Lychnis ×loveae B. Boivin
Lychnis vespertina Sibth.
Melandrium album (Mill.) Garcke
Silene alba (Mill.) Krause
Silene pratensis (Raf.) Gren. & Godr.
Silene latifolia Poir. ssp. alba (Mill.) Greuter & Burdet
Bladder campion
Bladder campion is a European native, brought to North America, where it is now a common weed.
Plants: 1½–3½′ (45–106 cm) tall, with hairy, jointed stems.
Leaves: Oval to narrow, 4 ⨉ ¾″ (10 ⨉ 2 cm).
Flowers: White or pink, ¾–1″ (1.9–2.5 cm) in diameter, with five deeply notched petals. Flowers open in the evening and close by noon. The calyx at the base of each flower is bulbous, like a little balloon, sometimes called the bladder. It is lined with ten prominent dark green or purplish “nerves.”
Fruits: Seeds are small, rounded, and rough.
Habitats: Grasslands, roadsides, pastures, waste places.
Online References:
Lychnis alba Mill.
Lychnis ×loveae B. Boivin
Lychnis vespertina Sibth.
Melandrium album (Mill.) Garcke
Silene alba (Mill.) Krause
Silene pratensis (Raf.) Gren. & Godr.
Lychnis ×loveae B. Boivin
Lychnis vespertina Sibth.
Melandrium album (Mill.) Garcke
Silene alba (Mill.) Krause
Silene pratensis (Raf.) Gren. & Godr.
6/16/2010 · Nashua River Rail Trail, Groton Center, Groton, Massachusetts · ≈ 2½ × 4″ (7.1 × 10 cm) 
6/13/2017 · Old Long Loop, Beaver Brook Conservation Area, Hollis, New Hampshire · ≈ 3½ × 2½″ (9.4 × 7.2 cm) 
6/14/2010 · Nashua River Rail Trail, Groton, Massachusetts · ≈ 2½ × 3″ (7.2 × 8.4 cm) 
ID is uncertain 
6/14/2010 · Nashua River Rail Trail, Groton, Massachusetts · ≈ 4 × 3″ (10 × 8.1 cm) ID is uncertain 
8/14/2009 · Nashua River Rail Trail, East Pepperell, Massachusetts · ≈ 2½ × 3½″ (6.7 × 9 cm) ID is uncertain 
5/23/2016 · Wildflower Trail, Beaver Brook Conservation Area, Hollis, New Hampshire 
6/7/2012 · Nashua River Rail Trail, Groton, Groton, Massachusetts · ≈ 5 × 3½″ (13 × 9.2 cm) 
8/14/2009 · Nashua River Rail Trail, East Pepperell, Massachusetts · ≈ 5 × 3½″ (12 × 9 cm) ID is uncertain 
8/14/2009 · Nashua River Rail Trail, East Pepperell, Massachusetts · ≈ 3 × 3½″ (8.3 × 9.8 cm) ID is uncertain 
6/13/2017 · Old Long Loop, Beaver Brook Conservation Area, Hollis, New Hampshire · ≈ 6 × 4½″ (16 × 12 cm) 
6/1/2013 · Beaver Brook Conservation Area, Hollis, New Hampshire · ≈ 2½ × 2½″ (6.3 × 7.2 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Caryophyllidae | Cacti, many other succulents, carnivorous plants, and leadworts |
| Order | Caryophyllales | Includes cacti, carnations, amaranths, ice plants, and many carnivorous plants |
| Family | Caryophyllaceae | Pink or carnation family |
| Genus | Silene | Probably from Greek sialon, “saliva,” from a gummy exudation on the stems; or named for Silenus, intoxicated foster father of Bacchus (god of wine) who was covered with foam similar to the glandular secretions of many species of Silene |
| Species | latifolia | “Wide to broad leaves” |
| ssp. | alba | “White” |
Silene latifolia ssp. alba description by Thomas H. Kent, not updated.
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