Nomenclatural changes in species of Telipogon () from Ecuador and Bolivia

Carlos Martel. Institute of Evolutionary Ecology and Conservation Genomics, University of Ulm, Helmholtzstraße 10-1 Containerstadt, D-89081 Ulm, Germany. [email protected]

Abstract: The taxonomic status of Telipogon amicorum and kukwae is analyzed, and the former is designated as synonym of Telipogon astroglossus and the latter formally transferred to Telipogon. Taxonomic notes are provided for both taxa.

Short Title: Nomenclatural changes in Telipogon species.

Introduction: The species of the transferred to Telipogon as T. amicorum Stellilabium Schltr. were transferred to (Szlach. & Marg.) J.M.H. Shaw and T. Telipogon Kunth based on molecular deuterocuscoensis J.M.H. Shaw, respec- analysis (Williams et al 2005). However, tively (Shaw 2014). Whereas S. kukwae four new Stellilabium species were later remains as belonging with Stellilabium described: Stellilabium amicorum Sz- and it is recorded in the World Orchid lach. & Marg. (Szlachetko & Margońska Checklist with an unplaced name (Gov- 2006), Stellilabium cuscoense Christen- aerts et. al. 2015). After a careful analysis son & Repasky (Christenson & Repasky of T. amicorum and S. kukwae I propose 2008), Stellilabium kukwae Szlach. & to designate T. amicorum as a synonym Mytnik (Szlachetko & Mytnik 2010), and of T. astroglossus Rchb.f. and transfer S. Stellilabium auriculatum Archila, Chiron kukwae to Telipogon. Taxonomic notes & Szlach. (Archila et al 2015). Stellilabium are provided for both taxa. amicorum and S. cuscoense were recently

Rchb.f., Xenia Orchid. 1: 16 (1854).

Type: Pérou [Peru]. [Amazonas: Prov. of Synonyms: Chachapoyas.] Chachapoyas. Matthews, Trichoceros astroglossus (Rchb.f.) Lindl. ex s.n. (holotype: G not seen, G photo). Benth. & Hook.f., Gen. Pl. 3: 588 (1883).

Orquideología XXXIII - 1 / junio - 2016 Stellilabium astroglossum (Rchb.f.) Schltr., pinate in T. amicorum versus non-resu- Orchideen Beschreib. Kult. Zücht.: 530 pinate in S. tanii), the size and relative (1914). proportion of the callus respect to the lip (oblong, very large and strongly con- Stellilabium tanii Dodson, Icon. Pl. Trop. vex in T. amicorum), and that the anther 1: t. 337 (1980). is hidden by the hairs of the setose co- lumn (Szlachetko & Margońska 2006). Dipterostele tanii (Dodson) Garay & G.A. However, there is not any description of Romero, Harvard Pap. Bot. 3: 58 (1998). T. astroglossus (neither for its synonyms) that it presents resupinate flowers (see Telipogon tanii (Dodson) N.H. Williams Reichenbach 1858, 1861, Schweinfurth & Dressler, Lankesteriana 5: 171 (2005). 1961, Dodson 1980, Bennett & Christen- son 1995). Specimens with resupinate Stellilabium amicorum Szlach. & Marg., or non-resupinate flowers have been ob- Die Orchidee 57: 322 (2006). served in T. astroglossus (Fig. 1, see Rei- chenbach 1858, Dodson 1980, Bennett & Telipogon amicorum (Szlach. & Marg.) Christenson 1995, C. Martel pers. obs.). J.M.H. Shaw, Orchid Rev. 122: 78 (2014). Furthermore, it seems that the pictures of T. astroglossum (as S. tanii) showed by The characters used to support the desig- Szlachetko and Margoska were rotated, nation of this taxon as new are questio- giving the appearance of being resupi- nable. The key characters to distinguish nate (see Figs. 5-6 in Szlachetko & Mar- Telipogon species are those associated to gońska 2006). The form of the callus in T. the callus and column (Dodson & Esco- astroglossus is slightly variable (see pictu- bar 1987), which interact directly with the res and drawings in Dodson 1980, 2004, pollinator; they are therefore important Bennett & Christenson 1995, Zelenko in Telipogon . However, sponta- & Bermudez 2009): it can be large and neous self-pollination may occur in some convex in some individuals along its dis- miniature Telipogon species and, therefo- tributional range. If the anther is hidden re, some characters (e.g. resupination) completely by the hairs or not, it would may not play a role in Telipogon species not be matter of taxonomic difference. isolation (C. Martel pers. obs.). Szlache- Therefore, the differences pointed out tko & Margońska (2006) suggested that by Szlachetko & Margońska (2006) may T. amicorum (as S. amicorum) is closely not justify the establishment of a new ta- related to S. tanii Dodson. Although Dod- xon. The only two known specimens of T. son informally recognized that S. tanii is amicorum were collected in the South of a synonym of T. astroglossus Rchb.f. (as Loja, within the known distribution of T. S. astroglossum (Rchb.f.) Schltr., Dodson astroglossus (central Peru to north Ecua- 2004), there was no reference of that by dor). The taxon was recently transferred Szlachetko and Margońska (2006). Szla- to Telipogon by Shaw (2014); however, chetko and Margońska (2006) pointed this author did not explain the reasons out that T. amicorum is different from of the transfer and just gave a new com- S. tanii by the position of the lip (resu- bination for it.

(Szlach. & Mytnik) C. Martel, Orquideología XXXIII(1):36. (Fig.1)

Basionym: Stellilabium kukwae Szlach. Szlachetko & Mytnik (2010) suggested & Mytnik, Biodiv. Res. Conserv. 19: 8 that this species is closely related to Te- (2010). lipogon pampatamboensis (Dodson & R. Vásquez) N.H. Williams & Dressler (as Type: Bolivia. La Paz, Department of Stellilabium pampatamboense Dodson Coroico. 03 August 2008, M. Kukwa s.n. & R. Vásquez) but some morphological (holotype: LPB not seen, LPB photo). characters (column and callus mor-

• 39 • p h o logy, furculate hairs on the column, Dressler and a careful analysis is needed and ciliate margins in petals and lip) before proposing any new taxonomic may suggest a closer relationship with classification. Telipogon nigropurpureus P. Ortiz from Colombia and far from T. pampatam- Acknowledgments: Delsy Trujillo and boensis. The type specimen was initially Martín Timaná de la Flor are kindly housed at Gdansk University Herbarium thanked for providing helpful comments (UGDA), but it was recently transferred on earlier versions of the manuscript. to the National herbarium of Bolivia Marta Kras and Jutta Babczinsky kindly (LPB). This species is only known from provided a copy of the original descrip- the type collection and type locality, tion of S. amicorum. Günter Gerlach and Coroico, at mid elevations (1500 m) of Iván Jiménez shared pictures of T. astro- the Andean cloud forest. glossus and the type of T. kukwae housed at LPB, respectively. The German Aca- Additional note: the recently established demic Exchange Service (DAAD) sup- S. auriculatum highly resembles Telipo- ports the author’s PhD studies in Ulm gon boylei (J.T.Atwood) N.H.Williams & University.

BIBLIOGRAPHIC REFERENCES See spanish version.

Orquideología XXXIII - 1 / junio - 2016