Difference between revisions of "Coincya monensis subsp. recurvata"
Bot. J. Linn. Soc. 102: 370. 1990.
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|tribe=Brassicaceae tribe Brassiceae | |tribe=Brassicaceae tribe Brassiceae | ||
|genus=Coincya | |genus=Coincya | ||
Latest revision as of 22:35, 5 November 2020
Stems (0.8–)1–10 dm, usually sparsely to densely hispid basally, rarely glabrous, trichomes 0.5–3.6 mm. Basal leaves long-petiolate; blade (3–)5–20 cm × 25–100 mm, lobes 3–9(–10) each side, surfaces sparsely to densely hispid, rarely coriaceous or glaucous, trichomes patent, rarely appressed. Cauline leaves: blade similar to basal, (lobes fewer, narrower than basal). Racemes 2–8(–15)-flowered, open at one time. Flowers: sepals: median pair apex cucullate, (setulose below apex), lateral pair broader, saccate basally; petals 12.5–22(–26) × 2.5–7(–9) mm, claw nearly as long as sepal. Fruits usually straight, rarely curved, (1–)3–9 cm; proximal segment (15–)20–75(–90)-seeded, (8–)25–75 × 1.5–3 mm, apex obtuse; terminal segment (0 or)1–5-seeded, (5–)7–23(–34) × 1.5–3 mm; style relatively short. Seeds black to brown, subglobose, 0.8–1.6 × 0.8–1.4 mm. 2n = 24, 48.
Phenology: Flowering May–Aug.
Habitat: Fields, roadsides, mountain road cuts, cliff ledges
Distribution
Introduced; Mich., N.C., Pa., w Europe, nw Africa.
Discussion
Subspecies recurvata was first recorded from North America in 1880 on ballast in New Jersey (R. C. Rollins 1961, 1981, 1993; I. A. Al-Shehbaz 1985); it was first reported from North Carolina (as Brassica erucastrum) in 1958 from Yancey County and in 1968 from Jackson County (H. E. Ahles and A. E. Radford 1964; Al-Shehbaz). From Pennsylvania, subsp. recurvata was reported from Luzerne County in 1964 and from Bradford County in 1983.
Selected References
None.