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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Robert W. Patterson, Family Editor

Annual, perennial herb, shrub, vine
Leaves simple or compound, cauline (or most in basal rosette), alternate or opposite; stipules 0
Inflorescence: cymes, heads, or flowers solitary
Flower: calyx generally 5-ribbed, ribs often connected by translucent membranes that are generally torn by growing fruit; corolla generally 5-lobed, radial or bilateral, salverform to bell-shaped, throat often well defined; stamens generally 5, epipetalous, attached at same or different levels, filaments of same or different lengths, pollen white, yellow, blue, or red; ovary superior, chambers generally 3, style 1, stigmas generally 3
Fruit: capsule
Seeds 1–many, gelatinous or not when wet
Genera in family: 19 genera, 320 species: Am, n Eur, n Asia; some cultivated (Cantua, Cobaea (cup-and-saucer vine), Collomia, Gilia, Ipomopsis, Linanthus, Phlox )
Recent taxonomic note: *See also revised taxonomy of Porter and Johnson 2000 Aliso 19(1):55–91; Porter 1998 Aliso 17:83–85


Steven L. Timbrook

Annual, bristly and generally soft; hairs unbranched
Stem erect, generally naked below, leafy above
Leaves alternate, simple, 1–4 cm, linear to oblanceolate, toothed; teeth with 1 bristle
Inflorescence: bracts leaf-like; pedicels glandular
Flower: calyx lobes equal, bristle-tipped, glandular-hairy; corolla 2-lipped, white to deep pink, upper lip generally 3-lobed with maroon arches above throat, lower lip 2-lobed, less marked; stamens attached at or below sinuses, unequal, curved, exserted, pollen yellow; style exserted
Fruit 2–5 mm, ovoid, 3-lobed in X -section; outer wall of valve indented between walls separating chambers
Seeds gelatinous when wet
Species in genus: 2 species: sw US, n Mex
Etymology: (Latin: like Loeselia )
Reference: [Timbrook 1986 Madroño 33:157–174]
Self-compatible; generally cross-pollinated.


L. matthewsii (A. Gray) S. Timbrook


Flower: corolla strongly bilateral, white to deep rose-purple, upper lip 5–11 mm, 3/4 to > tube, lobe bases with bright maroon arches and white blotch, lower lip 4–7 mm, lobe tips generally truncate, 3-toothed or notched, generally with inward directed projections in sinuses on either side of middle lobe of upper lip; longer stamens > upper lip
Ecology: Common. Desert washes, flats, slopes, sandy to gravelly soils
Elevation: generally < 1800 m.
Bioregional distribution: East of Sierra Nevada, Mojave Desert, w Sonoran Desert (eastern San Diego Co.)
Distribution outside California: Nevada
Flowering time: Mar–Jun
Synonyms: Langloisia m. (A. Gray) Greene
Horticultural information: TRY.

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