Difference between revisions of "Arabis caucasica"

Willdenow

Enum. Pl., suppl., 45. 1814.

Common names: Garden rockcress
Introduced
Treatment appears in FNA Volume 7. Treatment on page 259. Mentioned on page 258.
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|special_status={{Treatment/ID/Special_status
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|code=I
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|label=Introduced
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|habitat=Rare garden escape
 
|habitat=Rare garden escape
 
|distribution=B.C.;N.B.;Ont.;Que.;Yukon;Mich.;N.Y.;sw Asia.
 
|distribution=B.C.;N.B.;Ont.;Que.;Yukon;Mich.;N.Y.;sw Asia.
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|introduced=true
 
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|publication title=Enum. Pl., suppl.,
 
|publication title=Enum. Pl., suppl.,
 
|publication year=1814
 
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|special status=Introduced
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V7/V7_340.xml
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|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V7/V7_340.xml
 
|tribe=Brassicaceae tribe Arabideae
 
|tribe=Brassicaceae tribe Arabideae
 
|genus=Arabis
 
|genus=Arabis

Revision as of 23:56, 27 May 2020

Perennials; (stoloniferous, with vegetative rosettes, loosely cespitose to somewhat pulvinate); sparsely to moderately pubescent, trichomes stalked, cruciform, stellate, mixed with simple and forked-stalked ones. Stems several to many from base, erect, ascending to decumbent, branched (several), 1.5–3.5(–5) dm. Basal leaves: petiole 0–1 cm; blade spatulate, oblanceolate, oblong, or obovate, 2–5.5(–8) cm × 9–18(–25) mm, margins dentate to denticulate, apex obtuse or acute, surfaces usually pubescent, rarely subglabrate, trichomes stellate with some rays branched. Cauline leaves 4–8; blade oblong or ovate, 1–5 cm × 5–20 mm, base subcordate or auriculate, margins usually dentate, rarely subentire, apex acute or obtuse. Racemes simple, (lax). Fruiting pedicels ascending to divaricate, 7–17(–20) mm. Flowers: sepals oblong, 4.5–8 × 1–2 mm, lateral pair conspicuously saccate basally; petals white, spatulate to obovate, 10–19 × 4–8 mm, apex obtuse; filaments 4–7 mm; anthers oblong, 0.7–1.2 mm. Fruits ascending to spreading, torulose, (3–)4–7 cm × 1–2 mm; valves each with midvein absent or obscure, along proximal 1/2; ovules 40–60 per ovary; style 0.5–1 mm. Seeds narrowly winged throughout, ovate, 1–1.4 × 0.9–1.1 mm; wing 0.1–0.2 mm wide. 2n = 16.


Phenology: Flowering Jun–Aug.
Habitat: Rare garden escape

Distribution

V7 340-distribution-map.gif

Introduced; B.C., N.B., Ont., Que., Yukon, Mich., N.Y., sw Asia.

Discussion

Selected References

None.

Lower Taxa

None.