Details of...
Scientific Name: Gnaphalium uliginosum
Pronunciation: naf-FAY-lee-um ew-li-gi-NO-sum
Common Name: marsh cudweed
Family Name: Asteraceae
Plant Type: Annual, Weed (horticultural)
Key ID Features: Highly branched annual to 20 cm tall, common in sidewalk cracks or disturbed moist acidic soils; leaves opposite, oblanceolate, velvety short hairs, grayish light green, mostly 1-4 cm long x 2-3.5 mm wide; heads yellow, only 2-3 mm wide, in terminal clusters of 3-10.
Course(s): not used (on campus)

Habit: Spreading
Form: Round
Texture: Fine
Mature Size:
Height:0.1 - 0.2m
Spread:0.1 - 0.3m
Growth Rate:Fast
Hardiness Rating: Zone 2: (-46 to -40 C)
Exposure: Full sun, Part sun/part shade
Soil/ Growing Medium:
Landscape Uses:
Additional Info: Google
marsh cudweed
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate
Texture/ Venation: Soft flexible
Surfaces: Pubescent
Colour in Summer: Silver / Grayish, Green
Leaf(let) Terms:
Shapes: Linear, Oblanceolate
Margins: Entire

Inflorescence Type: Head (capitulum)
Flower Morphology:Flowers perfect
Corolla Shape:Tubular
Ovary Position:Inferior
Colour (petals): Not showy, Yellow
Flower Time at Peak: Jun, Jul, Aug

Fruit Type: Cypsela (achene + calyx)
Fruit Colour: Brown
Fruiting Time: Jul, Aug, Sep, Oct
Additional Info: Not showy

Bark or Stem Colour: Green, White

(BCE) Boulevard (Circular) Eastend : along horstail path
(WLG) WoodLand Garden
Location Map

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