Monographs Details: Cavendishia atroviolacea Luteyn var. atroviolacea
Authority: Luteyn, James L. 1983. Ericaceae--part I. Cavendishia. Fl. Neotrop. Monogr. 35: 1-290. (Published by NYBG Press)
Description:Variety Description - Leaves lanceolate to lance-elliptic, rarely oblanceolate or ovate, basally rounded, obtuse, cuneate or rarely subtruncate, rarely ± bullate; midrib inconspicuously raised through proximal 1-2 cm; petioles (4-)6-15 mm long and (0.7-)1-2(-2.5) mm diam. Rachis 2-5 mm diam.; floral bracts (2-)2.5-4(-5) cm long, deep violet or maroonish-purple; bracteoles located at or near base of pedicels, 2-4(-5.5) mm long. Flowers: calyx (6-)7-11(-13.5) mm long; limb (3.5-)5-8 mm long; corolla (23-)30-38(-45) mm long.

Discussion:The following specimen appears to be a hybrid between C. callista and C. atroviolacea: COSTA RICA. Cartago-San José border: 2.5 km N of La Sierra at km 42 along Panamerican Hwy., 1900 m, 23 Jui 1980 (fl), Wilbur 29558 (DUKE).

Distribution and Ecology: Epiphytic sometimes scrambling shrub, common on the Cerro Punta (western) side of Volcán Barú, Chiriquí Prov., Panama at elevations of 1300-2500 m, and also collected once on the adjacent western slopes of Cerro Pando (extreme eastern Puntarenas Prov., Costa Rica) at 1860 m, and twice in Alajuela Prov., Costa Rica at elevations of 400-900 m. Flowering occurs May-September, and immature fruits have been collected in January and October. It is found in undisturbed cloud forest, wet forest, along streambanks, and in remnant trees in pastured areas.

Distribution:Costa Rica South America| Alajuela Costa Rica Central America| Panama Central America| Chiriquí Panamá Central America|