Oenothera scapoidea Torrey &A. Gray subsp. brachycarpa P. H. Raven, Univ. Calif. Publ. Bot. 34: 95. 1962; Camissonia scapoidea (Torrey & A. Gray) P. H. Raven subsp. brachycarpa (P. H. Raven) P. H. Raven

Leaves: blade with lateral lobes few or absent, sometimes well developed, terminal lobe narrowly ovate to ovate or, sometimes, elliptic, 1–6.5 × 0.7–3.3 cm, margins irregularly dentate, oil cells on abaxial surface conspicuous, dark brown. Flowers: petals 1.8–4 mm. Capsules 8–20(–28) mm. 2n = 14.

Flowering May–Jun. Sandy slopes and flats, with Artemisia, Grayia, or Juniperus; 700–2000 m; Idaho, Nev., Oreg., Utah.

Subspecies brachycarpa is known from southeastern Oregon, southwestern Idaho, northwestern Utah, and northeastern Nevada.