B and T World Seeds' reference number:
|Othonna herrei x cremnophylla nat. hyb. sales history
Othonna herrei x cremnophylla nat. hyb.
is included in the following
B and T World Seeds flowering plant categories.
|26||: Succulent Plant Seed List|
|37||: South African Native and Introduced Plants|
|43||: Herbaceous Border Plant Seed List|
|185||: Plant Species whose germination is improved by Smoke|
|"Smoke" contains a butenolide compound produced by certain plants when heated, it speeds up or starts the germination of seeds from many different genera.|
|720||: Fire Resistant Plants|
|Different classes of resistance: some grow back, some don't burn, a few have highly inflammable leaves that leave the rest of the plant intact, some trees don't have lower branches.|