Jumellea lignosa subsp. latilabia H.Perrier ex Hermans, Orchids Madagascar, ed. 2: 289 (2007).
Heterotypic Synonyms:
Jumellea lignosa var. latilabia H.Perrier, Notul. Syst. (Paris) 7: 60 (1938), no latin descr.
Description:
Large plants to 80 cm tall. Leaves 12-14 cm long and 2.2-2.5 cm wide. Peduncle very long (4- 4.5 cm), covered in the lower half only by the tubular, narrowly appressed, thin, hyaline sheaths, bracts 10 mm long, similar to the sheaths of the peduncle pedicel 3.5-4 cm long. Labellum widely oval-acute (32 x 20 mm in the inferior third), 17 veined, veins very visible and with the median keel visible the entire length of the labellum spur 8 cm long. Column 4 mm tall, very wide; auricles with their angles obtuse, but with the superior much larger than the inferior; median tongue acicular, longer than the auricles (2 mm). Anther wide (4 mm), saddle shaped, but very widely excised in front, the lateral angles acute; retinacles 2 embracing a hyaline lamina, oblong (2.5 x 0.7 mm) and bilobed at its front edge.
Habitat:
Epiphyte, in forests, from 1000 m alt.; is flowering in February.
Cultivation:
As given for the genus.
Distribution:
C. Madagascar
References:
WCSP (2017). 'World Checklist of Selected Plant Families. 19.02-2017; http://apps.kew.org/wcsp/
Images:
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