Found growing out of the rocky beachside along with moss and berry brambles
Leaves are linear and undulate, about 3inches long
Stems are trailing like pea vines
One flower is present: 4 pink petals with a yellow pistil
First two photos show seedlings -- wild plants. The later photos show the parent tree. Earlier photos of these seedlings & adult: 74483352, 83428771, and 84303685