round-lobed hepatica

round-lobed hepatica

 

 

 

 

 

 

 

 

 

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Anemone americana


Nativity

Native

Status

 

Habitat

Dry to moist. Upland woods.

Flowering

April to May

Flower Color

White, pale pink, or pale blue

Height

2 to 6


Identification

This is an erect, perennial forb that rises from ascending to horizontal rhizomes.

In early April it can be identified by the rounded, purple, three-lobed leaves laying flat on the ground. These are leaves that have overwintered from the previous year. The name hepatica is latin for liver, and refers to the shape and color of the leaves, which resemble the human liver.

After the flowers have bloomed 3 to 15 new leaves emerge from the base on slender, densely hairy, 2 to 8 long leaf stalks. The leaves are to 2¾ long, ¾ to 4 wide, and palmately divided into 3 lobes shallowly cut to near the middle of the blade. The base of the leaf is heart-shaped, broadly rounded and indented where the leaf attaches to the leaf stalk. The lobes are broadly oval to egg-shaped and rounded at the tip. The terminal lobe length is 50% to 70% of the total leaf length. The margins are untoothed. The upper surface is green, sometimes with purple mottles. The underside of the leaf is green or sometimes purple. When young both surfaces are densely hairy with long, soft, shaggy, unmatted hairs. As they age they become hairless or almost hairless.

By the time the flowers appear the overwintered leaves are dying back. The flowers are ½ to 1 wide and are born singly on densely hairy, leafless stalks. They have from 5 to 12 petal-like sepals (usually 6), 10 to 30 white stamens, and a green cluster of carpels at the center. The sepals are white, pale pink, or pale blue, egg-shaped or inversely egg-shaped. There are 3 broadly egg-shaped or elliptic bracts with rounded tips subtending the flower.

 
Similar
Species

Sharp-lobed hepatica (Anemone acutiloba) leaves are more deeply divided into lobes with pointed tips. The terminal lobe length is 70% to 90% of the total leaf length. There are 3, sometimes 4, narrowly lance-shaped bracts with pointed tips subtending the flower.


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

Avon Hills Forest SNA
North Unit

Banning State Park

Crow Wing State Park

Falls Creek SNA

Itasca State Park

Lake Bemidji State Park

Lost 40 SNA

Maplewood State Park

Partch Woods SNA

Rushford Sand Barrens SNA

Wild River State Park


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Images  
  round-lobed hepatica            

Taxonomy

Family:

Ranunculaceae (buttercup)

 

Subfamily:

Ranunculoideae

 
 

Tribe:

Anemoneae

 
 
Synonyms

Anemone americana

Anemone hepatica

Hepatica americana

Hepatica hepatica

Hepatica nobilis var. obtusa

Hepatica triloba var. americana

Hepatica triloba var. obtusa

 
Common
Names

American liverleaf

hepatica

liverleaf

round-lobed hepatica

roundlobe hepatica

round-lobed liverleaf


 

Glossary

 

bract

Modified leaf at the base of a flower stalk or flower cluster.

 

palmately Divided

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

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