Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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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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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. androsaceus (Benth.) Greene

Annual, hairy
Stem decumbent to erect, 5–30 cm
Leaf: lobes 8–30 mm, narrowly oblanceolate to linear
Inflorescence head-like; bracts ciliate, outer surface generally glabrous; flowers sessile
Flower: calyx 6–8 mm, margin hairy, outer surface generally glabrous, membrane obscure; corolla salverform, tube 15–28 mm, pink or lavender, throat generally violet at base, yellow above, lobes 5–10 mm, lanceolate, pink; stamens attached in upper throat
Chromosomes: 2n=18
Ecology: Open or shaded areas in woodlands, chaparral
Elevation: < 1200 m.
Bioregional distribution: North Coast Ranges, San Francisco Bay Area. Many variants often placed here are synonyms of L. parviflorus
Recent taxonomic note: *Leptosiphon androsaceus Benth.
Horticultural information: TRY.

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