Difference between revisions of "Erigeron elatus"
Pittonia 3: 164. 1897.
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|common_names=Swamp fleabane;vergerette élevée | |common_names=Swamp fleabane;vergerette élevée | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Erigeron alpinus var. elatus | |name=Erigeron alpinus var. elatus | ||
|authority=Hooker | |authority=Hooker | ||
| + | |publication_title=Fl. Bor.-Amer. | ||
| + | |publication_place=2: 18. 1834 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1897 | |publication year=1897 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_724.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron | ||
Revision as of 18:44, 24 September 2019
Biennials or short-lived perennials, (6–)10–40(–50) cm; fibrous-rooted, caudices simple or branched, or rhizomes. Stems erect, sparsely to moderately strigose or loosely strigoso-villous or glabrate, often minutely glandular near heads. Leaves basal (persistent) and cauline; basal blades oblanceolate to spatulate, 20–80 × 2–6 mm, cauline gradually reduced distally, margins usually entire, rarely dentate, glabrous or sparsely villoso-hirsute, distal sometimes also glandular. Heads 1–5(–8) in corymbiform arrays (on straight, spreading peduncles). Involucres 5–11 × 8–12 mm. Phyllaries in 2–3 series (inner apices attenuate to caudate), sparsely hirsute to villoso-hirsute, eglandular or sparsely minutely glandular only at tips. Ray (pistillate) florets in 2 series: outer 45–60, corollas white to pink, 5–7 mm, laminae (filiform) erect, not coiling or reflexing; inner far fewer than outer, elaminate. Disc corollas 4.2–6.2 mm. Cypselae 1.6–1.8 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 24–35 (accrescent) bristles. 2n = 36.
Phenology: Flowering (Jun–)Jul–Aug.
Habitat: Floodplain meadows, pond edges, open boggy woods, tundra
Elevation: 200–2000 m
Distribution
Alta., B.C., Man., Nfld. and Labr., N.W.T., Ont., Que., Sask., Yukon, Alaska, Wash.
Discussion
Selected References
None.