Difference between revisions of "Arabis mcdonaldiana"
Bull. Torrey Bot. Club 30: 488, unnumb. fig. (p. 489). 1903.
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|place=30: 488, unnumb. fig. (p. 489). 1903 | |place=30: 488, unnumb. fig. (p. 489). 1903 | ||
|year=1903 | |year=1903 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|name=Arabis blepharophylla var. mcdonaldiana | |name=Arabis blepharophylla var. mcdonaldiana | ||
|authority=(Eastwood) Jepson | |authority=(Eastwood) Jepson | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Arabis serpentinicola | |name=Arabis serpentinicola | ||
|authority=Rollins | |authority=Rollins | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Brassicaceae;Brassicaceae tribe Arabideae;Arabis;Arabis mcdonaldiana | |hierarchy=Brassicaceae;Brassicaceae tribe Arabideae;Arabis;Arabis mcdonaldiana | ||
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|distribution=Calif.;Oreg. | |distribution=Calif.;Oreg. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Arabis mcdonaldiana is known in California from Del Norte, Mendocino, and Siskiyou counties, and in Oregon from Curry and Jackson counties. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> | + | --><p><i>Arabis mcdonaldiana</i> is known in California from Del Norte, Mendocino, and Siskiyou counties, and in Oregon from Curry and Jackson counties. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Arabis mcdonaldiana | name=Arabis mcdonaldiana | ||
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|authority=Eastwood | |authority=Eastwood | ||
|rank=species | |rank=species | ||
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|publication title=Bull. Torrey Bot. Club | |publication title=Bull. Torrey Bot. Club | ||
|publication year=1903 | |publication year=1903 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_354.xml |
|tribe=Brassicaceae tribe Arabideae | |tribe=Brassicaceae tribe Arabideae | ||
|genus=Arabis | |genus=Arabis | ||
Latest revision as of 22:32, 5 November 2020
Perennials; (caudex simple or branched, covered with persistent petiolar remains); usually glabrous, rarely sparsely pubescent, trichomes simple, (to 0.5 mm), not bulbous-based. Stems simple or few from base (caudex), erect, unbranched, (0.6–)1.5–3(–4) dm, (glabrous). Basal leaves: petiole 0.3–1.5 cm; blade oblanceolate to obovate, (0.5–)1–3(–4) cm × (2–)3–6(–10) mm, margins entire, repand, or obtusely dentate, apex obtuse, surfaces sometimes with individual trichomes terminating some or all leaf teeth. Cauline leaves (2 or) 3–5 (or 6); blade oblong, 0.3–1(–1.2) cm × 1–3 mm, base not auriculate, margins entire or repand, apex obtuse, surfaces glabrous. Racemes simple, (dense). Fruiting pedicels ascending to suberect, 3–10(–13) mm. Flowers: sepals (purple), oblong, 4–8 × 1.5–2.5 mm, lateral pair saccate basally; petals purple, spatulate, 8–16 × 2–5 mm, apex obtuse; filaments 4–8 mm; anthers oblong, 1.5–2 mm. Fruits ascending to suberect, not torulose, sometimes slightly curved, 2–4 cm × 1.5–2 mm; valves each with prominent midvein extending full length; ovules 20–34 per ovary; style 0.3–1.5 mm. Seeds narrowly winged distally or, rarely, not winged, oblong, 1.5–2.2 × 1–1.3 mm, wing 0.1–0.2 mm wide.
Phenology: Flowering May–Jun.
Habitat: Serpentine scrap and slopes, red serpentinized soil
Elevation: 200-1800 m
Discussion
Of conservation concern.
Arabis mcdonaldiana is known in California from Del Norte, Mendocino, and Siskiyou counties, and in Oregon from Curry and Jackson counties. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.