Anguloa x ruckeri Lindl. 1846

Photo courtesy of Oak Hill Gardens and Their Website

Hand Opened Flower

Photo By Eric Hunt

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Common Name Rucker's Anguloa [English Orchid Enthusiast 19th cen]

Flower Size 3 1/2" [9cm]

Found in Colombia and Venezuela at elevations of 900 to 2000 meters as a large sized, warm to cool growing orchid with large, dark green, clustered, conical, spiked as in Lycaste apically, slightly compressed pseudobulbs carrying 3, apical, clear-light green, plicate, deciduous, elliptic-lanceolate leaves with basal sheaths that blooms in the spring and summer as the new growths arise on 1 to 4, basal, 8" [20 cm] long, terete, light green, single flowered inflorescence subtended by several, inflated, ovate, acuminate bracts and an inflated, ovate, acuminate floral bract and has a solitary, tulip-like, fleshy, fragrant, long lasting flower held at mid-leaf height.

This species is a natural hybrid between A. clowesii and A. hohenlohii.

Synonyms Anguloa clowesii var. macrantha B.S.Williams 1894; Anguloa clowesii var. ruckeri (Lindl.) Foldats 1959; Anguloa macrantha Linden 1855; Anguloa media Rchb.f. 1881; Anguloa ruckeri var. albiflora H.J.Veitch 1893; Anguloa ruckeri var. media Rchb.f. 1886; Anguloa ruckeri var. wageneri Regel 1854; Anguloa sanguinea Kikkert 1906

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1853; Otia Botanica Hamburgensia Rchb.f 1878; Die Orchideen Schlechter 1915 photo ok; Atlas des Orchidees Cultivees Constantin 1920 drawing fide; AOS Bulletin Vol 27 No 1 1958 drawing fide; Venezuelan Orchids Illustrated Vol 1 Dunsterville & Garay 1959 as Anguloa rueckeri drawing fide; Encylopedia of Cultivated Orchids Hawkes 1965 drawing fide; Flora de Venezuela Volumen XV Part 4 Foldats 1970 as Anguloa clowesii var rueckeri drawing fide; Orchid Digest Vol 42 No 4 1978 drawing fide; AOS Bulletin Vol 48 No 2 1979 photo fide; Orchids of Venezuela, An illustrated field guide Vol. 1 Dunsterville and Garay 1979 drawing fide; AOS Bulletin Vol 56 No 1 1987 photo fide; Venezuelan Orchids Dunsterville 1987 drawing/photo fide; AOS Bulletin Vol 57 #1 1988 photo fide; Native Colombian Orchid Vol 1 COS 1991; The Illustrated Encyclopedia of Orchids Pridgeon 1992; Rudolf Schlechter Die Orchideen lieferung 29 1777 - 1840 Brieger 1994 drawing fide; Manual of Orchids Stewart 1995; AOS Bulletin Vol 57 No 1 1988 photo; Venezuela; Paraiso de Orquideas Romero 1997 photo fide; Orchid Digest Vol 63 #4 1999 photo fide; Orquideologia Vol 21 #2 1999 photo fide; Australian Orchid Review Vol 65 No 4 2000 photo; Orchids of Venezuela [An illustrated field guide] Vol. 1 Ramiro and Carnevali 2000 drawing fide; AOS Bulletin Vol 74 No 10 2005 drawing fide; Flora Of Ecuador # 76 225[2] Dodson & Luer 2005 as dubious record; AOS Bulletin Vol 75 No 11 2006 drawing fide; AOS Bulletin Vol 77 No 10 2008 photo fide; Lycaste, Ida and Anguloa, The Essential Guide Oakley 2008; AOS Bulletin Vol 88 #11 2019 photo fide; Orchids, A Colombian Treasure Vol 1 Ortiz & Uribe 2014 drawing fide