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Project Name Data (Last Modified On 2/7/2013)

Flora Data (Last Modified On 2/7/2013)
PlaceOfPublication Bot. Mag. t. 2715. 1827
Reference Benth. & Hook. Gen. Pl. 3:570. 1883; Kranzl. in Engler, Pflanzenr. IV, Fam. 50 (Heft 83):6. 1923.
Synonym Fernandezia R. & P., sensu Lindl. Gen. & Sp. Orch. Pl. 207. 1833, in part.
Description Caespitose, epiphytic herbs without pseudobulbs, the linear, undivided, pseudomonopodial, foliaceous stems erect or pendulous, entirely enveloped in the short, equitant, distichously imbricating, coriaceous leaves. Inflorescences short 1- or 2- flowered scapes or sometimes abbreviated few-flowered panicles, produced from the upper leaf axils. Flowers of moderate size to small, usually yellow, on elongate, filiform pedicels, often subtended by conspicuous membranaceous bracts. Sepals subequal, free, spreading or with the laterals reflexed. Petals subequal to the sepals or broader. Lip usually complexly 3-lobed, rarely entire, usually conspicuously exceeding the sepals in length, the lateral lobes (if present) often linear, rather long, divaricate or antrorsely incurving, the mid-lobe variously 2- to 4-lobulate, the disk with a papillose, denticulate or tuberculate callus. Column very short, with two broad wings or auricles, the base without a foot. Anther terminal, operculate, incumbent, imperfectly 2-celled; pollinia 2, waxy.
Note A rather perplexing genus of perhaps 30 species of American epiphytes, ranging from Mexico to Peru and Brazil. Six species, and one variety, are known to occur in Panama.
Key a. Inflorescences relatively large, spreading, divaricate panicles .................. 1. L. ACUTA aa. Inflorescences very short, compact, subsessile panicles or 1- to 2-flowered scapes. b. Lip entire or subentire, without distinct linear lobes at the base. Inflorescences 1-flowered. c. Leaves acute. Apex of the lip deeply emarginate . ........ 7. L. PITTIERI cc. Leaves broadly obtuse. Apex of the lip entire . ........ 5. L. OBTUSATA bb. Lip with distinct linear lobes at the base. Inflorescences 1-flowered or shortly racemose or paniculate. c. Flowers very small, the lip usually less than 4 mm. long. Leaves obliquely truncate or obtuse at the apex ............................. 4. L. MICRANTHA cc. Flowers relatively large, the lip 7 mm. long or more. Leaves acute or subacute at the apex. d. Mid-lobe of the lip subpandurate, conspicuously broader at the apex than at the base, with a distinct isthmus or constriction between the apical portion and the smaller lateral lobules .......... 6. L. OERSTEDII dd. Mid-lobe of the lip either subquadrate or conspicuously broader at the base than at the apex. e. Mid-lobe subquadtate, composed of 4 distinct or obscure, subequal lobules .. 2. L. AMOENA ee. Mid-lobe quadrate-triangular, more or less distinctly 3-parted ..... 3. L. AMOENA var. TRIANGULABIA
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