Deuterocohnia longipetala (Baker) Mez
Literature references:
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Comments:
- Smith & Read in Phytologia 30(5): 289-90. 1975
6-1. DEUTEROCOHNIA LONGIPETALA (Baker) Mez, Mart. F1. Bras. 3 (3): 506, pl. 95. 1894; L. B. Smith & Downs, Fl. Neotrop. Mon. 14: 233, fig. 86. 1974.
BRAZIL: BAHIA: Arid habitat between the Espirito Santo boundary and Feira de Santana or perhaps Salvador, but without exact locality, September-October 1965, R. G. & C. Wilson 65-690 (US), cultivated and flowered in Costa Rica in 1972; Read & Daniels 74-97, cultivated from Wilson 65-690 (US).
Wilson is positive of the origin of this specimen and although it is a tremendous disjunct range, the Peruvian disjunct of the species is considerable and there are other instances.
In an attempt to accurately identify this newly reported collection certain characters were given careful consideration as perhaps of specific importance. However, it was determined that sepal margins varied from serrulate in this specimen and those of Peru and Bolivia to completely entire in the Argentine specimens. Sepal length proved to be quite variable also, as did the relationship between sepal length and internodes.
Considerably more field work is required in order to clarify the distinctions between D. longipetala and D. meziana. —See Smith & Downs 1974