Jumellea lignosa (Schltr.) Schltr. 1915 GROUP 6 Photo by © Olaf Pronk and his Flickr Orchid Photo Website

LATE

Common Name The Woody Jumellea

Flower Size 2.4 to 3.2" [6 to 8 cm]

Found in the central and northern highlands of Madagascar on mossy rocks and lichen covered trees at elevations around 700 to 1500 meters as a large to giant sized, warm to cool growing lithophyte or epiphyte in highland forests on moss and lichen covered trees with a branching, woody, rigid stem carrying short, 2.4 to 3.2" [6 to 8 cm] long leaves that blooms in the late spring and summer on a short, pedumcle enveloped completely by tough sheaths, single flowered inflorescence witha green, leathery floral bract overlapped by the upper most sheath and carrying large, thick, white flowers.

A highly variable orchid with the subsp acutissima differing in the sheaths of the peduncle are loose and not adpressed, a shorter spur and flowers in the later summer. Subsp latilabia differs in the large plant [to 80 cm] longer leaves 4.8 to 5.6" [12 to 14 cm] long, , a longer peduncle 1.6 to 1.8" [14 to 4.5 cm] long, the lip with 17 conspicuous veins and a very visible middle keel a .32" [8 cmmm] long spur and blooms in the later summer.

Synonyms *Angraecum lignosum Schltr. 1913; Jumellea lignosa subsp. acutissima H.Perrier 1938 [no latin descr.]; Jumellea lignosa subsp. acutissima H.Perrier ex Hermans 2007; Jumellea lignosa subsp. typica H.Perrier 1938; Jumellea lignosa var. latilabia H.Perrier 1938 [no latin descr]; Jumellea lignosa subsp. latilabia H.Perrier ex Hermans 2007

References W3 Tropicos, Kew Monocot list , IPNI ; Flora of Madagascar Perrier 1939/81 as J lignosa ssp typica; Flora of Madagascar Perrier 1939/81 as J lignosa ssp tenuibracteata; Flora of Madagascar Perrier 1939/81 as J lignosa ssp acutissima; Flora of Madagascar Perrier 1939/81 as J lignosa ssp latilabia; Flora of Madagascar Perrier 1939/81 as J lignosa ssp ferkoana; An Introduction to the Cultivated Angraecoid Orchids Of Madagascar Hillerman & Holst 1986; An Introduction to the Cultivated Angraecoid Orchids Of Madagascar Hillerman & Holst 1986 as J lignosa subsp typica; An Introduction to the Cultivated Angraecoid Orchids Of Madagascar Hillerman & Holst 1986 as J lignosa subsp acutissima; An Introduction to the Cultivated Angraecoid Orchids Of Madagascar Hillerman & Holst 1986 as J lignosa subsp latilabia; An Introduction to the Cultivated Angraecoid Orchids Of Madagascar Hillerman & Holst 1986 as J lignosa subsp tenuibracteata; Angraecoid Orchids Stewart, Hermans and Campbell 2006 photo fide; Orchids of Madagascar Hermans, Du Puy, Cribb & Bosser 2007; Orchids of Madagascar Hermans, Du Puy, Cribb & Bosser 2007 as J lignosa ssp acutissima; Orchids of Madagascar Hermans, Du Puy, Cribb & Bosser 2007 as J lignosa ssp latilabia; Orchids of Madagascar Hermans, Du Puy, Cribb & Bosser 2007 as J lignosa ssp tenuibracteata; Field Guide to the Orchids of Madagascar Cribb & Hermans 2009; Field Guide to the Orchids of Madagascar Cribb & Hermans 2009 as J lignosa ssp acutissima; Field Guide to the Orchids of Madagascar Cribb & Hermans 2009 as J lignosa ssp latilabia; Field Guide to the Orchids of Madagascar Cribb & Hermans 2009 as J lignosa ssp tenuibracteata;

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