They seeds look similar to that of desmodium gangeticum, with those I break open the outer husk/seed pod with my finger nails & surface sow, and give em the hot water treatment with an overnight soak to allow them to absorb water, sprinkle a tiny amount of soil on top and keep moist, looking forward to obtaining seeds for phyllodium when they become available, keep me on the loop, good luck with germination, :-) MU