Galeottiaunverified

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Name

Galeottia burkei (Rchb.f.) Dressler & Christenson, Lindleyana 3: 221 (1988 publ. 1989).

This name is accepted.

20151783 prjc

Pupulin A synopsis of the genus (as Mendoncella) was offered by

Garay (1973), who distinguished Galeottia from other

pseudobulbous Zygopetalinae mainly by the petals decurrent

on the column foot and the lateral sepals adnate to the column

foot near the apex. He considered Galeottia close to

Batemannia, from which it can be distinguished by the

presence of well-developed auricles on the column, a

corrugated or flabellate crest at the base of the hypochile,

and the lateral sepals basally strongly enrolled-gibbose.

Species of Galeottia have been described in the genera

Batemannia Lindl., Mendoncella, Zygopetalum Hook., and

Zygosepalum (Rchb.f.) Rchb.f., and many of them were

moved back and forth among these genera because of

difficulty in assigning sharp generic circumscriptions within

the Zygopetalum complex on the sole basis of morphological

features. As presently circumscribed, the prominent ribbed

crest of the lip, the two-winged column, and the distinctly

saccate base of the lateral sepals characterize the genus among

the taxa of the Zygopetalum grade. In the combined analysis

of nuclear and plastid DNA data sets carried out by Whitten

and collaborators (2005), a strongly supported clade includes

Galeottia, together with Batemannia and Zygosepalum labiosum,

as the most derived group of the Zygopetalum grade.

Some species of Galeottia (plus Batemannia lepida), however,

are on a long branch relative to the other members of this

clade, likely explained by paralogous trnL-F sequences.

Inclusion of additional genome regions in the molecular

analysis is required for a better understanding of the

phylogenetic relationships of these genera.

below -collection of plants from Venezuela

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