Show Lower Taxa
Difference between revisions of "Erigeron reductus"
Phytologia 72: 200. 1992.
Common names: California rayless fleabane
Endemic
Basionym: Erigeron inornatus var. reductus Cronquist Brittonia 6: 288. 1947
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|common_names=California rayless fleabane | |common_names=California rayless fleabane | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Erigeron inornatus var. reductus | |name=Erigeron inornatus var. reductus | ||
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|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1992 | |publication year=1992 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/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 20:51, 27 May 2020
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 |