Lupinaster macrocephalum). Growth habit like that of T. longipes. Stems 10-30cm long. Leaflets five to nine, oblong to obovate, cuneate, mucronate, 8-20mm long. Stipules oblong-ovate, 8-18mm long. Flowers 2- 3cm long, purple, many in shortly ovoid heads, early summer. British Columbia to California and Idaho, in dry habitats at 600-1760m.