Show Lower Taxa
Difference between revisions of "Erigeron reductus"
Phytologia 72: 200. 1992.
Common names: California rayless fleabane
Basionym: Erigeron inornatus var. reductus Cronquist Brittonia 6: 288. 1947
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|name=Erigeron inornatus var. reductus | |name=Erigeron inornatus var. reductus | ||
|authority=Cronquist | |authority=Cronquist | ||
+ | |rank=variety | ||
|publication_title=Brittonia | |publication_title=Brittonia | ||
|publication_place=6: 288. 1947 | |publication_place=6: 288. 1947 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Erigeron reductus | name=Erigeron reductus | ||
− | |||
|authority=(Cronquist) G. L. Nesom | |authority=(Cronquist) G. L. Nesom | ||
|rank=species | |rank=species | ||
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|publication year=1992 | |publication year=1992 | ||
|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/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_689.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Erigeron | |genus=Erigeron |
Revision as of 19:30, 16 December 2019
Perennials, 8–20(–30) cm; taprooted, caudices branches rhizomelike, relatively long and slender. Stems (usually 1) erect or ascending, glabrous, eglandular. Leaves cauline; blades linear, 8–25(–35) × 0.5–1(–1.5) mm, barely reduced distally, margins entire, ascending-ciliate, faces glabrous or sparsely strigose, eglandular. Heads (discoid) 1(–2–4). Involucres 4–6 × 8–10 mm. Phyllaries in 3–5 series (greenish or purplish apically), glabrous, minutely glandular. Ray (pistillate) florets 0. Disc corollas 3.5–4.5 mm (throats slightly indurate, not inflated). Cypselae 2.2–2.8 mm, 2-nerved, faces glabrous; pappi: outer of setae, inner of 20–61 bristles.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
1 | Phyllaries apically purplish (variably so in Tamalpais region); pappus bristles (38–)46–61 | Erigeron reductus var. angustatus |
1 | Phyllaries apically greenish; pappus bristles 20–30 | Erigeron reductus var. reductus |