Difference between revisions of "Cardamine diphylla"
Amer. Bot. Fl., 37. 1870.
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
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|publication title=Amer. Bot. Fl., | |publication title=Amer. Bot. Fl., | ||
|publication year=1870 | |publication year=1870 | ||
| − | |special status= | + | |special status=Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V7/V7_722.xml |
|tribe=Brassicaceae tribe Cardamineae | |tribe=Brassicaceae tribe Cardamineae | ||
|genus=Cardamine | |genus=Cardamine | ||
Latest revision as of 22:35, 5 November 2020
Perennials; usually glabrous, rarely sparsely pubescent. Rhizomes (unsegmented), cylindrical, 2–10 mm diam., (somewhat uniform, fleshy, not fragile, with dentate leaf scars). Stems erect, unbranched, (1.2–)1.5–3.5(–4) dm, rarely sparsely pubescent distally. Rhizomal leaves 3-foliolate, (5.5–)8–22(–26) cm, leaflets petiolulate or subsessile; petiole (3–)4.5–16(–20) cm; lateral leaflets subsessile or petiolulate, blade often similar to terminal, base sometimes oblique; terminal leaflet (petiolule 0.5–1.2 cm), blade ovate-elliptic to broadly ovate, (2–)3.5–8(–10) cm × (5–)20–65(–80) mm, base cuneate to obtuse, margins coarsely crenate or dentate, (surfaces puberulent, trichomes to 0.1 mm). Cauline leaves 2 (or 3) [(sub)opposite], 3-foliolate, (similar to rhizomal leaves), petiolate, leaflets petiolulate or subsessile; petiole (1–)2–4.5 cm, base not auriculate; lateral leaflets similar to terminal; terminal leaflet subsessile or petiolulate (0.2–1 cm), blade broadly elliptic to ovate, (2–)4–8(–10) cm × 10–50 mm, margins coarsely dentate or crenate, (margins minutely puberulent). Racemes ebracteate. Fruiting pedicels ascending to divaricate, (10–)15–30(–36) mm. Flowers: sepals oblong, (4–)5–8 × 2–3 mm, lateral pair slightly saccate basally; petals white or pink to purple, obovate to oblanceolate, (7–)9–15(–17) × (3–)4–7 mm, (short-clawed, apex rounded); filaments: median pairs 5–8 mm, lateral pair 3.5–6 mm; anthers linear to oblong, 2.5–3 mm. Fruits linear-lanceolate, 1.5–4 cm × 1.5–2.5 mm; ovules 10–14 per ovary; style 4–8(–10) mm. Seeds (rarely produced) brown, oblong, 2–2.2 × 1.2–1.5 mm (cotyledons incumbent). 2n = 96.
Phenology: Flowering Apr–Jun.
Habitat: Wooded bottoms and ravines, cliffs, bluffs, ledges, shaded slopes, meadows, moist fields, alluvial banks, rich woods
Elevation: 50-1300 m
Distribution
N.B., N.S., Ont., Que., Ala., Ark., Conn., Ga., Ill., Ind., Ky., Maine, Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Vt., Va., W.Va., Wis.
Discussion
Selected References
None.