Erigeron compactus

S. F. Blake

Proc. Biol. Soc. Wash. 35: 78. 1922.

Common names: Fern-leaf fleabane
EndemicConservation concern
Basionym: Erigeron pulvinatus Rydberg Fl. Rocky Mts., 911, 1067. 1917,
Treatment appears in FNA Volume 20. Treatment on page 295. Mentioned on page 276.
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Perennials, 2–10 cm; taprooted, caudices branched. Stems erect (scapiform, bracteate), finely strigose, eglandular. Leaves (persistent) mostly basal (leaf bases broadened or not, not thickened and whitish-indurate); blades linear, 4–20 × 0.5–1.5 mm, cauline bractlike or absent, margins entire, faces densely, finely strigose (hairs thin-based), eglandular. Heads 1. Involucres 5–8 × 7–17 mm. Phyllaries in 2–3(–4) series, finely and closely strigose (hairs thin-based), inconspicuously minutely glandular. Ray florets 15–32; corollas white to pinkish, often with an abaxial lilac midstripe, 6–11 mm (tubes and laminae bases glabrous or glabrate), laminae tardily coiling. Disc corollas 4.5–6 mm. Cypselae 2.8–3.2 mm, 2-nerved, margins velutinous-ciliate, faces glabrous; pappi: outer of setae, inner of 30–40 bristles.


Phenology: Flowering May–Jun.
Habitat: Dry, sandy or rocky soil, dunes, sagebrush, pinyon-juniper
Elevation: 1300–2900 m

Discussion

Of conservation concern.

Selected References

None.

Lower Taxa

None.
... more about "Erigeron compactus"
Guy L. Nesom +
S. F. Blake +
Erigeron pulvinatus +
Fern-leaf fleabane +
Calif. +, Nev. +  and Utah. +
1300–2900 m +
Dry, sandy or rocky soil, dunes, sagebrush, pinyon-juniper +
Flowering May–Jun. +
Proc. Biol. Soc. Wash. +
Endemic +  and Conservation concern +
Achaetogeron +  and Trimorpha +
Erigeron compactus +
Erigeron +
species +