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Calanthe goodenoughiana

Calanthe goodenoughiana

Calanthe goodenoughiana Ormerod & P.J.Cribb, Malesian Orchid Journal 8 (2011)48, fig. 6.

Type: Brass 25041 (holo AMES).

Terrestrial herb up to 80 cm tall. Leaves suberect, narrowly elliptic-lanceolate, 3, 45—60 by 5.5—6 cm; apex acuminate; petiole up to 28 cm long, slender. Inflorescence up to 80 cm tall, densely many-flowered; peduncle 60—75 cm long, glabrous, bearing two small, sheathing, acuminate, spreading-suberect scale leaves; floral bracts spreading to upcurved, narrowly lanceolate, 1—2.3 by 0.1—0.2 cm, with acuminate apex, pubescent. Flowers resupinate, sepals and petals strongly reflexed, pubescent on outer surface of sepals. Pedicel-with ovary 1—1.1 cm long, pubescent. Median sepal cucullate, narrowly elliptic, 1.15 by 0.35 cm; apex acuminate. Lateral sepals slightly obliquely obovate-elliptic 1.2 by 0.35 cm; apex acuminate. Petals narrowly linear-oblanceolate, 1 by 0.1 cm; apex acute; one-nerved. Lip spreading to slightly deflexed, 3-lobed, 0.6 by 0.85 cm; lateral lobes spreading, tapering-oblong, 0.25 by 0.15—0.2 cm, rounded at apex; midlobe broadly obtriangular 0.3 by 0.4 cm; apex apiculate; callus small, consisting of 3 tapering lines of warts; spur cylindric, curving above the ovary, upcurved, 0.6—0.7 cm long. Column dilated from a slender base, 0.8—0.9 cm long.
(after Cribb, Ormerod & Dudley 2011)


Leaves dark above green, paler below Flowers white or greenish white.

Terrestrial in montane forest in undergrowth on bank of stream. Altitude c. 900 m.

New Guinea (endemic).

Papua New Guinea: Milne Bay Province; see map

Intermediate growing epiphyte.

October.

  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Undetermined
  • Subtribe Collabiinae
  • Genus Calanthe
  • Species Calanthe goodenoughiana

Calanthe goodenoughiana is distinct from other Calanthe species by the shape of its three-lobed lip in which the midlobe is broadly spatulate with a long claw and a prominent apicule.


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Calanthe goodenoughiana

Calanthe goodenoughiana Ormerod & P.J.Cribb, Malesian Orchid Journal 8 (2011)48, fig. 6. Drawn by Juliet Beentje from type: Brass 25041