Graphorkis concolor var. alphabetica F.N.Rasm., Bot. Not. 132: 387 (1979).
Homotypic Names:
Graphorkis aiolographis Thouars, Cahier six Planches: t. 3 (1819).
Heterotypic Synonyms:
Epidendrum scriptum Thouars, Cahier six Planches: t. 3 (1819), nom. illeg.
Limodorum scriptum Thouars, Hist. Orchid.: t. 46 (1822).
Eulophia scripta (Thouars) Lindl., Gen. Sp. Orchid. Pl.: 182 (1833).
Eulophiopsis scripta (Thouars) Pfitzer, Entwurf. Anordn. Orch.: 105 (1887).
Graphorkis scripta (Thouars) Kuntze, Revis. Gen. Pl. 2: 662 (1891).
Lissochilus scriptus (Thouars) H.Perrier, Fl. Madagasc. 49(2): 37 (1941).
Description:
Pseudobulbs confluent, the older ones aphyllous, bearing sheaths or scars of the sheaths from the base to the apex, ovoid-connical (3-14 x 1-4 cm), the new bulb developing prior to flowering; sheaths more or hest persistant after the falling of the heaves, with the articulation irregularly dentate. Leaves developing prior to flowering, 9-13, the inferiors reduced with their sheaths, the others more or less elongated (8-11 x 0.8-1.4 cm), graminiform and acute. Inflorescence 22-65 cm long; peduncle 10-45 cm long, bearing 3-5 reddish sheaths; panicle loosely many flowered, with 3-9 branches, the lowest of which is always branched secondarily; bracts narrow, reddish, 3-8 mm long; flowers thin, 15-25 mm, with the flowers 12-15 mm across, maculate with small red spots, the petals and sepals of a light greenish. Sepals and petals at most twice an long as wide; labellum trilobed, the lateral lobes rounded, embracing the column; median lobe obovate, crenulate or emarginate; spur straight, 3mm. long. Column 6-10 mm long.
Habitat:
Epiphytes, in trees or sometimes (Typhonodorum lindleyanum) of other long-lived herbs; along the coast; flowering in October-December.
Distribution:
Seychelles (Silhouette), Réunion, Comoros, Madagascar
References:
Pridgeon, A.M., Cribb, P.J., Chase, M.W. & Rasmussen, F.N. (eds.) 2014. Genera Orchidacearum Volume 5: Epidendroideae (Part two); page 71 ff., Oxford: Oxford University Press; Govaerts, R. et al. 2016. Graphorkis concolor var. alphabetica in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 22.07.2019; Flora of Madagascar Perrier 1939/81
Images:
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Habitat/In situ
graphorkis concolor var. alphabetica 01
Photograph ©Frederic
Henze. Image used with
kind permission.