Bloom Clock/Keys/Southeastern Pennsylvania/May/White Flowers

The plants pictured below have been recorded as blooming during the month of May in Southeastern Pennsylvania.


Trifolium repens

Inflorescence

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Profile for Trifolium repens (White Clover)
Identifying Characteristics
Habit:Low, spreading herbaceous plant
Foliage:Trifoliate
Stem:Creeping, rooting at the nodes
Life Cycle: perennial
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall


Saponaria officinalis

A white-flowered variety

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Profile for Saponaria officinalis (Soapwort)
Identifying Characteristics
Habit:Upright herbaceous plant
Scent:Flowers are sweetly scented
Life Cycle: Perennial
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall


Linaria vulgaris

Inflorescences

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Profile for Linaria vulgaris (Butter and Eggs)
Identifying Characteristics
Habit:spreading herbaceous plant
Flowers:Snapdragon-like, yellow
Foliage:Simple, covered in a white, waxy bloom
Stem:Weak
Scent:None
Fruit:Dry capsules
Life Cycle: Perennial
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Late Summer, Mid Fall, Late Fall


Viburnum x burkwoodii

flowering shrub

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Profile for Viburnum x burkwoodii (Burkwood Viburnum)
Identifying Characteristics
Habit:Medium sized, dense shrub
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Ilex crenata

Flowering branch

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Profile for Ilex crenata (Japanese Holly)
Identifying Characteristics
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Erigeron annuus

Heads

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Profile for Erigeron annuus (Fleabane)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:Heads with yellow disk florets and white ray florets
Life Cycle: Annual
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Late Summer


Weigela

Flowering branches of Weigelia florida

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Profile for Weigela (Weigela)
Identifying Characteristics
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer


Vinca minor

flowers and young foliage

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Profile for Vinca minor (Periwinkle)
Identifying Characteristics
Habit:prostrate vine, rooting at the nodes
Flowers:trumpet-shaped
Foliage:simple, opposite, evergreen
Life Cycle: perennial
Recent Logs
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Global data:
Temperate zone season(s): Early Winter, Mid Winter, Early Spring, Mid Spring, Late Spring, Early Summer, Early Fall, Mid Fall, Late Fall


Prunus laurocerasus

Closeup of flowers

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Profile for Prunus laurocerasus (Cherry Laurel)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Fall, Mid Fall


Robinia pseudoacacia

Inflorescences

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Profile for Robinia pseudoacacia (Black Locust)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring


Cercis canadensis

Flowering tree

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Profile for Cercis canadensis (Eastern Redbud)
Identifying Characteristics
Habit:Small tree with a horizontal branching habit
Flowers:Small clusters of pea-like flowers, borne on the stems and even trunks
Foliage:Heart-shaped
Stem:Zig-zagging
Fruit:flattened pods
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Hesperis matronalis

Closeup of purple flowers, flowers can range from white through pink, purple, or red

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Profile for Hesperis matronalis (Dame's Rocket)
Identifying Characteristics
Habit:Upright forb
Flowers:4 showy petals
Scent:Strong, sweet scent in early morning and evening
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Late Summer, Mid Fall


Toxicodendron radicans

Illustration

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Profile for Toxicodendron radicans (Poison Ivy, Poison Oak)
Identifying Characteristics
Recent Logs
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Recent Logs (ripe fruit)
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Rubus pensilvanicus

Flowering branch

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Profile for Rubus pensilvanicus (Blackberry)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Claytonia virginica

A cluster of plants in flower

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Profile for Claytonia virginica (Spring Beauty)
Identifying Characteristics
Habit:Colonizing herbaceous ground cover
Foliage:Blade-like
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Galium odoratum

Plant in bloom

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Profile for Galium odoratum (Sweet Woodruff)
Identifying Characteristics


Recent Logs
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Global data:
Temperate zone season(s): Late Spring


Cornus florida

Closeup of flowers

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Profile for Cornus florida (Flowering Dogwood)
Identifying Characteristics
Recent Logs (flowers)
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Leucanthemum vulgare

Head

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Profile for Leucanthemum vulgare (Oxeye Daisy)
Identifying Characteristics
Habit:Clump-forming forb
Flowers:Typical daisy
Life Cycle: Perennial


Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer


Cerastium

Cerastium diffusum flowers and foliage

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Profile for Cerastium (Mouse-ear Chickweed)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Physocarpus opulifolius

Inflorescences on cv. 'Luteus'

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Profile for Physocarpus opulifolius (Ninebark)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Dicentra spectabilis

Flowering branches on a pink variety

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Profile for Dicentra spectabilis (Bleeding Heart)
Identifying Characteristics
Habit:clump-forming herbaceous plant
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer


Prunus serotina

Branch with panicles

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Profile for Prunus serotina (Black Cherry)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring


Tradescantia

Flowers

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Profile for Tradescantia (Spiderwort)
Identifying Characteristics
Habit:Erect herbaceous plant
Foliage:Straplike, both basal and on stems
Stem:Round
Life Cycle: Perennial
2009 Logs
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=====Recent Logs=====
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Late Summer


Rubus occidentalis

Fruits and foliage

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Profile for Rubus occidentalis (Black Raspberry)
Identifying Characteristics
Recent Logs
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Global data:


Alliaria petiolata

Inflorescence and upper leaves

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Profile for Alliaria petiolata (Garlic Mustard)
Identifying Characteristics
Habit:Upright herbaceous plant
Flowers:4 petals, white
Scent:Faintly resembles garlic, strong garlic taste
Life Cycle: Biennial
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer


Rosa multiflora

Inflorescence

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Profile for Rosa multiflora (Multiflora Rose)
Identifying Characteristics
Habit:Arching shrub
Flowers:White, in large clusters
Foliage:Pinnately compound with feathered stipules, alternate.
Stem:Armed with curved thorns
Growing Conditions:Sun to dense shade, all but very wet soils
Fruit:Small red hips
Life Cycle: Perennial shrub
Recent Logs (flowers)
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Viburnum prunifolium

Illustration

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Profile for Viburnum prunifolium (Blackhaw)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring


Aesculus hippocastanum

Inflorescence

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Profile for Aesculus hippocastanum (Horse Chestnut)
Identifying Characteristics
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Global data:


Iris

Flower of Iris versicolor

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Profile for Iris (Iris)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Malus

Flower of M. Asiatica

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Profile for Malus (Apple, Crabbapple)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Pyracantha

Inflorescences

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Profile for Pyracantha (Firethorn)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Viburnum plicatum

var. plicatum

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Profile for Viburnum plicatum (Viburnum)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Wisteria sinensis

Flowers

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Profile for Wisteria sinensis (Chinese Wisteria)
Identifying Characteristics
Recent Logs
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  • SBJ 12:05, 12 May 2007 (UTC)
  • SBJ 10:30, 23 May 2007 (UTC)
  • SB Johnny-LM 11:55, 30 April 2008 (UTC)


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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Malus domestica

Flowers

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Profile for Malus domestica (Apple)
Identifying Characteristics
Recent Logs (flowers)
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Recent Logs (ripe fruit)
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Rhododendron

Flowers

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Profile for Rhododendron (Rhododendrons and Azaleas)
Identifying Characteristics
Subclass plants:R. calendulaceum,

R. catawbiense,
R. maximum,
R. molle,
R. prinophyllum,
R. subsp. vireya,
R. 'Delaware Valley White',
R. 'Girard's Crimson',
R. 'Hershey's Red',
R. 'PJM',
R. 'Pleasant White',

R. 'Roseum Elegans',
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer


Aquilegia x hybrida

Flowers of a pink variety

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Profile for Aquilegia x hybrida (Garden Columbine)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer


Iris sibirica

Flowers

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Profile for Iris sibirica (Siberian Iris)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Lonicera maackii

flowers

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Profile for Lonicera maackii (Amur Honeysuckle)
Identifying Characteristics
Recent Logs
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Global data:


Stellaria media

Flower

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Profile for Stellaria media (Common Chickweed)
Identifying Characteristics
Habit:Creeping, mat-forming herb
Flowers:Small, white
Life Cycle: Annual
Recent Logs
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Global data:
Temperate zone season(s): Mid Winter, Late Winter, Early Spring, Mid Spring. Late Spring, Early Summer, Late Fall, Early Winter


Smilax herbacea

Illustration

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Profile for Smilax herbacea (Smilax)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Syringa vulgaris

A purple-flowered variety

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Profile for Syringa vulgaris (Common Lilac)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Cardamine bulbosa

Inflorescence

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Profile for Cardamine bulbosa (Bulbous Cress)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Mid Spring, Late Spring


Magnolia stellata

Closeup of a flower

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Profile for Magnolia stellata (Star Magnolia)
Identifying Characteristics
Habit:Small to midsize tree with gray bark and a rounded habit
Recent Logs
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Global data:
Temperate zone season(s): Early Spring, Mid Spring, Late Spring


Cardamine impatiens

Flowers and foliage

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Profile for Cardamine impatiens (Narrow-leaved Bittercress)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Galium aparine

Closeup of inflorescence

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Profile for Galium aparine (Goosegrass, Stickywilly)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Cornus kousa

Flowers, bracts, and foliage

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Profile for Cornus kousa (Japanese Dogwood)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Lonicera pileata

Flowers and foliage

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Profile for Lonicera pileata (Privet Honeysuckle)
Identifying Characteristics
Recent Logs
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Global data:
Temperate zone season(s): Late Spring, Early Summer


Lonicera x bella

Search for Lonicera x bella on commons)

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Profile for Lonicera x bella (Bell's Honeysuckle)
Identifying Characteristics
Recent Logs
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Global data:



last updated 09:53, 19 October 2007 (UTC) with 48 plants