Many of these plants are perennial epiphytes growing on rotten logs and they have thick stems and fleshy leaves, some with leaf windows.
(Many of these plants; are; perennial epiphytes growing on rotten logs) (perennial epiphytes; growing; L:on rotten logs) (they; have; thick stems and fleshy leaves)
Many of these plants perennial epiphytes they
are growing have
perennial epiphytes growing on rotten logs
L:on rotten logs
thick stems and fleshy leaves