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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PHLOX

Robert W. Patterson and Dieter H. Wilken

Annual, perennial herb
Stem prostrate to erect, or tufted to cushion-like
Leaves cauline, opposite, simple, sessile, linear-lanceolate to elliptic, entire
Flower: corolla salverform; stamens attached at different levels, some stamens unequal
Species in genus: ± 60 species: Am, Siberia
Etymology: (Greek: flame, ancient name for Lychnis of Caryophyllaceae)
Reference: [Cronquist, A. 1984. in Intermountain Flora, V.4.]

Native

P. speciosa Pursh

Perennial
Stem erect; branches open
Leaf 1–5 cm, linear-lanceolate
Inflorescence terminal; lower parts with leafy bracts; flowers few; peduncles 3–20 mm, slender
Flower: calyx 7–10 mm; corolla bright pink to white, tube 10–15 mm, lobes obcordate to deeply 2-lobed; stamens very short, anthers well hidden in corolla tube; style 2–4 mm, stigmas > style
Ecology: Rocky, wooded slopes
Elevation: 500–2400 m.
Bioregional distribution: Klamath Ranges, North Coast Ranges, Cascade Range, Sierra Nevada
Distribution outside California: to British Columbia, Montana

Native

subsp. occidentalis (Torr.) Wherry

Plant puberulent (sometimes nearly glabrous), sometimes glandular, especially in calyx
Ecology: Habitat and range of sp
Elevation:
Bioregional distribution: Klamath Ranges, North Coast Ranges, Cascade Range, Sierra Nevada
Horticultural information: TRY; DFCLT.

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