Difference between revisions of "Chrysothamnus humilis"
Pittonia 3: 24. 1896.
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|common_names=Truckee rabbitbrush | |common_names=Truckee rabbitbrush | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Chrysothamnus viscidiflorus subsp. humilis | |name=Chrysothamnus viscidiflorus subsp. humilis | ||
|authority=H. M. Hall & Clements | |authority=H. M. Hall & Clements | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Asteraceae;Asteraceae tribe Astereae;Chrysothamnus;Chrysothamnus humilis | |hierarchy=Asteraceae;Asteraceae tribe Astereae;Chrysothamnus;Chrysothamnus humilis | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Chrysothamnus humilis | name=Chrysothamnus humilis | ||
| − | |||
|authority=Greene | |authority=Greene | ||
|rank=species | |rank=species | ||
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|publication title=Pittonia | |publication title=Pittonia | ||
|publication year=1896 | |publication year=1896 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V20_413.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Chrysothamnus | |genus=Chrysothamnus | ||
Latest revision as of 20:02, 5 November 2020
Shrubs, 10–30 cm; with woody, branched caudices, bark becoming dark gray, fibrous with age. Stems ascending, green, sparsely to densely puberulent, sparsely glandular. Leaves ascending to spreading; sessile; blades with faint midnerves and pair of collaterals, narrowly elliptic to oblanceolate, 10–30 × 0.7–1.2 mm, flat to sulcate, apices acute (often apiculate), faces moderately puberulent, sparsely stipitate-glandular. Heads in densely cymiform arrays, often overtopped by distal leaves. Involucres turbinate, 6–10 × 3–4 mm. Phyllaries (12–)14–18 in 3–4 series, ± in vertical ranks, mostly tan, sometimes green-tipped, ovate or oblong to elliptic, unequal, 2.5–7.5 × 1–1.8 mm, chartaceous, outer ± herbaceous wholly or distally, weakly keeled, midveins faint, apices acute to obtuse, faces sparsely puberulent. Disc florets 2–3(–4); corollas 5.5–8 mm, lobes 1–1.7 mm; style branches 2–2.7(–3.4) mm (included in or barely surpassing spreading corolla lobes), appendages 0.8–1.4 mm (lengths about equaling stigmatic portion). Cypselae reddish brown, turbinate, 4–6 mm, densely hairy; pappi tan, 5–7 mm. 2n = 18.
Phenology: Flowering summer–fall.
Habitat: Sagebrush grasslands, open slopes in deserts, tolerant of alkali
Elevation: 1400–3100 m
Distribution
Calif., Idaho, Nev., Oreg., Wash.
Discussion
Selected References
None.