Greetings, welcome to the Forums.
Please post photos of your plants including close-up shots of the unusual leaves.
Okra (Abelmoschus esculentus) in the Mallow Family (Malvaceae) is known for having variably shaped leaves.
By Rowan, you mean a species of Sorbus, in the Rose family (Rosaceae)? Rowan leaves are usually pinnately compound.
Rowan (Sorbus spp.), also known as Mountain-ash, are deciduous trees or shrubs, with various species native to North America, Greenland, Iceland, the British Isles, Europe, Asia, and Japan.