Burke: Silene noctiflora vs. Silene oregana

	Silene noctiflora	Silene oregana
	night-flowering catchfly	Oregon catchfly
Habit	Annual with 1-3 simple or branched stems, 2-6 dm. tall, stiff-hairy throughout and glandular-pubescent above.
Leaves	Leaves opposite, ovate-lanceolate to elliptic-oblanceolate, 5-12 cm. long and up to 4 cm. broad, the lower ones long-petiolate, the upper sub-sessile.
Flowers	Flowers few to several in an open inflorescence, the pedicels 3-30 mm. long; calyx 5u00e2u20acu201clobed, tubular, 15 mm. long at flowering, much enlarged in fruit, 10-nerved, the lobes lance-linear, 5-9 mm. long; petals 5, white to pinkish, glabrous, the claw 12-25 mm. long, auriculate above, the blade 7-10 mm. long, bi-lobed less than half the length; blade appendages 2, 0.5-1.5 mm. long and broad; stamens 10; styles 3. Flowers open at dusk.
Fruits	Capsule 3-celled.

	Silene noctiflora	Silene oregana
Flowering time	June-August	June-August
Habitat	Grain fields and waste areas.	Forest openings and meadows from middle elevation to subalpine.
Distribution	Occurring on both sides of the Cascades crest in Washington; Yukon Territory to California, east across North America to the Atlantic Coast. [WildflowerSearch map] [BONAP county map]	Occurring chiefly east of the Cascades crest in Washington; Washington to California, east to the Rocky Mountains of Montana and Wyoming, and to northeastern Nevada. [WildflowerSearch map] [BONAP county map]
Origin	Introduced from Europe	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	S. acaulis, S. antirrhina, S. bernardina, S. conoidea, S. csereii, S. dichotoma, S. dioica, S. douglasii, S. gallica, S. latifolia, S. menziesii, S. oregana, S. paradoxa, S. parryi, S. scouleri, S. seelyi, S. spaldingii, S. suksdorfii, S. vulgaris	S. acaulis, S. antirrhina, S. bernardina, S. conoidea, S. csereii, S. dichotoma, S. dioica, S. douglasii, S. gallica, S. latifolia, S. menziesii, S. noctiflora, S. paradoxa, S. parryi, S. scouleri, S. seelyi, S. spaldingii, S. suksdorfii, S. vulgaris
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Silene noctiflora

Silene oregana

night-flowering catchfly

Oregon catchfly

Habit

Annual with 1-3 simple or branched stems, 2-6 dm. tall, stiff-hairy throughout and glandular-pubescent above.

Leaves

Leaves opposite, ovate-lanceolate to elliptic-oblanceolate, 5-12 cm. long and up to 4 cm. broad, the lower ones long-petiolate, the upper sub-sessile.

Flowers

Flowers few to several in an open inflorescence, the pedicels 3-30 mm. long;

calyx 5u00e2u20acu201clobed, tubular, 15 mm. long at flowering, much enlarged in fruit, 10-nerved, the lobes lance-linear, 5-9 mm. long;

petals 5, white to pinkish, glabrous, the claw 12-25 mm. long, auriculate above, the blade 7-10 mm. long, bi-lobed less than half the length;

blade appendages 2, 0.5-1.5 mm. long and broad;

stamens 10;

styles 3. Flowers open at dusk.

Fruits

Capsule 3-celled.

Silene noctiflora

Silene oregana

Flowering time

June-August

Habitat

Grain fields and waste areas.

Forest openings and meadows from middle elevation to subalpine.

Distribution

Occurring on both sides of the Cascades crest in Washington; Yukon Territory to California, east across North America to the Atlantic Coast.

[WildflowerSearch map]

[BONAP county map]

Occurring chiefly east of the Cascades crest in Washington; Washington to California, east to the Rocky Mountains of Montana and Wyoming, and to northeastern Nevada.

[WildflowerSearch map]

[BONAP county map]

Origin

Introduced from Europe

Native

Conservation status

Not of concern

Sibling taxa