Dendrosicyos
Dendrosicyos
3
species Cucurbitaceae
Morphological Summary
Monotypic genus of the family Cucurbitaceae endemic to the island of Socotra (Yemen), the only true tree in the entire cucumber family. Its name literally means "cucumber tree" (dendro = tree, sicyos = cucumber). Dendrosicyos socotrana is a caudiciform tree with a very swollen pachycaul trunk of whitish, papery bark, adapted to the extreme arid conditions of the island. Socotra Island harbours one of the highest levels of botanical endemism on the planet and is a UNESCO World Heritage Site. This tree is one of the most iconic symbols of Socotran flora.
Distribution Socotra Island (Yemen, Indian Ocean) — endemic
Conservation Vulnerable according to IUCN; threatened by overgrazing and climate change
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eco
Dendrosicyos socotrana Balf.f.
Socotra cucumber tree
Specimen ID RN-DNDS-00001
Origin Isla de Socotra (Yemen)
Type Caudiciform tree
eco
success
Dendrosicyos socotranus
Socotra Cucumber Tree
Specimen ID RN-DNDS-00002
Origin Socotra (Yemen) — endémica de la isla; también reportada históricamente en Djibouti
Type species
eco
primary
Dendrosicyos socotranus (forma juvenil / plántula)
Socotra Cucumber Tree — juvenile form
Specimen ID RN-DNDS-00003
Origin Socotra (Yemen) — especímenes en cultivo, procedencia viveros especializados
Type cultivar