Erica carnea – Winter Heath

Botanical Family Ericaceae

Bloom Time January – March

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number >6

Aperture Type Colpus

Ornamentation Psilate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color Light Green, Green

Pieris japonica – Japanese Pieris

Botanical Family Ericaceae

Bloom Time April

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number Inaperturate

Aperture Type N/A

Ornamentation Psilate

Tectum Eutectate

Size (um) 

Shape Round

Pollen Color

Rhododendron minus – Piedmont Rhododendron

Botanical Family: Ericaceae

Bloom Time April – May

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number 3

Aperture Type Colpus

Ornamentation Psilate

Tectum Eutectate

Size (um) 60

Shape Round

Pollen Color 

Rhododendron prunifolium – Plumleaf Azalea

Botanical Family Ericaceae

Bloom Time July – August

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number 3

Aperture Type Colporate

Ornamentation Psilate

Tectum Eutectate

Size (um) 57

Shape Round

Pollen Color 

Oxydendrum arboreum–Sourwood

Botanical Family Ericaceae

Bloom Time June – July

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number 3

Aperture Type Compound

Ornamentation Reticulate

Tectum Eutectate

Size (um) 40

Shape Round

Pollen Color

Leucothoe fontanesiana–Fetter-Bush

 

Botanical Family Ericaceae

Bloom Time May

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number 3

Aperture Type Colpus

Ornamentation Psilate/Perforate

Tectum Eutectate

Size (um) 43

Shape Irregular 

Kalmia latifolia–Mountain Laurel

 

Botanical Family Ericaceae

Bloom Time May

Pollen Characteristics

Dispersal Unit Tetrad

Aperture Number 3

Aperture Type Sulcus

Ornamentation Psilate

Tectum Eutectate

Size (um) 30

Shape Round