View source for Erigeron melanocephalus

{{Treatment/ID
|accepted_name=Erigeron melanocephalus
|accepted_authority=(A. Nelson) A. Nelson
|publications={{Treatment/Publication
|title=Bull. Torrey Bot. Club
|place=26: 246. 1899
|year=1899
}}
|common_names=Black-head fleabane
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}
|basionyms={{Treatment/ID/Basionym
|name=Erigeron uniflorus var. melanocephalus
|authority=A. Nelson
|rank=variety
|publication_title=Wyoming Agric. Exp. Sta. Bull.
|publication_place=28: 131. 1896
}}
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Erigeron;Erigeron melanocephalus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Astereae]]</div><div class="higher-taxon"><small>genus</small>[[Erigeron]]</div><div class="higher-taxon"><small>species</small>[[Erigeron melanocephalus]]</div></div>
|volume=Volume 20
|mention_page=page 266
|treatment_page=page 323
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Perennials,</b> 3–12(–21 at lower elevations) cm; fibrous-rooted, rhizomatous, caudices decumbent, often branched, rhizomelike, sometimes taprootlike. <b>Stems</b> erect, distally villous (hairs with black cross walls), minutely glandular near heads. <b>Leaves</b> mostly basal (persistent), some cauline; blades spatulate to oblanceolate, (10–)20–50(–150) × 4–6(–15) mm, cauline linear, bractlike, margins entire (apices rounded to retuse), faces glabrous or sparsely hirsute, eglandular. <b>Heads</b> 1. <b>Involucres</b> 6–9 × 10–14 mm. <b>Phyllaries</b> in 2(–3) series, sparsely villoso-sericeous (hairs flattened, cross walls black, imparting distinct black color to involucres), glandular. <b>Ray</b> florets 45–74; corollas white to purple, 7–11 mm (mostly 1–2 mm wide), laminae spreading, tardily coiling. <b>Disc</b> corollas 2.4–3.2 mm. <b>Cypselae</b> (oblanceoloid-oblong) 2–2.3 mm, 2-nerved, faces strigoso-hirsute; pappi: outer of setae, inner of 15–30 bristles. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering Jul–Aug.
|habitat=Rocky slopes, talus, alpine and subalpine meadows, subalpine spruce-fir
|elevation=3100–4000 m
|distribution=Colo.;N.Mex.;Utah;Wyo.
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Erigeron melanocephalus
|authority=(A. Nelson) A. Nelson
|rank=species
|parent rank=genus
|synonyms=
|basionyms=Erigeron uniflorus var. melanocephalus
|family=Asteraceae
|phenology=Flowering Jul–Aug.
|habitat=Rocky slopes, talus, alpine and subalpine meadows, subalpine spruce-fir
|elevation=3100–4000 m
|distribution=Colo.;N.Mex.;Utah;Wyo.
|reference=None
|publication title=Bull. Torrey Bot. Club
|publication year=1899
|special status=Endemic
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_726.xml
|tribe=Asteraceae tribe Astereae
|genus=Erigeron
|species=Erigeron melanocephalus
}}<!--

-->[[Category:Treatment]][[Category:Erigeron]]