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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. pulvinata (Wherry) Cronquist

Perennial, cespitose
Leaf 4–10 mm, lanceolate, coarsely ciliate; upper surface generally flat
Inflorescence terminal; flowers solitary, sessile
Flower: calyx 7–8 mm, generally glandular-puberulent; corolla white or pale pink, tube 8–10 mm
Ecology: Dry, rocky areas, subalpine forest, alpine fell-fields
Elevation: 3300–4300 m.
Bioregional distribution: High Sierra Nevada, East of Sierra Nevada
Distribution outside California: to Idaho, Colorado
Flowering time: Jul–Aug
Synonyms: P. caespitosa Nutt. var. p. (Wherry) Cronquist

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bioregional map for PHLOX%20pulvinata being generated
 


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