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dwarf yellow fleabane

rambling fleabane

Habit Plants perennial, 3–20 cm; taprooted, usually with many woody, branching caudices. Plants perennial, 3–10 cm; taprooted, caudices branching.
Stems

erect; hirsute, eglandular to minutely glandular.

erect, nearly glabrous to remotely hirsute, minutely glandular.

Basal leaves

persistent in dense clusters, linear to narrowly oblanceolate, 10–80 × 1–3 mm;

margins entire with hispid hairs;

surfaces hirsute to hispid, sometimes nearing strigose.

persistent, spatulate with 3–5 distal lobes, 6–25 × 3–10 mm;

margins entire;

surfaces moderately to densely hirsute.

Cauline leaves

abruptly reduced to (0)1–3 linear bracts.

absent or reduced to linear bracts.

Involucres

4–7 × 10–16 mm.

5–7 × 10–13 mm.

Ray florets

20–60;

corollas with well-developed yellow rays, 4–8 × 0.5–2 mm, or tubular and short, or rays lacking.

25–40, white to lavender to purple;

rays 6–9 × 0.5–1.5 mm.

Disc florets

corollas 4–5 mm.

2–3 mm.

Phyllaries

in 2–3 series, sparsely to moderately hispid-villous, often minutely glandular.

in 2 series; purplish to green, with yellow-orange medial stripe;

surfaces remotely hirsute to basally villous.

Fruits

2–3 mm, moderately strigose;

inner pappi of numerous barbellate bristles.

2–3 mm, sparsely strigose;

inner pappi of numerous barbellate bristles.

Heads

1, radiate or disciform.

1, radiate.

2n

=18.

Erigeron chrysopsidis

Erigeron vagus

Distribution
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[BONAP county map]
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[BONAP county map]
Discussion

Western United States. 3 varieties.

Rocky areas, slopes. Flowering Jun–Aug. 1500–3100 m. BW. CA, NV; southeast to CO. Native.

Source Flora of Oregon, volume 2, page 254
James Riser, Stephen Meyers
Flora of Oregon, volume 2, page 262
James Riser, Stephen Meyers
Sibling taxa
E. acris, E. aliceae, E. annuus, E. aphanactis, E. aureus, E. bloomeri, E. cascadensis, E. cervinus, E. compositus, E. corymbosus, E. coulteri, E. decumbens, E. disparipilus, E. divergens, E. eatonii, E. elegantulus, E. filifolius, E. foliosus, E. glacialis, E. glaucus, E. howellii, E. inornatus, E. karvinskianus, E. klamathensis, E. latus, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. petrophilus, E. philadelphicus, E. poliospermus, E. pumilus, E. simplex, E. speciosus, E. stanselliae, E. strigosus, E. tener, E. vagus
E. acris, E. aliceae, E. annuus, E. aphanactis, E. aureus, E. bloomeri, E. cascadensis, E. cervinus, E. chrysopsidis, E. compositus, E. corymbosus, E. coulteri, E. decumbens, E. disparipilus, E. divergens, E. eatonii, E. elegantulus, E. filifolius, E. foliosus, E. glacialis, E. glaucus, E. howellii, E. inornatus, E. karvinskianus, E. klamathensis, E. latus, E. linearis, E. lonchophyllus, E. nivalis, E. oreganus, E. peregrinus, E. petrophilus, E. philadelphicus, E. poliospermus, E. pumilus, E. simplex, E. speciosus, E. stanselliae, E. strigosus, E. tener
Subordinate taxa
E. chrysopsidis var. austiniae, E. chrysopsidis var. brevifolius, E. chrysopsidis var. chrysopsidis
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