Pachypodium Eburneum Origin and Habitat: It comes from a tiny isolated area in the Mount Ibity region in central Madagascar (province of Antananarivo). Pachypodium eburneum is known from two subpopulations (Ibity and Andranomangatsiaka). One of these has been extirpated and the remaining subpopulation is not located within a protected area. It has an area of occupancy of 9 km2 and it has one location. The total number of individuals in probably under 100 but the number of mature individuals has not been quantified. It may now be extinct in the wild.
Habitat and ecology: Pachypodium eburneum grows in subhumid woodlands and on inselbergs or rock faces on quartzitic rocks. This species can be found with these associated species: Pachypodim brevicaule, Pachypodium densiflorum, Uapaca bojeri, Aloe capitata and Sarcolaena oblongifolia. In addition, the species experiences continuing decline due to illegal collection for the horticultural trade and loss of habitat caused by annual wildfire. It is therefore assessed as Critically Endangered.
germination instructions
There is no pre-treatment of the seeds required.
The seeds are sown in mineral-based cat litter (no clumping litter) or perlite (germ-free) in plastic-pots or in pure cocopeat. Please sow the seeds on the mineral soil. Bigger seeds need to be covered with the mineral soil, small seeds should remain on the surface.
Then put the plastic pot in a ziplock bag – with a pot size of 6 cm , a ziplock bag of size 12 x 17 cm is recommended . Fill in the ziplock bag as much tap water with a few drops of universal fertilizer, so that after the absorption of the substrate a few mm of water remain on the bottom. Then close the ziplock bag – Ready!
More watering is not required because no moisture evaporates through the ziplock bag .
Location: on the windowsill or in a small greenhouse in partial shade, daytime temperatures at about 25-30C, somewhat lower at night at 20-22. The resulting micro-climate provides ideal conditions for germination.
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