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Silene antirrhina - sleepy catchfly

Scientific Family
Caryophyllaceae
Other common names
sleepy silene
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Annual
Height
Up to 3 feet
Riparian
No

This plant can be highly variable in appearance. Slender stems, from a slender taproot, are erect simple or branched further up the stem. The upper internodes are generally sticky and can attract insects although the trapped insects provide no nutrients.

Plants not found in mats, elongate stems usually with a sticky band near their; petals without or only a shallow cleft and white or rose tips distinguishes this from other Silene sp.

Habitat

Dry, sandy or gravely areas in roadsides, fields, waste areas, and open woods.

Plant Community
Disturbed Areas
Grasslands
Interior Chaparral
Pinyon Juniper Woodlands
Low elevation
0
High elevation
6000

Flower Characteristics

The flower is encased in an inflated calyx of fused sepals. Petals are notched at the tips.

Flower color
Light pink
Flower shape
Irregular
Tubular
No
First bloom month
March
Last bloom month
August
Flower clusters
Rounded

Leaf and Stem Characteristics

Leaves are up to 3 inches long and are gradually reduced higher up the stem. Stems and leaves are nearly hairless to minutely hairy.

Leaf type
Simple
Leaf color
Green
Leaf shape
Narrow
Leaf margin
Smooth
Leaf attachment
Opposite
Leaves clasp
No
Leaf hairs
Leaves & stems
Spines
No

Fruit and Seed Characteristics

A mature calyx is twice as long as it is wide and has 10 longitudinal ribs.

Fruit type
Capsule
Fruit color
Gray-black

Seeds are tiny, kidney shaped and minutely bumpy across their surface.