View source for Arabis mcdonaldiana

{{Treatment/ID
|accepted_name=Arabis mcdonaldiana
|accepted_authority=Eastwood
|publications={{Treatment/Publication
|title=Bull. Torrey Bot. Club
|place=30: 488, unnumb. fig. (p. 489). 1903
|year=1903
}}
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Arabis blepharophylla var. mcdonaldiana
|authority=(Eastwood) Jepson
|rank=variety
}} {{Treatment/ID/Synonym
|name=Arabis serpentinicola
|authority=Rollins
|rank=species
}}
|hierarchy=Brassicaceae;Brassicaceae tribe Arabideae;Arabis;Arabis mcdonaldiana
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Arabideae]]</div><div class="higher-taxon"><small>genus</small>[[Arabis]]</div><div class="higher-taxon"><small>species</small>[[Arabis mcdonaldiana]]</div></div>
|volume=Volume 7
|mention_page=page 258, 264
|treatment_page=page 265
}}<!--

--><span class="statement" id="st-undefined" data-properties="">Perennials; (caudex simple or branched, covered with persistent petiolar remains); usually glabrous, rarely sparsely pubescent, trichomes simple, (to 0.5 mm), not bulbous-based. <b>Stems</b> simple or few from base (caudex), erect, unbranched, (0.6–)1.5–3(–4) dm, (glabrous). <b>Basal</b> 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. <b>Cauline</b> 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. <b>Racemes</b> simple, (dense). <b>Fruiting</b> pedicels ascending to suberect, 3–10(–13) mm. <b>Flowers</b>: 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. <b>Fruits</b> 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. <b>Seeds</b> narrowly winged distally or, rarely, not winged, oblong, 1.5–2.2 × 1–1.3 mm, wing 0.1–0.2 mm wide.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jun.
|habitat=Serpentine scrap and slopes, red serpentinized soil
|elevation=200-1800 m
|distribution=Calif.;Oreg.
|discussion=<p>Of conservation concern.</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=
|references=
}}<!--

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-->{{#Taxon:
name=Arabis mcdonaldiana
|authority=Eastwood
|rank=species
|parent rank=genus
|synonyms=Arabis blepharophylla var. mcdonaldiana;Arabis serpentinicola
|basionyms=
|family=Brassicaceae
|phenology=Flowering May–Jun.
|habitat=Serpentine scrap and slopes, red serpentinized soil
|elevation=200-1800 m
|distribution=Calif.;Oreg.
|reference=None
|publication title=Bull. Torrey Bot. Club
|publication year=1903
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V7/V7_354.xml
|tribe=Brassicaceae tribe Arabideae
|genus=Arabis
|species=Arabis mcdonaldiana
}}<!--

-->[[Category:Treatment]][[Category:Arabis]]