Odontoglossum sanderianum Rchb.f. 1881 SECTION Lobulatum SERIES Astranthumm

TYPE Drawing

Photo by Guido Deburghgraeve/ Drawing by Stig Dalstrom

Common Name Sander's Odontoglossum [German born English nurseryman later 1800's early 1900's]

Flower Size 2" [5 cm]

Found in Merida state of Venezuela at elevations of 1700 to 2000 meters as a small to just medium sized, cool growing caespitose, epiphyte with ancipitou, fairly srongly compressed pseudobulbs enbveloped basally by 6 to 7, distichous,uppermost foliaceous sheaths and carrying 2, apical, elliptic, obtuse, conduplicate below into the petiolate base leaves that blooms in the fall through mid winter on an axillary, erect to arching, racemose, to paniculate with one to several, distant, few flowered side branches, 14 to 18" [35 to 45 cm] long, many flowered inflorescence with apressed, scale like, much shorter than the ovary floral bracts and carrying stellate to slightly campanulate flowers.

Synonyms Odontoglossum boddaertianum Rchb.f. 1888; Odontoglossum constrictum var. sanderianum (Rchb.f.) A.H.Kent 1887; Oncidium boddaertianum (Rchb.f.) M.W.Chase & N.H.Williams 2008

References W3 Tropicos, Kew Monocot list , IPNI ; Atlas des Orchidees Cultivees Constantin 1920 as O constrictum var sanderianum drawing fide; Venezuelan Orchids Illustrated Vol 4 Dunsterville & Garay 1966 drawing fide; ; Flora de Venezuela Volumen XV Part 5 Foldats 1970 as Odontoglossum bodaertianum; Flora de Venezuela Foldats Volumen XV Part 5 1970 drawing fide; Orchids of Venezuela, An Illustrated Field Guide Vol 2 Dunsterville & Garay 1979 drawing fide; Orchids of Venezuela [An illustrated field guide] Vol. 2 Ramiro and Carnevali 2000 drawing fide; AOS Bulletin Vol 77 No 12 2008 as Oncidium boddaertianum; The Odontoglossum Story Dalstrom, Higgins & Deburghgraeve 2020 drawing/photo fide