Oenothera claviformis Torrey & Frémont subsp. funerea P. H. Raven, Univ. Calif. Publ. Bot. 34: 106. 1962 (as clavaeformis); Camissonia claviformis (Torrey & Frémont) P. H. Raven subsp. funerea (P. H. Raven) P. H. Raven; C. claviformis var. funerea (P. H. Raven) Cronquist

Herbs strigillose proximally, often densely so. Stems 6–60 cm. Leaves: blade lateral lobes usually present, but often poorly developed, sometimes absent, terminal lobe ovate to cordate, to 8 × 4.5 cm, margins dentate. Flowers opening at sunset; buds usually with conspicuous, subapical free tips; floral tube orange-brown inside, 3–5.5 mm; petals white, often fading purple, 3.5–7.5 mm. 2n = 14.

Flowering Feb–May. Dry slopes, flats, with Ambrosia dumosa and Larrea tridentata; -80–900 m; Calif.

Subspecies funerea is known from Eureka and Saline valleys, and the region of Death Valley, Inyo County, and northernmost San Bernardino County. It intergrades with subspp. aurantiaca and claviformis; sometimes it hybridizes with Chylismia brevipes subsp. brevipes and C. munzii.