Angraecum ambrense H.Perrier, Notul. Syst. (Paris) 7: 118 (1938).
Homotypic Synonyms:
Perrierangraecum ambrense (H.Perrier) Szlach., Mytnik & Grochocka, Biodivers. Res. Conservation 29: 19 (2013).
Description:
Plants pendent or nearly straight, to 30 cm long, stem 3-4 mm in diameter; sheaths heavily carinate compressed leaves linear (5 cm x 3-3.5 mm ). Sub distichous very thin. Inflorescence single flowered, arising from the axillary sheaths: peduncle 1.2 cm long, covered by the 3-4 very irregularly sized sheaths, the longest of which is 8 mm long, bracts short and acute. Sepals oval-lanceolate (12 x 3.2-4 mm), subacute and 5 veined. Petals similar but more obtuse; bases of the lateral sepals and petals shortly joined with the margins of the spur oriface. Labellum narrow basally, inserted in the front margin of the spur oriface, pandurate, enlarge -angular (4 mm wide) marginally above the base, then (6 mm wide) in the upper third, widely flattened apically and 7 veined more or less bifurcate; spur cylindrical, 12 mm long, obtuse apically, dilate marginally laterally in thick lobules, short and rounded, bordered on both sides (on 1 side by the labellum and on the other h the column) with a small notch. Column a slight 2 mm tall, without basal arms, but with rudiments of the same, auricles short, nearly angular in front, median tooth of the rostellum obtuse and very abort. Pedicel thin,generally 2 cm long. Pollina not known.
Habitat:
Northern Madagascar, where it grows as an epiphyte in moss forest at around 1,200 meters in altitude. Flowers in September.
Cultivation:
As given for the genus.
Notes:
This species as in the preceding, having the labellum of a Jumellea, and more with the margins of the spur oriface enlarged-lobed, however the other characteristics are as in the members of the Angraecums, group Perrieriangraecum.
Distribution:
N. Madagascar
References:
WCSP (2017). 'World Checklist of Selected Plant Families. 24.01-2017; http://apps.kew.org/wcsp/
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