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Agoseris aurantiaca - orange agoseris

Scientific Family
Asteraceae
Other common names
orange-flower goat-chicory
Mill Creek agoseris
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Perennial
Height
8 to 20 inches
Riparian
Yes
Long, thin, narrow or lance-shaped (spear-like) basal leaves, often toothed or lobed; flower heads single, ray petals only, typically orange, each with a few tiny teeth at the tips. Unbranched stems are leafless. Orange flowers are common in the wild.
Leaves erect; leaf stem usually purple; blades long and narrow, widest in the middle, pointed at the tip, can be pointed at the base, smooth or toothed to irregularly lobed; flowers orange (sometimes yellow, pink, red, or purple), drying to purple.

Habitat

Meadows, scrub, forest, stream sides.
Plant Community
Riparian
Montane Conifer Forest
Low elevation
7000
High elevation
11500

Flower Characteristics

Ray flowers only, shorter toward the center; stamens upright; flower heads to 1 inch wide; solitary on erect, leafless stems. Bracts in 2 to 3 series, green, middles may be rosy purple, often with purplish-black blotches and/or mid-stripes.
Flower color
Orange, sometimes yellow, pink, red, purple, or white
Flower shape
Daisy or dandelion-like
Tubular
No
First bloom month
June
Last bloom month
August
Flower clusters
None

Leaf and Stem Characteristics

Basal leaves are narrow, lance-shaped and form a basal rosette. They are occasionally toothed or lobed, to 10 inches long and contain a milky sap.
Leaf type
Simple
Leaf color
Green, grayish-green
Leaf shape
Narrow
Leaf margin
Toothed
Leaf attachment
Basal
Leaves clasp
No
Leaf hairs
Leaves & stems
Spines
No

Fruit and Seed Characteristics

Barrel-shaped to inverted cone shape, tip tapered; ribs straight, hairless to minutely rough hairs.
Fruit type
Achene