Silene williamsii Britton

Species

Angiosperms > Caryophyllales > Caryophyllaceae > Silene

Characteristics

Plants perennial; taproot slender; rootstock much-branched. Stems several-many, decumbent to erect, much-branched and sometimes matted, leafy, 5-30 cm, pubescent and glandular, at least distally. Leaves 2 per node, leafy above, sessile; blade narrowly lanceolate to elliptic-lanceolate, broadest proximally, narrowed to base, 1-5 cm × 3-8 mm, apex acute, short-pubescent and ± glandular on both surfaces. Inflorescences cymose, loose, leafy, compound, or flowers terminal, axillary in distal nodes. Pedicels 0.5-1(-3) cm, glandular-pubescent. Flowers unisexual, all plants having both staminate and pistillate flowers; calyx obscurely 10-veined, ovate-campanulate, 9-11 × 4-6 mm, herbaceous, papery, pubescence rather dense, glandular, ± obscuring veins, veins slender, without conspicuous pale commissures, lobes lanceolate, ca. 2 mm, apex acute to acuminate; corolla white, clawed, claw shorter than calyx, limb oblong, 2-lobed, 1.5-3 mm, lobes lanceolate, apex acute, appendages linear, 0.3-0.5 mm; stamens equaling corolla; stigmas 3, slender, equaling corolla, papillate only at tip. Capsules straw colored, ovoid-ellipsoid, slightly longer than calyx, opening by 6 teeth; carpophore ca. 1 mm. Seeds dull brown, not winged, angular-reniform, ca. 1 mm, tuberculate. 2n = 24.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.3
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 15 - 20
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Silene williamsii world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:236413-2
WFO ID wfo-0001291563
COL ID 4XDGC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Silene williamsii Silene menziesii subsp. williamsii Silene menziesii var. williamsii