Solanum arcanum explained

Solanum arcanum is a species of flowering plant in the nightshade family Solanaceae in section Lycopersicon, the tomatoes, endemic to Peru.^[1]

Description

Solanum arcanum is a perennial^[1]

Inflorescences are between in size, simple, with 5–20 flowers, ebracteate or nearly all the nodes bracteate; peduncle between, glabrous and minutely glandular to densely velvety pubescent with intermixed longer patent trichomes like those of the stems. The pedicels are between, articulated at the middle or in the distal half. Buds are conical, straight, approximately half way exerted from the calyx. Flowers with the calyx tube are minute, the lobes lanceolate; corolla is between, pentagonal and yellow.^[2]

Distribution

It is found in coastal and inland Andean valleys in northern Peru at elevations 100–.

Further reading

• Stadler . T. . Arunyawat . U. . Stephan . W. . Population Genetics of Speciation in Two Closely Related Wild Tomatoes (Solanum Section Lycopersicon) . Genetics . 178 . 1 . 2008 . 339–350 . 0016-6731 . 10.1534/genetics.107.081810 . 18202377 . 2206082 .
• Jablonska B, Ammiraju JS, Bhattarai KK, etal . The Mi-9 gene from Solanum arcanum conferring heat-stable resistance to root-knot nematodes is a homolog of Mi-1 . . 143 . 2 . 1044–54 . February 2007 . 17172289 . 1803715 . 10.1104/pp.106.089615 .

Notes and References

1. Peralta . Iris E. . Knapp . Sandra . Spooner . David M. . New Species of Wild Tomatoes (Solanum Section Lycopersicon: Solanaceae) from Northern Peru . Systematic Botany . 30 . 2 . 2005 . 424–434 . 0363-6445 . 25064070 . 10.1600/0363644054223657 . 86254917 . 29 December 2018 . 30 October 2020 . https://web.archive.org/web/20201030201738/https://naldc-legacy.nal.usda.gov/naldc/download.xhtml?id=2616&content=PDF . dead .
2. Web site: Solanum arcanum . PBI Project . Solanaceae Source (solanaceaesource.myspecies.info) . 10 September 2024 .