Bloom Clock/Keys/Central Pennsylvania/August/Yellow Flowers

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


Solidago canadensis

Inflorescence and habit

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Profile for Solidago canadensis (Canada Goldenrod)
Identifying Characteristics
Habit:Erect, colonizing herbaceous plant
Flowers:Yellow heads held on compound panicles
Foliage:Simple
Life Cycle: Perennial
Similar Plants:Solidago gigantea (shoot axis without hairs)
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Global data:


Hemerocallis

Flower of H. fulva, one of the most commonly encountered daylilies

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Profile for Hemerocallis (Daylily)
Identifying Characteristics
Habit:clumping herbaceous plant
Flowers:3 petals and 3 sepals nearly equal. Each flower lasts only one day.
Foliage:Basal, straplike
Life Cycle: Perennial
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall


Oxalis stricta

Flowers and foliage

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Profile for Oxalis stricta (Common Yellow Woodsorrel)
Identifying Characteristics
Habit:Upright
Flowers:5 petals, yellow
Foliage:Trifoliate, leaflets heart-shaped
Stem:Slender, green
Fruit:Explosive capsules
Life Cycle: Annual
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Global data:
Temperate zone season(s): Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall


Oenothera

Flower of O. macrocarpa

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Profile for Oenothera (Evening Primrose)
Identifying Characteristics
Habit:Erect
Flowers:Yellow, 4 petals
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Global data:
Temperate zone season(s): Mid Summer, Late Summer, Early Fall, Mid Fall, Late 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
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Late Summer, Mid Fall, Late Fall


Lotus corniculatus

Flowering plant

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Profile for Lotus corniculatus (Birdsfoot Trefoil)
Identifying Characteristics
Habit:Herbaceous forb
Flowers:The flowers develop into small pea-like pods or legumes.
Foliage:five leaflets, but with the central three held conspicuously above the others, hence the use of the name trefoil.
Stem:The height of the plant is variable, from 5-20 cm, occasionally more where supported by other plants; the stems can reach up to 50 cm long. It is typically sprawling at the height of the surrounding grassland.
Growing Conditions:It is most often found in sandy soils.
Life Cycle: Perennial
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Global data:
Temperate zone season(s): Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall


Impatiens capensis

Flowers and foliage

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Profile for Impatiens capensis (Jewelweed)
Identifying Characteristics
Habit:Erect
Growing Conditions:Moist soils
Fruit:Explosive capsules
Life Cycle: Annual
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Global data:
Temperate zone season(s): Early Summer, Mid Summer, Late Summer, Early Fall


Rudbeckia fulgida

Plant covered in flowers

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Profile for Rudbeckia fulgida (Blackeyed Susan, Orange Coneflower)
Identifying Characteristics
Habit:colonizing herbaceous plant
Flowers:Heads with cone-shaped black disks and orange rays
Foliage:simple, rough to the touch
Stem:Freely branching
Life Cycle: perennial
Similar Plants:Sometimes confused with Rudbeckia hirta
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Rudbeckia triloba

Flowers covering plant

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Profile for Rudbeckia triloba (Browneyed Susan)
Identifying Characteristics
Habit:upright forb, freely branching
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Taraxacum officinale

Head

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Profile for Taraxacum officinale (Common Dandelion)
Identifying Characteristics
Habit:rosette-forming herbaceous plant with a long taproot
Flowers:Head, flowers are all ray-like
Foliage:Basal only, pinnately lobed
Stem:flower stems are hollow with a milky sap
Scent:mild, "sunny"
Growing Conditions:sunny and partly-shaded, well drained soils, drought intolerant
Fruit:achene with a silky pappus
Similar Plants:Hypochoeris radicata, Sonchus
Recent Logs
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Global data:
Temperate zone season(s): Mid Winter, Late Winter, Early Spring, Mid Spring, Late Spring, Early Summer, Mid Summer, Late Summer, Early Fall, Mid Fall, Late Fall, Early Winter



last updated 09:06, 14 October 2007 (UTC) with 10 plants