seal
Polygonatum biflorum – Solomon’s Seal
Polygonatum biflorum – Solomon’s Seal
Polygonatum biflorum – Solomon’s Seal

Botanical Family Asparagaceae

Bloom Time April – May

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 1

Aperture Type Sulcus

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Phlox carolina ‘Lil Cahaba’ – Thickleaf Phlox

 

Phlox carolina ‘Lil cahaba’ – Thickleaf Phlox
Phlox carolina ‘Lil cahaba’ – Thickleaf Phlox
Phlox carolina ‘Lil cahaba’ – Thickleaf Phlox
Phlox carolina ‘Lil cahaba’ – Thickleaf Phlox
Phlox carolina ‘Lil cahaba’ – Thickleaf Phlox
Phlox carolina ‘Lil cahaba’ – Thickleaf Phlox
Phlox carolina ‘Lil cahaba’ – Thickleaf Phlox
Phlox carolina ‘Lil cahaba’ – Thickleaf Phlox
Phlox carolina ‘Lil cahaba’ – Thickleaf 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 

Honey Bee Resources

Pollen Source

Nectar Source

Flower photo contributed by Mount Cuba

Trillium sulcatum – Furrowed Wakerobin

Trillium sulcatum – Furrowed Wakerobin
Trillium sulcatum – Furrowed Wakerobin
Trillium sulcatum – Furrowed Wakerobin

Botanical Family Melanthiaceae

Bloom Time April – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Pyrus calleryana – Callery Pear

Pyrus calleryana – Callery Pear
Pyrus calleryana – Callery Pear
Pyrus calleryana – Callery Pear
Pyrus calleryana – Callery Pear
Pyrus calleryana – Callery Pear
Pyrus calleryana – Callery Pear
Pyrus calleryana – Callery Pear
Pyrus calleryana – Callery Pear
Pyrus calleryana – Callery Pear

Botanical Family Ranunculaceae

Bloom Time April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color Light Green

Honey Bee Resources

Pollen Source •

Nectar Source • •

Polemonium reptans – Jacob’s Ladder

Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder
Polemonium reptans – Jacob’s Ladder

Botanical Family Polemoniaceae

Bloom Time April – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number Inaperturate

Aperture Type N/A

Ornamentation Porate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Ulmus americana – American Elm

Ulmus americana – American Elm
Ulmus americana – American Elm
Ulmus americana – American Elm
Ulmus americana – American Elm
Ulmus americana – American Elm

Bloom Time March – April

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 4

Aperture Type Colpus

Ornamentation Psilate/Granulate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color Yellow, Green

Honey Bee Resources

Pollen Source • •

Nectar Source •