Lopezia

Lopezia is a genus of plants of the family Onagraceae, largely restricted to Mexico and Central America.

Description
Herbs or shrubs, mostly freely branched. Leaves petioled, alternate, or the lower opposite, simple. Flowers -solitary, small, pedicelled, in upper axils of sometimes much reduced leaves. Floral tube inconspicuous. Sepals 4, mostly red, narrow. Petals 4, dissimilar, white to rose, the 2 upper unguiculate, with none, one, or two glands at apex of claw; the 2 lower clawed and curved upward, glandless. Stamens 2, adnate to the style and connate with each other at the base, the posterior fertile, the anterior sterile, petaloid. Ovary 4-loculed; style short, filiform, with slightly enlarged and barely lobed stigma; ovules multiseriate, many. Capsule globose to clavate, coriaceous, 4-loculed and -valved. Seeds many, obovoid, granulate.

Taxonomy
The genus name of Lopezia is in honour of Manuel López-Figueiras (1915-2012), who was a (Spanish-) Venezuelan botanist (Mycology and Lichenology), from the University of Havana (in Cuba).

Distribution
It is found in Costa Rica, El Salvador, Guatemala, Honduras, Mexico and Panamá.

Species
According to Kew, there are 28 species are recognized in the genus Lopezia in 2022:
 * Lopezia ciliatula Plitmann, P.H.Raven & Breedlove
 * Lopezia clavata Brandegee
 * Lopezia concinna P.H. Raven
 * Lopezia conjugans Brandegee
 * Lopezia cornuta S. Watson
 * Lopezia coronata Andrews
 * Lopezia galeottii Planch.
 * Lopezia gentryi (Munz) Plitmann, P.H. Raven & Breedlove
 * Lopezia gracilis S. Watson
 * Lopezia grandiflora Zucc.
 * Lopezia hirsuta Jacq.
 * Lopezia integrifolia DC.
 * Lopezia laciniata (Rose) M.E. Jones
 * Lopezia langmaniae Miranda. The species name langmaniae was given in honor of Ida Kaplan Langman.
 * Lopezia longiflora Decne.
 * Lopezia lopezioides (Hook. & Arn.) Plitmann, P.H. Raven & Breedlove
 * Lopezia miniata Lag. ex DC.
 * Lopezia miniata subsp. paniculata (Seem.) Plitmann, P.H. Raven & Breedlove
 * Lopezia oaxacana Rose
 * Lopezia ovata (Plitmann, P.H. Raven & Breedlove) Plitmann
 * Lopezia pringlei Rose
 * Lopezia racemosa Cav.
 * Lopezia riesenbachia Plitmann, P.H. Raven & Breedlove
 * Lopezia semeiandra Plitmann, P.H. Raven & Breedlove
 * Lopezia sinaloensis Munz
 * Lopezia smithii Rose
 * Lopezia suffrutescens Munz
 * Lopezia trichota Schltdl.
 * Lopezia violacea Rose