Citation: Ruiz Lopez & Pavón, Fl. Peruv. Prod. 20 (1794).

Derivation: Named in honour of F. F. Navarrete, a Spanish physician.

Synonymy: Not Applicable

Common name: None

Description:
Annual, glandular-pubescent, with alternate pinnate- to bipinnate-dissected leaves.

Inflorescence dense cymose heads with sessile flowers and many spinescent bracts; sepals 5, connate, with erect spinescent lobes, persistent; petals 5, connate to form a slender funnel-shaped tube with short spreading rounded lobes; stamens inserted at about the middle of the corolla tube; ovary 3-celled, abruptly constricted into a slender style with a 3-lobed stigma.

Capsule with numerous fine seeds.

Distribution:  About 30 species in western North America and 1 in Chile.

Biology: No text

Author: Not yet available