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Hexadesmia sessilis 'Venezuela' -spontaneous
Number: TN3945
Name: Hexadesmia sessilis 'Venezuela' -spontaneous
Type: spontaneous    (What's that?)
Seed Donor: Carol J. Watson  (Email:
No Photos Available
Culture Notes from Donor: Parent plant: Temperature range W (70-90°F). The plant is grown mounted on a cork slab.
Comments: Hexadesmia sessilis is a native of low to mid altitudes in Venezuela. It can produce new pseudobulbs on top of the prior bulbs, but this does not seem to be a common occurrence with this species. A fine sketch of the plant and flowers is in "Orchids of Venezuela, an Illustrated Field Guide" by G.C.K. Dunsterville and Leslie A. Garay (1979), Harvard University.

Parent plant: Blooms in mid-spring, each inflorescence usually producing two or more miniature white flowers opening sequentially. Small plant.
For additional origin/habitat information supplied courtesy of Charles and Margaret Baker, see further below, near the bottom of this page.

Temperatures we attempt to use in the lab & greenhouse:
For Species:   Spring, Summer, Autumn, Winter: days average 89°F, nights 68°F; best fit is Warm 90-70°F (Source: Baker's Web OSC)

About the name...
Etymology of sessilis   From Latin "sessilis" sitting, referring to the flower raceme. (Source: Mayr & Schmucker 1998)
Pronunciation of sessilis   SES-i-lis (Source: Hawkes 1978)
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Flask Information
Availability: Seed not viable- failed. We were not able to make any flasks.
You should: Consider placing a "Notify Retries" Request, and if an identical pollination (the same parents) is done again, we'll let you know.
You might also want to: View the seed assay for this item.
View items of the same species.
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The origin/habitat information below is supplied courtesy of Charles and Margaret Baker

The following information is based on the name of the plant provided by the donor, and assumes that the name is correct. If the plant has been misidentified, then the following information may not be correct.
This text is copyrighted by the Bakers and may not be reproduced without permission.

ORIGIN/HABITAT: Brazil, Bolivia, Peru, Venezuela, and possibly Colombia. Plants have also been reported from Mexico. In Venezuela, plants have been found in the southern and southwestern states of Apure, Barinas, Bolivar, and Tachira at 650-1950 ft. (200-600 m). They were found along the Río Carrao growing as epiphytes in rather bright forest. In Peru, they were collected (as S. reedii) growing as epiphytes in forest near Tingo Maria in the Department of Huánuco. In Mexico, the plants are reported to grow in the foothills of the Pacific slope and in the Balsas depression on hillsides in open, dry woodlands or oak forest and on lava flows. Most plants in the Mexican habitat are found at 1650-4600 ft. (5000-1400 m), but some have been reported from as high as 5900 ft. (1800 m).
More about this information and the Bakers...

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