Maxillaria granditenuis D.E.Benn. & Christenson 1998 sect. Aggregatae Pfitz 1889 TYPE Drawing by Alcantara, Bennett & Christenson

Part Shade Cool Winter

Common Name The Larger Flower M tenuis Maxillaria

Flower Size 2" [5 cm]

Found in Pasco department of Peru in very wet cloud forests at elevations around 1830 meters as a medium sized, cool growing epiphyte with elliptic-ovoid, unequally compressed pseudobulbs subtended in youth by a series of imbricating sheaths and carrying a single, apical, linear-lanceolate, acute, long petiolate base leaf that blooms in the winter as the new growths arise, on short, erect, to 2.4" [6 cm] long, single flowered inflorescence with ovate, acute, subequal to the ovary floral bracts and carrying campanulate flowers with yellow towards the base tepals that become cinnamon colored distally, a lip with the midlobe white and the disc and callus yellow.

Similatr to M tenuis but this one has larger flowers, a tomentose callus and a differnt midlobe tothe lip. This species alosi s similar in morphology to M colorara but this one has much shorter inflorescence. Also similar to M setigera but this one has the tomentose lip and the much longer, narrower leaves.

Synonyms \

References W3 Tropicos, Kew Monocot list , IPNI ; *Icones Orchidacearum Peruviarum Plate 505 Bennett & Christenson 1998 drawing fide;

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