Duration: Annual

Nativity: Native

Lifeform: Forb/Herb

General: Habit: Annual. Stem: 3--70 cm. Plant strigose (glandular-hairy distally).

Leaves: Leaf: generally basal, generally 1-pinnate; terminal leaflet < 30 mm, narrowly ovate; lateral leaflets well developed, like terminal.

Flowers: Inflorescence: nodding. Flower: generally opening near dusk; hypanthium 3-5 mm; sepals 2--8 mm, sepal tips not free in bud (inconspicuously so); petals 2.5--8 mm, white generally fading purple, bases rarely purple-dotted; stamens +- equal.

Fruits: Fruit: ascending or spreading, 8--38 mm, wider to tip, straight or curved; pedicel 4--40 mm. Seed: 0.6--1.5 mm.

Ecology: Sandy flats, washes, creosote-bush scrub; Elevation: -70--900 m. feb-may

Distribution: southern California: southern Nevada, western Arizona, northern Baja California.

Notes: Cross-pollinated; the most complex, widespread sp. in genus; 11 subspecies, 8 in California.

Synonyms: Camissonia claviformis subsp. aurantiaca, Camissonia claviformis var. aurantiaca, Chylismia aurantiaca, Oenothera claviformis var. aurantiaca, Oenothera scapoidea var. aurantiaca

Editor: pasted from Jepson