Difference between revisions of "Ericameria arizonica"
Sida 21: 1558, fig. 1. 2005.
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|common_names=Arizona goldenbush | |common_names=Arizona goldenbush | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
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|publication year=2005 | |publication year=2005 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |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_78.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Ericameria | |genus=Ericameria | ||
Revision as of 20:51, 27 May 2020
Plants 20–50 cm. Stems erect to spreading, reddish tan, becoming darker, branched, short-stipitate-glandular, usually resinous. Leaves ascending to spreading; blades elliptic to narrowly oblanceolate (flat or somewhat concave adaxially), 10–35 × 2–5 mm, midnerves evident (often with 1–2 fainter, collateral veins), apices acute, apiculate, faces short-stipitate-glandular, usually gland-dotted; axillary fascicles absent. Heads in cymiform arrays (to 4 cm wide). Peduncles 1–10 mm (bracts 1–5, resembling phyllaries, stipitate-glandular). Involucres obconic, 5.5–7.5 × 2.5–4 mm. Phyllaries 30–40 in 4–5 series, tan, lanceolate to elliptic, 2–7 × 0.5–1.2 mm, strongly unequal, mostly chartaceous (bodies abruptly constricted at bases of appendages), midnerves faint, (margins membranous, sparsely ciliate apically), apices (usually recurved) usually acute to cuspidate, sometimes long-acuminate, abaxial faces glabrate, often gland-dotted. Ray florets 1–8; laminae elliptic, 3–4 × 0.8–1.3 mm. Disc florets 5–15; corollas 5–7 mm. Cypselae usually tan, sometimes reddish, narrowly obconic, 4–5.5 mm, glabrous or densely sericeous; pappi whitish tan, 4–5.5 mm.
Phenology: Flowering fall.
Habitat: Rock faces, cracks, and crevices and stony soils, usually on limestone
Elevation: ca. 2100 m
Discussion
Of conservation concern.
Ericameria arizonica grows in the Grand Canyon.
Selected References
None.