Cleisostoma

Finding

SITF confirms this plant as Cleisostoma duplicilobum (Sep 2025). This plant matches the images in Kew's POWO and the IOSPE. According to the IOSPE, C duplicilobum and C rostellatum are very similar, but differ in that C rostellatum has protuberences [auricles or tubercles] at the midlobe of the lip. Flower size matches C. duplicilobum.

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Overall Length Of Growth Cane: 12.0

Leaf Length: 10.8

Leaf Width: 1.8

Leaf Margin: unequally bilobed

Leaf Shape: elliptical

Inflorescence Overall Length: 14.5

Inflorescence Arrangement: lateral

Flower Natural Spread Length: 1.4

Flower Natural Spread Width: 1.0

Dorsal Sepal Length: 0.4

Dorsal Sepal Width: 0.2

Lateral Sepals Length: 0.5

Lateral Sepals Width: 0.2

Petals Width: 0.1

Judging Center: FNCJC

Award Number: 20251468

Award Date: August 09, 2025

Awarded As: CBR

Two flowers and 25 buds on one branched, 14.5-cm, lateral inflorescence, on a first bloom plant, 23 cm wide by 12 cm tall, leaves 1.8 cm wide by 10.8 cm long, dark green, leathery, apices unequally bilobed; sepals and petals green, sepals elliptical, overlaid mahogany, midline and apices green, petals linear, arched, two red-mahogany stripes; lip saccate, side lobes horned, pale yellow, superior margin overlaid red-mahogany, midlobe porrect, apex mucronate; substance firm; texture satiny, lip waxy; root tips green.

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Learn more about the Cleisostoma genus