May

Viburnum prunifolium – Blackhaw Viburnum

Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum
Viburnum prunifolium – Blackhaw Viburnum

Botanical Family Adoxaceae

Bloom Time May – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Reticulate/Microreticulate

Tectum Eutectate

Size (um) 27

Shape Round

Pollen Color Tan, Green

Honey Bee Resources

Pollen Source

Nectar Source

Myosotis spp. – Forget-Me-Not

Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not
Myosotis spp. – Forget-Me-Not

Botanical Family Boraginaceae

Bloom Time April – October

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Psilate/Granulate

Tectum Eutectate

Size (um) 11

Shape Oval

Pollen Color Yellow, Light Yellow

Honey Bee Resources

Pollen Source

Nectar Source

 

 

 

Viburnum rhytidophyllum – Leatherleaf Viburnum

Viburnum rhytidophyllum – Leatherleaf Viburnum
Viburnum rhytidophyllum – Leatherleaf Viburnum
Viburnum rhytidophyllum – Leatherleaf Viburnum
Viburnum rhytidophyllum – Leatherleaf Viburnum
Viburnum rhytidophyllum – Leatherleaf Viburnum

Botanical Family Adoxaceae

Bloom Time May – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Granulate

Tectum Eutectate

Size (um)

Shape Round

Pollen Color

Honey Bee Resources

Pollen Source

Nectar Source

Phyteuma scheuchzeri – Oxford Rampion

Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion
Phyteuma scheuchzeri – Oxford Rampion

Botanical Family: Campanulaceae

Bloom Time May – July

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 4

Aperture Type Compound

Ornamentation Granulate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Penstemon calycosus – Smooth Beardtongue

Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue
Penstemon calycosus-Smooth Beardtongue

Botanical Family: Plantaginaceae

Bloom Time May – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate

Tectum Semi-tectate

Size (um) 25

Shape Round

Pollen Color Green, Tan

Honey Bee Resources

Pollen Source

Nectar Source

Flower photos contributed by Mount Cuba

Penstemon smallii – Small’s Beardtongue

 

Penstemon smallii-Small’s Beardtongue
Penstemon smallii-Small’s Beardtongue
Penstemon smallii-Small’s Beardtongue
Penstemon smallii-Small’s Beardtongue
Penstemon smallii-Small’s Beardtongue
Penstemon smallii-Small’s Beardtongue
Penstemon smallii-Small’s Beardtongue
Penstemon smallii-Small’s Beardtongue

Botanical Family: Plantaginaceae

Bloom Time April – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate

Tectum Semi-tectate

Size (um)

Shape Round

Pollen Color Green

Honey Bee Resources

Pollen Source • • •

Nectar Source • • •

Baptisia australis – Blue False Indigo

Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo
Baptista australis – Blue False Indigo

Botanical Family: Fabaceae

Bloom Time May – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color White

Honey Bee Resources

Pollen Source

Nectar Source

Flower photos contributed by Mount Cuba

Heuchera ‘Crystal Spires’ – Crystal Spires Alumroot

Heuchera ‘Crystal Spires’ – Crystal Spires Alumroot
Heuchera ‘Crystal Spires’ – Crystal Spires Alumroot
Heuchera ‘Crystal Spires’ – Crystal Spires Alumroot
Heuchera ‘Crystal Spires’ – Crystal Spires Alumroot
Heuchera ‘Crystal Spires’ – Crystal Spires Alumroot
Heuchera ‘Crystal Spires’ – Crystal Spires Alumroot
Heuchera ‘Crystal Spires’ – Crystal Spires Alumroot

Botanical Family Saxifragaceae

Bloom Time May – July

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Compound

Ornamentation Granulate/Perforate

Tectum Semi-tectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source

Flower photo contributed by Mount Cuba

Verbascum chaixii – Nettle-Leaved Mullein

Verbascum chaixii – Nettle-Leaved Mullein
Verbascum chaixii – Nettle-Leaved Mullein
Verbascum chaixii – Nettle-Leaved Mullein
Verbascum chaixii – Nettle-Leaved Mullein
Verbascum chaixii – Nettle-Leaved Mullein
Verbascum chaixii – Nettle-Leaved Mullein
Verbascum chaixii – Nettle-Leaved Mullein

Botanical Family: Scrophulariaceae

Bloom Time May – July

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 3

Aperture Type Colpus

Ornamentation Granulate/Perforate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color Orange, Red

Honey Bee Resources

Pollen Source • •

Nectar Source •

Sarracenia purpurea – Purple Pitcher Plant

Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant
Sarracenia purpurea – Purple Pitcher Plant

Botanical Family Sarraceniaceae

Bloom Time May – June

Pollen Characteristics

Dispersal Unit Monad

Aperture Number 6

Aperture Type Compound

Ornamentation Granulate/Psilate

Tectum Semitectate

Size (um) 

Shape Round

Pollen Color 

Honey Bee Resources

Pollen Source

Nectar Source