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Gnaphalium palustre - western marsh cudweed

Scientific Family
Asteraceae
Synonyms
Filaginella palustris, Gnaphalium heteroides
Other common names
lowland cudweed
marsh everlasting
marsh cudweed
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Annual
Height
To 12 inches
Riparian
Yes

Low growing, commonly much branched at base with erect or ascending stems. Flower heads in small leafy bracted clusters, not in spikes; bracts scarcely overlapping. The bracts in the flower head have a dry membranous appearance but are stiff at the tip.

Stems short or up 12 inches tall; stems and foliage are nearly white due to their coating of woolly hairs; leaves are small and lance-shaped; flower is a cluster of very small flower heads in a nest of woolly fibers and leafy bracts.

Habitat

Found along streams, grassy plains and on valley floors.

Plant Community
Grasslands
Interior Chaparral
Pinyon Juniper Woodlands
Riparian
Low elevation
1000
High elevation
5000

Flower Characteristics

Small clusters of 3 to 10 whitish to brownish-green or straw colored flower heads in terminal or axillary positions. Floral bracts are scale- like and pale brown with white tips. This species has no ray florets, only disc florets.

Flower color
Whitish to brown, greenish
Flower shape
Daisy or dandelion-like
Tubular
No
First bloom month
April
Last bloom month
October
Flower clusters
Rounded

Leaf and Stem Characteristics

Single veined leaves covered with loose woolly hairs about 1/8 inch long; oblong to lance-shaped; margins are smooth to slightly wavy.

Leaf type
Simple
Leaf color
Green
Leaf shape
Narrow
Leaf margin
Smooth
Leaf attachment
Alternate
Leaves clasp
No
Leaf hairs
Leaves
Spines
No

Fruit and Seed Characteristics

Dry 1-seeded fruit resembles an achene but is surrounded by a sheath (cypselae) formed by sepals.

Fruit type
Other