Difference between revisions of "Rorippa columbiae"
Fl. N.W. Amer., 40. 1897.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Nasturtium sinuatum var. columbiae | |name=Nasturtium sinuatum var. columbiae | ||
|authority=S. Watson | |authority=S. Watson | ||
| + | |publication_title=in A. Gray et al., Syn. Fl. N. Amer. | ||
| + | |publication_place=1(1,1): 147. 1895 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V7/V7_774.xml |
|tribe=Brassicaceae tribe Cardamineae | |tribe=Brassicaceae tribe Cardamineae | ||
|genus=Rorippa | |genus=Rorippa | ||
Revision as of 20:24, 24 September 2019
Perennials; (terrestrial or of wet habitat, not submerged, with creeping roots and adventitious stems); pilose or hirsute. Stems suberect or decumbent to prostrate, branched distally, 1–3.2(–4.1) dm, (pilose to hirsute). Basal leaves absent. Cauline leaves shortly petiolate or sessile; blade oblanceolate to oblong, (lateral lobes oblong to ovate, often reaching midrib), 2.4–5.2 cm × 5–12 mm, base auriculate or not, margins sinuate to pinnatifid or (lateral lobes) entire or dentate, (surfaces pilose). Racemes elongated. Fruiting pedicels ascending, (subappressed to rachis), straight, (3–)4–10(–12) mm, (densely pilose). Flowers: sepals (persistent), ascending, oblong, 2–3.5 × 0.8–1.5 mm, (pilose); petals yellow, oblanceolate to spatulate, 2.7–4.2 × 0.7–1.7 mm; median filaments 2–3.5 mm; anthers ovate, ca. 0.8 mm. Fruits silicles, straight, subglobose to oblong ellipsoid, (1.5–)2.5–5.5(–7) × (1–)1.7–2.8(–3.5) mm; valves densely pilose; ovules 24–40 per ovary; style 0.7–3.2 mm, (pilose). Seeds biseriate, yellowish brown, ovoid-globose, 0.7–0.9 mm, prominently colliculate.
Phenology: Flowering Jun–Aug.
Habitat: Stream banks, ditches, margins of lakes and ponds, meadows, roadsides, gravel bars, wet fields
Elevation: 100-1600 m
Distribution
Calif., Oreg., Wash.
Discussion
Selected References
None.