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Erigeron elmeri
(Greene) Greene
Family:
Asteraceae
Elmer's Fleabane
[
Aster elmeri
]
FNA
Resources
Guy L. Nesom in Flora of North America (vol. 20)
Perennials,
6-20 cm; apparently taprooted (often not evident or not collected), rhizomes relatively slender, woody fibrous-rooted or rhizomelike caudex branches.
Stems
prostrate to decumbent-trailing, less commonly ascending-erect (without axillary leaf tufts), sparsely to moderately strigose, eglandular.
Leaves
cauline; blades narrowly lanceolate to oblong, 5-20 × 1-2 mm, relatively even-sized, margins entire, faces strigose, eglandular.
Heads
1 or 2-3.
Involucres
3.5-5 × 7-10 mm.
Phyllaries
in 3-5 series (often purple-tipped; margins of inner narrowly scarious), glabrous, minutely glandular.
Ray florets
12-21; corollas white, drying bluish, 5-6 mm, laminae coiling.
Disc corollas
3.5-4 mm (throats slightly indurate, not inflated).
Cypselae
1.6-2.5 mm, 2-nerved, faces sparsely strigose;
pappi:
outer of setae, inner of 18-26 bristles.
Flowering Jun-Sep. Ledges, crevices, cracks, talus; 1300-3300 m; Calif.
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