P. r. subsp. makayense
by Marc Altenloh.
This one is P. r. var. horombense
seen at Specks.
This member of the Apocynaceae
family was described by John Gilbert Baker in 1882. It
is found on Madagascar, growing in a well drained soil with some
water and some sun. The stem will grow up to 10 centimetres in
diameter and reach a height of 25 centimetres. The flowers are