Plectrophora

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Plectrophora-calcarhamata-Irene-CHM/AOS-2019-09-17Determined to be Plectrophora cf. cultrifolia, not P. calcarhamata (Mar 2021); P. calcarhamata is an equitant leaved plant with no discernable pseudobulbs; this plant has ancipitous (flattened with two edges) pseudobulbs; P. cultrifolia is named for its knife blade-shaped leaf and pseudobulb which is a good match with this plant;  the flower size and more open form also favor P. cultrifolia; since the plant is larger and the leaves somewhat longer than P. cultrifolia, there is some uncertainty in the identification, so it is qualified as Plectrophora cf. cultrifolia as the best fit for this plant.

Posted on September 17, 2019

Overall Length Of Growth Cane: 10 cm

Number Of Leaves Per Growth Or Cane: 3

Leaf Length: 8.5 cm

Leaf Width: 1 cm

Leaf Margin: entire

Leaf Shape: laterally compressed, lanceolate

Leaf Petiole Length: 0

Pseudobulb Length: 1.5 cm

Pseudobulb Width: 0.2 cm

Pseudobulb Margin: flattened

Pseudobulb Distance: 0.2 cm

Pseudobulb Root Tip: non-visible

Inflorescence Overall Length: 4.5 cm

Inflorescence Arrangement: single flowered

Inflorescence Dist To Sepal: 1 cm

Floral Bracts Length: 0.2 cm

Ovary Length: 2 cm

Ovary Width: .05 cm

Ovary Shape: triangular

Ovary Color: light green

Ovary Texture: slightly ridged

Flower Natural Spread Length: 4.2 cm

Flower Natural Spread Width: 2.5 cm

Dorsal Sepal Length: 0.4 cm

Dorsal Sepal Width: 1.5 cm

Lateral Sepals Length: 0.4 cm

Lateral Sepals Width: 1.4 cm

Petals Length: 1.5 cm

Petals Width: 1.0 cm

Judging Center: Northeast

Award Number: 20194334

Award Date: August 17, 2019

Awarded As: Plectrophora calcarhamata 'Irene' CHM/AOS

One tubular yellow flower well-presented on a horizontal inflorescence, and one immature inflorescence, displayed on a fan-shaped, 13 cm wide by 17 cm tall plant grown mounted on a 9 cm wide x 5 cm tall tree fern plaque; lanceolate sepals solid yellow; petals yellow, frame lip, apically flaring outward; tubular lip yellow spotted orange on interior, margins ruffled; spur yellow and straight; substance of sepals firm, petals and lip light; texture matte; Native to Brazil; confirmed by SITF

Purchased from Floralia
Vegetatively similar to Ornithocephalus

Reference - Alex hawkes: Encyclopedia of Cultivated Orchids 1987 pp 381 & 383

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