Silene antirrhina

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Revision as of 15:08, 29 March 2021 by Jjjj0917 (Talk | contribs) (Bloom Period)

  • Scientific Name: Silene antirrhina
  • Family: Caryophyllaceae
  • Common Names: sleepy catchfly, sleepy campion, sleepy silene
  • Codon: SILANT

Photo by Ben Legler, also featured on Main Page


Scientific classification
Kingdom: Plantae
Subkingdom: Viridiplantae
Phylum: Tracheophyta
Subphylum: Spermatophytina
Class: Magnoliopsida
Subclass: Caryophyllanae
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Silene L.
Species: Silene antirrhina L.
  • Silene antirrhina var. confinis Fernald
  • Silene antirrhina var. depauperata Rydb.
  • Silene antirrhina var. divaricata B.L. Rob.
  • Silene antirrhina var. laevigata Engelm. & A. Gray
  • Silene antirrhina var. subglaber Engelm. & A. Gray
  • Silene antirrhina var. vaccarifolia Rydb.



General: Erect, simple to branched annual, 2-8 dm. tall, puberulent below and glabrous above, stems often glandular in bands below the nodes.

Leaves: Basal leaves oblanceolate, 3-6 cm. long and 2-15 mm. wide; cauline leaves several pairs, oblanceolate to linear.

Flowers: Flowers few to many in a compact or open inflorescence; calyx 5-lobed, tubular, 4-10 mm. long, 10-nerved, glabrous; petals 5, white to pink, with a narrow claw 2-3 times as long as the obcordate blade; blade appendages two, 0.4 mm. long; stamens 10; styles 3.

Fruits: Capsule 3-celled. [2]

Bloom Period



Distributed widely throughout Washington; occurring across North America from low elevations to 10,000 feet. [2]


Widespread in open areas, often where disturbed.[2]

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  1. Integrated Taxonomic Information System. Retrieved from
  2. 2.0 2.1 2.2 2.3 WTU Herbarium, Burke Museum, & University of Washington. Retrieved from