Dendrobium-dixonianum-2019-11-10***Determined not to be Dendrobium dixonianum (Oct 2020); although this plant is similar to D. dixonianum, it differs in the lip form; the drawing by Seidenfaden and photos of D. dixonianum show the mid lobe with one keel which splits into three prominent fingers terminating about one-third from the apex of the lip; this specimen has one high, narrow keel which abruptly terminates at the mid-point of the lip and two low mounds which continue to the apex; with the aid of two taxonomists knowledgeable with this Thai Section of Dendrobium, we determined that it is not D. dixonianum; it appears to be an unknown species at this time.***

Judging Center: Mid-America Judging Center

Award Number: 20193750

Award Date: September 14, 2019

Awarded As: Dendrobium dixonianum

Eleven flowers on two erect inflorescences; plant grown in sphagnum on a 13.5-cm by 6.5-cm tree fern mount; sepals and petals white; lip reflexed, yellow striped green basally; column and anther cap light green; substance firm; texture crystalline; commended for rarity in culture.

Plant Leaf > number of leaves per growth or cane: 4

Plant > Leaf Length: 3.7

Plant > Leaf Width: 0.6

Plant > Leaf Shape: lanceolate

Plant > Leaf petiole length (apex of pseudobulb or stem to leaf base proper): 1.6

Plant > Pseudobulb/Growth/Ramicaul Length: 2.3

Plant > Pseudobulb/Growth/Ramicaul Width: 0.7

Plant > Pseudobulb/Growth/Ramicaul Margin: entire

Plant >Pseudobulb/Growth/Ramicaul Root Tip Color: green

Inflorescence > Overall Length: 3.4

Inflorescence > Arrangement: raceme

Inflorescence > Distance from base of inflorescence to first bud or branch: 1.6

Inflorescence > distance between flowers along inflorescence: 0.6

Inflorescence > distance from inflorescence to base of sepals: 0.6

Inflorescence > distance from inflorescence to base of sepals: 0.6

Inflorescence > Ovary Length: 0.3

Inflorescence > Ovary Width: 0.1

Inflorescence > Ovary Color: light gree

Inflorescence > Ovary Texture: crystalline

Flower Natural Spread Length: 1.4

Flower Natural Spread Width: 1.9

Flower > Dorsal Sepal Length: 1.0

Flower > Dorsal Sepal Width: 0.3

Flower > Lateral sepals or synsepal Length: 1.0

Flower > Lateral sepals or synsepal Width: 0.5

Flower > Petals Length: 0.8

Flower > Petals Width: 0.2

Flower > Lip or Pouch Length: 0.9

Flower > Lip or Pouch Width: 0.4

Flower > Column Length: 0.3

Flower > Column Width: 0.1

Flower > Column Color: light green

Flower > Anther Cap Color: light green


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