TREATMENT FROM THE JEPSON MANUAL (1993)	previous taxon | next taxon Jepson Interchange (more information)
	©Copyright 1993 by the Regents of the University of California

POLEMONIACEAE

PHLOX FAMILY

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
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LINANTHUS

Robert W. Patterson

Annual, perennial herb
Stem generally erect, generally branched from base
Leaves cauline, opposite, entire or palmately 3–9-lobed; lobes linear to narrowly lanceolate or spoon-shaped
Inflorescence head-like, open, or flower solitary; bracts leaf-like; flowers sessile or pedicelled
Flower: calyx tubular, or lobes nearly free, bordered by translucent membrane; corolla funnel-shaped, salverform, or bell-shaped; stamens attached at same level, pollen yellow
Species in genus: 41 species: w North America, Chile
Etymology: (Greek: flax flower)
Reference: [Patterson 1977 Madroño 24:36–48]

Native

L. jonesii (A. Gray) Greene

Annual, glandular-hairy
Stem 3–15 cm
Leaf 10–20 mm, linear, curved outward, entire
Inflorescence: cyme
Flower opening in evening; calyx 7–8 mm, glandular, membrane wider than ribs; corolla funnel-shaped, tube 5–6 mm, white, throat yellow, lobes 3–5 mm, white or cream-yellow, light purple shading on back; stamens included
Ecology: Sandy flats, washes
Elevation: < 900 m.
Bioregional distribution: Desert
Distribution outside California: Arizona, Baja California
Flowering time: Mar–May