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

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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COLLOMIA

Dieter H. Wilken

Annual, perennial herb
Stem hairy, glandular
Leaves alternate, simple, entire to generally pinnately lobed, linear to ovate; basal short-petioled; cauline sessile
Inflorescence: heads or clusters, terminal (or flowers 1–3 in axils)
Flower: calyx green, becoming straw-colored, membranous in age, generally bell-shaped, sinuses in fruit pleated to expanded; corolla salverform to funnel-shaped
Fruit ovoid to elliptic
Seeds 3 per chamber, oblong, generally gelatinous, brown
Chromosomes: 2n=16
Species in genus: 15 species: North America; also in s South America
Etymology: (Greek: glue, from wet seed surface)
Self-compatible; annual species self-pollinating; per species generally cross-pollinating
Reference: [Wilken et al. 1982 Biochem Syst Ecol 10:239–243]

Native

C. tinctoria Kellogg

Annual
Stem 2–8 cm, branched diffusely
Leaf linear-lanceolate, glandular, entire
Inflorescence axillary; flowers generally 2–3
Flower: calyx 5–7 mm, lobes long tapered, awned; corolla 8–11 mm, slender, tube maroon to violet, lobes pink; stamens attached at same level, 1–2 anthers exserted, stigma exserted
Ecology: Gravelly to rocky, open areas
Elevation: 600–2800 m.
Bioregional distribution: Klamath Ranges, High North Coast Ranges, High Cascade Range, n&c High Sierra Nevada, Western Transverse Ranges, Great Basin Floristic Province
Distribution outside California: to Washington, Idaho, Nevada
Flowering time: May–Aug

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