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dwarf blue fleabane, volcanic fleabane

Habit Plants perennial, 4–10 cm; taprooted, with branching caudices.
Stems

erect to basally ascending, sparsely to moderately strigose, eglandular.

Basal leaves

persistent, linear to filiform, 20–50 × 0.5–1 mm, white, bases sheathing;

margins entire;

tips round to acute or acuminate;

surfaces sparsely to moderately strigose.

Cauline leaves

abruptly reduced and usually restricted to basal ? of stem, bases sheathing.

Involucres

3–5 × 8–11 mm.

Ray florets

15–30, lavender to purple;

rays 3–8 × 0.7–1.3 mm.

Disc florets

corollas 2.5–3.5 mm.

Phyllaries

in 3–4 unequal series;

surfaces sparsely strigose, eglandular.

Fruits

1–2 mm, nearly glabrous to sparsely strigose;

inner pappi of numerous barbellate bristles.

Heads

1, radiate.

2n

=27.

Erigeron elegantulus

Distribution
[WildflowerSearch map]
[BONAP county map]
Discussion

Rocky areas, sagebrush, coniferous forests. Flowering Jun–Aug. 700–2500 m. BR, BW, Casc, Owy. CA. Native.

Source Flora of Oregon, volume 2, page 256
James Riser, Stephen Meyers
Sibling taxa
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. 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
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