scabrous or glabrous, shrubby, with angular branches; leaves alternate, occasionally sub-opposite or ternate, approximate, spreading, linear, with revolute margins, mucronate, obtuse at base; racemes lateral and terminal, few-flowered, conspicuously pedunculate; peduncle angular, spreading, pedicels as long as the flower; bracts persistent, subulate, acute; alæ cordate-ovate, oblique, obtuse or sub-acute; lateral petals deeply bilobed, both lobes obtuse and nearly equal. An erect, sparingly branched shrub, 1–2 feet high, with virgate branches. Racemes mostly lateral, 2–6-flowered, on widely spreading peduncles 1–2 inches long; the flowers resembling those of P. myrtifolia and equally large.