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Erigeron chrysopsidis
Erigeron chrysopsidis
A. Gray
Family:
Asteraceae
Dwarf Yellow Fleabane
FNA
Resources
Guy L. Nesom in Flora of North America (vol. 20)
Perennials,
3-15 cm; taprooted, caudices branched.
Stems
erect (bracteate), evenly hispidulous to hirsute, usually minutely glandular.
Leaves
mostly basal (in tufts, persistent) (petioles prominently ciliate, hairs spreading, thick-based); blades linear to linear-oblanceolate, 40-70(-90) × 1-3 mm, cauline reduced to bracts (bases relatively thin, not sheathing), margins entire, coarsely ciliate, faces hispidulous to loosely strigose.
Heads
1.
Involucres
(3.5-)4.5-7.5 × 9-17 mm.
Phyllaries
in 2-3 series, sparsely hispid, minutely glandular.
Ray (pistillate) florets
20-60; corollas tubular, lacking laminae, or laminae yellow (sometimes fading on drying and appearing whitish or creamy), 2-10 mm, not coiling or reflexing.
Disc corollas
4-4.5 mm (throats tubular).
Cypselae
2-2.5 mm, 2-nerved, faces sparsely strigose (carpopodia yellowish);
pappi:
outer of inconspicuous setae, inner of 15-25 bristles.
Intermediates between var.
austiniae
and var.
chrysopsidis
are formed in Oregon and Idaho, where their ranges overlap.
Open Interactive Map
Jaroenchai Phewban
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