Difference between revisions of "Athysanus pusillus"
Bull. Calif. Acad. Sci. 1: 72. 1885.
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|year=1885 | |year=1885 | ||
}} | }} | ||
− | |basionyms={{Treatment/ID/ | + | |special_status={{Treatment/ID/Special_status |
+ | |code=F | ||
+ | |label=Illustrated | ||
+ | }} | ||
+ | |basionyms={{Treatment/ID/Basionym | ||
|name=Thysanocarpus pusillus | |name=Thysanocarpus pusillus | ||
|authority=Hooker | |authority=Hooker | ||
+ | |rank=species | ||
+ | |publication_title=Icon. Pl. | ||
+ | |publication_place=1: plate 42. 1837 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Athysanus pusillus var. glabrior | |name=Athysanus pusillus var. glabrior | ||
|authority=S. Watson | |authority=S. Watson | ||
− | }}{{Treatment/ID/Synonym | + | |rank=variety |
+ | }} {{Treatment/ID/Synonym | ||
|name=Thysanocarpus oblongifolius | |name=Thysanocarpus oblongifolius | ||
− | |authority= | + | |authority= |
+ | |rank=species | ||
}} | }} | ||
|hierarchy=Brassicaceae;Brassicaceae tribe Arabideae;Athysanus;Athysanus pusillus | |hierarchy=Brassicaceae;Brassicaceae tribe Arabideae;Athysanus;Athysanus pusillus | ||
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|elevation=0-1800 m | |elevation=0-1800 m | ||
|distribution=B.C.;Ariz.;Calif.;Idaho;Mont.;Nev.;Oreg.;Wash.;Mexico (Baja California). | |distribution=B.C.;Ariz.;Calif.;Idaho;Mont.;Nev.;Oreg.;Wash.;Mexico (Baja California). | ||
− | |discussion=<p>Records of Athysanus pusillus for Montana appear to be solely from Ravalli County, and for Nevada from Storey and Washoe counties.</p> | + | |discussion=<p>Records of <i>Athysanus pusillus</i> for Montana appear to be solely from Ravalli County, and for <i>Nevada</i> from Storey and Washoe counties.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Athysanus pusillus | name=Athysanus pusillus | ||
− | |||
|authority=(Hooker) Greene | |authority=(Hooker) Greene | ||
|rank=species | |rank=species | ||
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|publication title=Bull. Calif. Acad. Sci. | |publication title=Bull. Calif. Acad. Sci. | ||
|publication year=1885 | |publication year=1885 | ||
− | |special status= | + | |special status=Illustrated |
− | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_357.xml |
|tribe=Brassicaceae tribe Arabideae | |tribe=Brassicaceae tribe Arabideae | ||
|genus=Athysanus | |genus=Athysanus |
Latest revision as of 23:33, 5 November 2020
Plants sparsely to densely pubescent proximally, sometimes glabrous distally. Stems (0.2–)0.5–3(–5) dm. Basal leaves: petiole 0.1–0.5 cm; blade oblanceolate, obovate, or oblong, 0.3–1.5(–2) cm × (1–)2–6(–8) mm, margins entire or dentate, apex acute to obtuse, surfaces uniformly pubescent, trichomes cruciform and 3-rayed, adaxially sometimes mixed with coarse, simple ones. Cauline leaves 1–6; blade similar and equaling or smaller than basal. Fruiting pedicels slender, (1.5–)2–4(–6) mm. Flowers: sepals 0.5–1 × 0.3–0.7 mm; petals oblong, 1.5–3 × 0.5–1 mm; filaments 0.4–0.6 mm; anthers (0.05–)0.1–0.2(–0.25) mm. Fruits usually orbicular to obovate, rarely broadly oblong, 1-locular, not twisted; valves thin, veins sometimes prominent, usually pubescent, rarely glabrous, trichomes simple, to 0.5 mm, hooked (sometimes restricted to margins, or mixed with smaller, sessile, cruciform or 3-rayed ones); septum absent; ovules 2(–4) per ovary; style 0.05–0.2 mm. Seeds 1, (0.8–)0.9–1.1(–1.2) × (0.5–)0.7–0.9(–1) mm. 2n = 26.
Phenology: Flowering Feb–Jun.
Habitat: Open grassy slopes, grassy glades in woodlands, chaparral, sandy and gravelly flats, flood plains, rock outcrops, cliffs and ledges, on limestone, serpentine, sandstone, granitic and basaltic substrates
Elevation: 0-1800 m
Distribution
![V7 357-distribution-map.gif](/w/images/2/21/V7_357-distribution-map.gif)
B.C., Ariz., Calif., Idaho, Mont., Nev., Oreg., Wash., Mexico (Baja California).
Discussion
Records of Athysanus pusillus for Montana appear to be solely from Ravalli County, and for Nevada from Storey and Washoe counties.
Selected References
None.