The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

dwarf blue fleabane, volcanic fleabane

Klamath fleabane

Habit Plants perennial, 4–10 cm; taprooted, with branching caudices. Plants perennial, 5–25 cm; taprooted, caudices branching.
Stems

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

erect to decumbent-ascending; hirsute, eglandular;

hairs usually spreading and slightly reflexed.

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.

withering by flowering.

Cauline leaves

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

oblong to narrowly oblanceolate, 10–30 × 1–4 mm, slightly reduced distally or not;

margins entire;

surfaces moderately to densely hirsute, eglandular.

Involucres

3–5 × 8–11 mm.

4–6 × 8–14 mm.

Ray florets

15–30, lavender to purple;

rays 3–8 × 0.7–1.3 mm.

20–40, lavender to purple;

rays 4–6 × 0.7–2 mm.

Disc florets

corollas 2.5–3.5 mm.

corollas 3.5–5 mm.

Phyllaries

in 3–4 unequal series;

surfaces sparsely strigose, eglandular.

in 2–3 unequal series;

surfaces glabrous to very sparsely hirsute, densely minutely glandular.

Fruits

1–2 mm, nearly glabrous to sparsely strigose;

inner pappi of numerous barbellate bristles.

2–3 mm, sparsely to densely strigose;

inner pappi of numerous barbellate bristles.

Heads

1, radiate.

1–4 in loose corymb-like arrays, radiate.

2n

=27.

Erigeron elegantulus

Erigeron klamathensis

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

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

Rocky areas, ridges, crevices. Flowering Jun–Sep. 500–1500 m. Sisk. CA. Native.

Source Flora of Oregon, volume 2, page 256
James Riser, Stephen Meyers
Flora of Oregon, volume 2, page 258
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
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, E. vagus
Synonyms Erigeron breweri, Erigeron breweri var. klamathensis
Web links