Jumellea brachycentra Schltr., Repert. Spec. Nov. Regni Veg. Beih. 33: 291 (1925).
Heterotypic Synonyms:
Jumellea floribunda Schltr., Repert. Spec. Nov. Regni Veg. Beih. 33: 294 (1925).
Description:
Large plants, acaulis, 25-40 cm tall, leaves 5-7, lorate-linear (15-37 x 1.4-2.5 cm), coriaceous and very thin. Inflorescences twice as long as the leaves or more; peduncle 5 cm long and 1.5 mm in diameter, bearing 3 basal sheaths the top of which is 8 mm long; bracts similar to this sheath; fiowers white, of average size. Sepals narrowly lanceolate, obtuse and 27 mm long. Petals lingulate, slightly shorter (25 mm) and thinner than the sepals. Labellum oblong-acute, 25 mm long, slightly contracted between the lower third and the middle, with 2 dilations, one toward the base (6.5 mm wide) the other medial (9 mm wide), then shortly attenuate lengthwise; spur thin, subacute, 12 mm long, half as long as the labellum. Column 4 mm long, very thick. Pedicel very thin 6-7 cm long. Capsule shortly (5 mm) pedicellate. cylindrical (9 cm x 7-8 mm in diameter).
Habitat:
Epiphyte; in mossy-lichen forests. 1800—2400 m alt.; flowering in February-March.
Cultivation:
As given for the genus, cool growing epiphyte.
Distribution:
N. & C. Madagascar
References:
Angaecoid Orchids Stewart, Hermans and Campbell 2007; Orchids of Madagascar Hermans 2007; Field Guide to the Orchids of Madagascar Cribb & Herman 2009; WCSP (2017). 'World Checklist of Selected Plant Families. 14.02-2017; http://apps.kew.org/wcsp/
Images:
Click on each image to see a larger version.
| Habitat/In situ | Habitat/In situ |
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| Photograph ©Gilles Grunenwald. Image used with kind permission. | Photograph ©Gilles Grunenwald. Image used with kind permission. |
