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Merremia tuberosa

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A plant from

Photo: John M. Randall,
Invasive Species Initiative.

The caudex by  Paul Latham,

Author: Alfred Barton Rendle, 1905.
Origin:  Bahamas, Belize, Brazil, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, Guatemala, Guyana, Haiti, Honduras, Mexico, Nicaragua, Panama, Venezuela
Soil:  Mix
Water:  Maximum
Sun:  Medium
Thickness:  30 Centimetres
Height:  20 Meters
Flower:  Yellow
Propagate:  Seeds/Cuttings
Names:  Wood Rose, Spanish Arborvine, Yellow Morning-glory, Hawaiian Woodrose, Brazilian Jalap
Synonyms:  Ipomoea tuberosa Linnaeus, 1753.
Distimake tuberosus,
A.R.Simões & Staples.
Operculina tuberosa,
Meisn. 1869.
Batatas tuberosa
, Bojer, 1837.
Convolvulus dissectus
Jacquin, 1767.
Convolvulus gossypiifolius,
Kunth, 1818.
Convolvulus kentrocaulos,
Steud. ex Choisy, 1845.
Convolvulus macrocarpus,
Spreng. 1825.
Convolvulus tuberosus
, Spreng. 1825.
Ipomoea dissecta
, Pursh, 1814.
Ipomoea nuda,
Peter 1891.
Ipomoea sinuata,
Ortega, 1798.
Merremia dissecta
, Hallier f. 1893.
Merremia kentrocaulos
, Rendle, 1905.
Operculina dissecta
, House, 1906.
Operculina kentrocaulos
, Hallier f.

This member of the Convolvulaceae family was given this name by Alfred Barton Rendle in 1905. It was originally found in the tropical America, but has now been spread to other tropical areas i.e. Hawaii, southern Florida, southern India and Ceylon.  It grows in forests in a rich soil with lots of water and some sun. The caudex can reach 30 centimetres in diameter, the climbing vines will grow up to 20 meters, the flowers are bright yellow.

The genera name from a form of the Hebrew name Miriam, which was Latinised to Mary in later years. The species name means 'tuberous' for the roots.

The dry fruits. "Wood Rose". Photo:
Jean-Jacques Segalen.