Species Information - Calanthe daymanensis

Calanthe daymanensis Ormerod & P.J.Cribb, Malesian Orchid Journal 8 (2011) 45, fig. 3.

Type: Brass 23279 (holo AMES).

Synonyms:

Terrestrial herb 60—80 cm tall. Leaves 3 or 4, suberect, elliptic, 30—45 by 7—11 cm; petiole up to 16 cm long, slender; margins undulate; apex acuminate. Inflorescence up to 80 cm tall, densely many-flowered; peduncle 50—75 cm long, glabrous, bearing two small, sheathing, acuminate, spreading-suberect scale leaves; rachis 10—18 cm long, glabrous; floral bracts , reflexed, narrowly lanceolate 0.6—0.8 by 0.1—0.2 cm; apex acuminate, glabrous. Flowers resupinate, sepals and petals strongly reflexed. Pedicel-with-ovary 0.7—1 cm long, glabrous. Median sepal cucullate, narrowly elliptic, 1 by 0.25—0.3 cm; apex acute. Lateral sepals slightly obliquely oblong-elliptic, 1 by 0.3 cm; apex acute. Petals obliquely narrowly oblanceolate, 0.92 by 0.25 cm; apex acute. Lip spreading to slightly deflexed, 3- lobed, 1—1.5 by 0.9—1.4 cm; lateral lobes spreading, oblong, 0.6—0.85 by 0.1—0.15 cm. rounded at apex; midlobe obtriangular, deeply emarginate at apex, each lobule 0.5—0.7 cm long; callus small, warty; spur straight, cylindrical, rising above the ovary 0.6—0.8 cm long. Column dilated abruptly from a narrower base 0.5—0.7 cm long.
(after Cribb, Ormerod & Dudley 2011)

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