Dracaena serrulata
An endangered single-trunked dragon tree, up to about 5 m tall, from the mountains of southern Arabia. It grows on the high, dry plateaus behind the monsoon mountains of Oman and Yemen, where the summer fog and rain do not reach, and in western Saudi Arabia. In cultivation it wants full sun, very sharp drainage and sparing water.
Where it grows wild
Wikipedia says it is largely restricted to the highest, dry plateaus at the back of the monsoon mountains, beyond the reach of the monsoon rain. It grows with Vachellia etbaica and Grewia erythraea in open, rocky scrub.
12 records carry elevations from 1,000 to 2,300 m, median 1,550 m.
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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More Dracaena
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY 2.0 licence, unmodified.