Difference between revisions of "Lorandersonia linifolia"
Sida 21: 1622. 2005.
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|common_names=Spearleaf rabbitbrush | |common_names=Spearleaf rabbitbrush | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Chrysothamnus linifolius | |name=Chrysothamnus linifolius | ||
|authority=Greene | |authority=Greene | ||
| + | |publication_title=Pittonia | ||
| + | |publication_place=3: 24. 1896 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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| − | |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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_389.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Lorandersonia | |genus=Lorandersonia | ||
Revision as of 19:42, 24 September 2019
Shrubs, 70–350 cm (trunks to 20 cm diam.; soboliferous). Stems single, greenish when young, becoming tan to gray, fastigiately branched (± angled from leaf bases), glabrous or scabridulous. Leaves ascending; blades with midnerves plus 2 fainter collateral nerves evident, broadly linear to lanceolate or oblong, 20–75 × 3–8 mm, flat, margins scabrellous, apices acute to acuminate, faces glabrous, gland-dotted (in shallow pits). Heads in corymbiform arrays 3–12 cm wide. Involucres obconic, 4.5–7 × 1.5–2.2 mm. Phyllaries 15–18 in 3–4 series, in 5 vertical ranks, mostly tan, midnerves evident on distal 1/2, ± keeled, elliptic to lanceolate, 0.7–6.5 × 0.5–1.1 mm, unequal, outer often thickened and herbaceous subapically, apices acute, acuminate, or rounded, faces glabrous or sparsely scabrous. Receptacles with 0–2 scales, 0–0.5 mm. Ray florets 0. Disc florets (4–)5(–6); corollas 4–5.5 mm, glabrous, lobes 1–1.5 mm; style branches 1.9–2.3 mm, appendages subulate, 0.7–1.1 mm. Cypselae tan to brownish, subcylindric, 2.5–3.5 mm, 10–12-ribbed, densely hairy; pappi whitish tan, 4.5–7 mm. 2n = 18.
Phenology: Flowering summer–fall.
Habitat: Margins of alkaline streams, banks of larger rivers, other moist, low, alkaline sites, less often drier slopes
Elevation: 1200–2400 m
Distribution
Ariz., Colo., Mont., N.Mex., Utah, Wyo.
Discussion
Selected References
None.