Euphorbia guillauminiana
Family: Euphorbiaceae
Native to Madagascar. It is a densely branched, hemispherical, succulent-stemmed shrub, up to 60(-100) m high, wit thick, branches with spines arranged in 8 rows, numerous towards the apex. The leaves are crowded at the apices of the stems. The flowers are yellow or red.
Sowing instructions: Sow seeds in summer in a well drained medium.
Locality: Ex Hort. Harvest: January 2025