Difference between revisions of "Arabis caucasica"
Enum. Pl., suppl., 45. 1814.
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|common_names=Garden rockcress | |common_names=Garden rockcress | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=I | ||
| + | |label=Introduced | ||
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|basionyms= | |basionyms= | ||
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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. | ||
| + | |introduced=true | ||
|tables= | |tables= | ||
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|publication title=Enum. Pl., suppl., | |publication title=Enum. Pl., suppl., | ||
|publication year=1814 | |publication year=1814 | ||
| − | |special status= | + | |special status=Introduced |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_340.xml |
|tribe=Brassicaceae tribe Arabideae | |tribe=Brassicaceae tribe Arabideae | ||
|genus=Arabis | |genus=Arabis | ||
Latest revision as of 22:32, 5 November 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
Introduced; B.C., N.B., Ont., Que., Yukon, Mich., N.Y., sw Asia.
Discussion
Selected References
None.