sleepy catchfly

(Silene antirrhina)

Conservation Status

 

No image available

 
  IUCN Red List

not listed

     
  NatureServe

N5 - Secure

SNR - Unranked

     
  Minnesota

not listed

     
           
           
 
Description
 
 

Sleepy catchfly is a 8 to 32 tall, erect, annual forb that rises from a slender, branching taproot. It is easy to miss when not in bloom. This is a highly variable species. At one time it was divided into several varieties according to the presence or absence of petals, color of petals, and presence of sticky bands. These characteristics overlap significantly, and the varieties are no longer valid.

The stems are green, erect, slender, and unbranched except near the inflorescence. The lower part of the stem is covered with fine, short, soft hairs. The upper part is hairless but has dark, sticky bands between the upper nodes.

Basal leaves are inverse lance-shaped to spatula-shaped, with the attachment at the narrow end. Stem leaves are in opposite pairs. They are narrowly inversely lance-shaped, with the attachment at the narrow end, to linear, to 3½ long, and from less than to wide. The bases do not wrap partially around (clasp) the stem. They are attached to the stem without a leaf stalk. They are either rough to the touch or minutely hairy, rarely hairless and smooth. The margins are untoothed and have a fringe of hairs near the base.

The inflorescence is as loose cluster of flowers at the end of the stem.

Individual flowers are about ¼ across and on straight, upright stalks.

The sepals are fused at the base into a tube (calyx) terminating in short, usually purple lobes. The calyx is green, hairless, and smooth. It is egg-shaped, to long, and about to ¼ wide. It has 10 veins that are raised on the surface (prominent), forming ridges.

Some varieties have flowers with no petals or with petals that do not protrude from the calyx. When petals are present, they are white, sometimes suffused with red, with 2 lobes. They are horizontally spreading, with a stalk-like narrow base (claw) about equaling the calyx in length. They open during daytime. The 10 stamens do not protrude from the calyx. The 3 styles do not protrude from the calyx. The flowers are not fragrant.

The fruit is a hairless, egg-shaped, 3-chambered capsule the same size as the calyx. It has with 6 teeth at the top.

 
     
 

Height

 
 

8 to 32

 
     
 

Flower Color

 
 

White, often reddish

 
     
 

Similar Species

 
     
     
 
Habitat
 
 

Dry. Open woods, fields, roadsides, disturbed areas. Often appears after a burning. Full sun.

 
     
 
Biology
 
 

Flowering

 
 

June to September

 
     
 
Use
 
 

 

 
     
 
Distribution
 
 

Distribution Map

 

Sources

2, 3, 4, 5, 7, 28.

 
  11/2/2018      
         
 

Nativity

 
 

 

 
         
 

Occurrence

 
 

 

 
         
 
Taxonomy
 
  Kingdom Plantae (green algae and land plants)  
  Subkingdom Viridiplantae (green plants)  
  Infrakingdom Streptophyta (land plants and green algae)  
  Superdivision Embryophyta (land plants)  
  Division Tracheophyta (vascular plants)  
  Subdivision Spermatophytina (seed plants)  
  Class Magnoliopsida (flowering plants)  
  Subclass Caryophyllidae  
  Superorder Caryophyllanae  
 

Order

Caryophyllales (pinks, cactuses, and allies)  
 

Family

Caryophyllaceae (pink)  
  Subfamily Caryophylloideae  
  Tribe Sileneae  
 

Genus

Silene (catchfly)  
       
 

Subordinate Taxa

 
 

 

 
       
 

Synonyms

 
 

Silene antirrhina f. albiflora

Silene antirrhina f. roseiflora

Silene antirrhina var. confinis

Silene antirrhina var. depauperata

Silene antirrhina var. divaricata

Silene antirrhina var. laevigata

Silene antirrhina var. pteroneura

Silene antirrhina var. subglaber

Silene antirrhina var. vaccarifolia

Silene pteroneura

 
       
 

Common Names

 
 

catchfly

sleepy campion

sleepy catchfly

sleepy silene

 
       

 

 

 

 

 

Glossary

Calyx

The flower cup. May be the group of outer floral leaves (sepals) collectively, or a tube with lobes.

 

Clasping

Describing a leaf that wholly or partly surrounds the stem but does not fuse at the base.

 

Claw

A stalk-like narrowed base of some petals and sepals.

 

Node

The small swelling of the stem from which one or more leaves, branches, or buds originate.

       
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