wild geranium

wild geranium

 

 

 

 

 

 

 

 

 

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Geranium maculatum


Nativity

Native

Status

 

Habitat

Moderate moisture. Woods. Full to partial sun.

Flowering

April to June

Flower Color

Rose-purple, pale purple, violet-purple or, rarely, white

Height

12 to 28


Identification

This is a 12 to 28 tall, erect, perennial forb that produces multiple flowering stems from a stout rhizome.

The stems are green and up to 24 tall. The stems, basal leaf stalks, stem leaf stalks, and flower stalks all have coarse, white, non-glandular (not sticky) hairs.

A few basal leaves rise from the underground rhizome on long, up to 12, leaf stalks. They are palmately divided into 5 to 7 irregular, deep, wedge-shaped lobes. The lobes are not toothed, notched, or divided in the basal half, but are coarsely toothed and often have secondary lobes in the upper half. The upper surface of the leaves has fine white hairs. Older leaves sometimes have white spots, which gives this plant one of its common names, Spotted Geranium.

There is only a single pair of leaves on the stem. They are opposite and similar in appearance and features to the basal leaves, but are smaller and usually have only 3 lobes. They are on short leaf stalks.

The inflorescence is a flat or round topped cluster of 1 to 6 flowers at the end of a long stalk.

The flowers are 1 to 1½ wide with 5 petals and 5 green sepals.

The petals are rose-purple, pale purple, violet-purple or, rarely, white, with darker fine lines radiating from the center of the flower and acting as nectar guides.

The fruit is a 1 to 1½ long, erect capsule in the shape of a crane’s bill, giving this plant another of its common names, Wild Crane’s-bill.

 
Similar
Species

Bicknell’s Cranesbill (Geranium bicknellii) has leafy stems and no basal leaves. The inflorescence is a 2-flowered cluster. The flowers are only to ½ wide. The flower petals are notched at the tip.

Carolina geranium (Geranium carolinianum) has leafy stems and no basal leaves. The leaves are divided into usually 5 to 9 deeply-cut lobes. The leaf margins have widely spaced, deeply-cut teeth, that may amount to secondary lobes. The inflorescence is a tight cluster of many flowers. The flowers are on short flower stalks that are less than half as long as the sepals. The flowers are dull white to light pink and only wide.

Meadow geranium (Geranium pratense), an introduced species, has glandular, sticky hairs on the flowering stalks and leaf stalks. The leaves are more finely cut. The petals are not marked with darker lines. It has been recorded only in St. Louis County.

Robert’s geranium (Geranium robertianum) has leafy stems and no basal leaves. The leaves are divided into usually 3 to 5 leaflets that are cut all the way to the base, with at least the terminal leaflet on an evident leaflet stalk. The leaflets are fern-like. The inflorescence is a 2-flowered cluster from the upper leaf axils. It has been recorded only in St. Louis County.

Siberian cranesbill (Geranium sibiricum) has leafy stems and no basal leaves. The flowers occur singly or in pairs. It has been recorded only in Houston and Goodhue Counties.

When not in flower wild geranium can be easily mistaken for Canada anemone (Anemone canadensis).


Range Range Map   Sources: 2, 3, 5, 7.
 
Sightings

Avon Hills Forest SNA
North Unit

Banning State Park

Beaver Creek Valley State Park

Black Dog Preserve

Bunker Hills Regional Park

Cannon River Wilderness Area

Carley State Park

Chamberlain Woods SNA

Charles A. Lindbergh State Park

Cherry Grove Blind Valley SNA

Chimney Rock SNA

Clear Lake SNA

Crow Wing State Park

Englund Ecotone SNA

Father Hennepin State Park

Flandrau State Park

Forestville/Mystery Cave State Park

Hardscrabble Woods / MG Tusler
Sanctuary

Hastings SNA

Hayes Lake State Park

Lake Louise State Park

Lake Maria State Park

Lebanon Hills Regional Park

Long Meadow Lake

Lost 40 SNA

Lutsen SNA

Mary Schmidt Crawford Woods SNA

Miesville Ravine Park Reserve

Mille Lacs Kathio State Park

Murphy-Hanrehan Park Reserve

Myre-Big Island State Park

Nelson Wildlife Sanctuary

Old Mill State Park

Partch Woods SNA

Pin Oak Prairie SNA

Prairie Creek Woods SNA

Quarry Park SNA

Rice Lake Savanna SNA

Rice Lake State Park

Rushford Sand Barrens SNA

St. Croix Savanna SNA

Sakatah Lake State Park

Savage Fen SNA

Sibley State Park

Spring Creek Prairie SNA

Uncas Dunes SNA

Whitewater State Park

Wild River State Park

William O’Brien State Park

Wolsfeld Woods SNA

Wood-Rill SNA

Zumbro Falls Woods SNA


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Images  
Habitat wild geranium            
               
Plant wild geranium            
               
Inflorescence wild geranium   wild geranium   wild geranium    
               
Flower wild geranium   wild geranium   wild geranium    

Taxonomy

Family:

Geraniaceae (geranium)

 

Genus:

Geranium

 
 

Subgenus:

Geranium

 
 

Section:

Geranium

 
 
Synonyms

 

 
Common
Names

alumroot

spotted crane’s-bill

spotted geranium

wild crane’s-bill

wild geranium


 

Glossary

 

palmately Divided

Similar to a hand. Having more than three lobes that radiate from a single point at the base of the leaf.

 

rhizome

A horizontal, usually underground stem. It serves as a reproductive structure, producing roots below and shoots above at the nodes.

 

sepal

An outer floral leaf, usually green but sometimes colored, at the base of a flower.

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