2 THE SPECIES
2. 2 The uniflora alliance - white/pink flowers
Kennedy1 notes uniflora is often confused with the following species - virginalis - but that they are readily distinguished by the apical portion of the lip of urnflora being heart-shaped and broader than the callus, whereas the apical portion of the lip of virginalis is lance-shaped and much narrower than the" callus. The two lips are diagramatically illustrated.
. While the Spanish botanists Ruiz and Pavon discovered uniflora in Peru in 1777- 88, it was not introduced into European cultivation until a orchid collector for the U.K. nursery James Veitch and Sons refound it growing with Cypripedium (now Phragmipedium) caudatum amongst the scrub and low bushes in partial shade in the 1840s.
Oakeley notes the flower has a pinched appearance, with the flower parts more open than the other white anguloas.
Some considered this a variant of uniflora , but Oakely (H.F. Oakley Anguloa, the Species the Hybrids and a Checklist of Angulocastes Orchid Digest 63-4 Oct/Dec 1999) lists it as a disticnt species. It was probably introduced fromcolombia around 1844 by Linden.
(d) Anguloa tognettiae Oakley
This is a small flowered pretty white anguloa from Venezuela, first described in 1999. Although only recently described, it is represented in herbveria under the name Anguloa uniflora.
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