Arizona Wild Flowers
Wildflower Pictures And Photos

Page Three, The Sonoran Desert

George And Audrey DeLange

Plants shown on this page bloom a little later than the others shown on the previous two pages, of the lower elevations, of the Sonoran Desert.

Then, about the time, that the same species of plants stop blooming in the lower elevations; the same species start blooming in the upper elevations, of the Arizona, Sonoran Desert.

Sometimes they will be blooming in both elevations during late March and early April. Remember that the variables of temperature and rainfall have a great effect upon the plants and animals in the Merriam Life Zones.

In general, these plants bloom from about the last week of March through the month of June.

Other pages will follow. See links at botttom of page.

TrichocereusCactus Flowers
Trichocereus Cactus Family
Early Bloomer In Neighbors Yard
Trichocereus huasha v. rubra 'Glorious'
Trichocereus huashav. rubra Glorious
Not Nativev. rubra 'Glorious
Plant Known As Saltcedar,
Salt Cedar, Or Tamarisk
Tamarisk Is Invasive Plant
Not Native To Arizona
saltcedar flowersTamarisk Flowers
There Is Concern That Tamarisk
Will Crowd Out Native Plants
Tamarisk Flowers
Yellow Star ThistleCentaurea solstitialis
Yellow Star Thistle,
Sunflower Family (Asteraceae)
(Centaurea solstitialis)
Native To Southern Europe
Toxic To Horses Causes
"chewing disease."
Once It Invades An Area
It Becomes Genetically Adapted
Then Population Explodes
It Has Taken Over
Parts Of Califotnia
Small Populations Must Be Eradicated!
Olive TreeOlea europaea
In Many A Back Yard
Lurks The Olive Tree
Olive Tree, Olea europaea
The Cause Of Many Allergies!
Olive FlowersOlive Flowers
These Pretty Little Flowers
Start Blooming First Of April
When Most Peoples Allergies Start!
Local Areas Now Have Laws Against
Planting These Kind In Arizona
Unripe OlivesRipening Olives
These Unripe OlivesStart To Ripen
Ripe OlivesRipe Olives
Turning Into TheseOr These
Phoenix speciesDate Palm
Phoenix Species Palm Tree
50 Year Old Trees
Photo At Manistee Ranch
Glendale, Arizona
The Phoenix Species Palm Tree
Produce Dates!
Date FlowersDate Flowers
Dates Form From Flowers
On 4' Infloresences
Male & Female Flowers
On Different Trees
Growers Plant One Male Tree
For About Fifty Female Trees
Females Produce Fruit!
Flowers Only Grow If Opposite
Sexed Tree Is Nearby!
Male Flowers Attract Bees
Female Flowers Do Not!
Male Flowers Have
Pollen Filled Sack Structures
Female Flowers Do Not!
Pear Flowers
Fifty Year Old Pear Tree
At Manistee Ranch
Still Producing!
Bartlett Pear FlowersBartlett Pear Flowers
Bartlett Pear, Hybrid Of Japanese
Sand Pear And European Pear
Bartlett Pear Probably Largest
Seller In USA
Hybrid Of Pyrus communis
And Pyrus serotina
Yellow Palo VerdeCercidium microphyllum
Foothill, Yellow or Littleleaf Palo Verde
(Cercidium microphyllum)
Palo Verde Is
Spanish For Green Wood Or Stick
Refers To Plant�s Greenish Branches
And Trunk
Foothill Yellow Palo Verde FlowersLittle Leaf Palo Verde Flowers
Foothill Grow To About 20' High
Have More Yellowish Bark
Duller Yellow/White Flowers
Foothill Species Have More Abundant
Leaves Growing On Longer Stems
Flowers Produce Pollen For Bees
Very Little Honey
Yellow Palo Verde BarkFoothill Palo Verde Bark
Foothill, Yellow or Littleleaf Palo Verde
Yellow-Green Bark
The Trunk Sometimes Has Gray
Scars On It.
Foothill Palo Verde ThornsFoothill Palo Verde Leaves
Foothill Have Short Thorns
Spaced Short Distance
From Each Other
Foothill Palo Verde Leaves
Bipinnately Compound With
Five To Seven Pairs Of
Elliptical Leaflets Seen Here!
Blue Palo VerdeCercidium floridum
Blue Palo Verde (Cercidium floridum)Blue Palo Verdes Top Out At 40'
Their Twigs & Young Branches
Are Bluish-Green
So Are The Leaves Which Are
Larger Than The Foothill Variety
Have Short Thorns
Blue Palo Verde FlowersBlue Palo Verde Blossom
Blue Palo Verde Species
Grows Primarily In Washes
It Requires More Water
Than Foothill Species
Which Grows More Commonly
In the Uplands
The Blue Species Occurs Mainly
In Fine Soils
The Foothills Species,
In Coarser Soils
Foothill Species Often Live Over 100
Years And May Reach 400 Years
In Contrast, Blue Palo Verdes
Grow Faster And Die Sooner
Rarely Reaching The Century Mark
Flowers Produce Pollen For Bees
Very Little Honey
Blue Palo Verde Bark
Blue Palo Verde Tree Bark
Often Has Deep Scars

Blue Palo Verde Tree Bark
Often Has Deep Scars
Prosopis velutina
Velvet Mesquite, Prosopis velutinaFamily: Fabaceae, the legume family
Mesquite FlowersMesquite Flowers
These Flowers Produce
Huge Amounts Of Nectar
Honey Bees Produce Tons Of
Honey From These Flowers
Mesquite Honey Is Light Colored
And Delicious!!!
Canyon RagweedAmbrosia ambrosioides
Canyon Ragweed, Ambrosia ambrosioidesCanyon Ragweed, Ambrosia ambrosioides
Canyon Ragweed BlossomCanyon Ragweed Blossoms
Canyon Ragweed Has Longer Wider
Leaves Than Triangle-Leaf Bursage,
Burrobush, or Rabbitbush
Canyon Ragweed, Not Triangle-Leaf
Bursage,Burrobush, or Rabbitbush
Cassia covesii
Senna, Cassia covesiiSenna, Cassia covesii
Senna FlowersCassia covesii Flowers Close Up
Senna, Cassia covesiiSenna, Cassia covesii

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