Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

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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
.

NAVARRETIA

Alva G. Day

Annual, generally erect; branches spreading or ascending, hairy, glandular or puberulent
Leaves simple, alternate, generally deeply pinnately lobed or entire
Inflorescence: head; bracts pinnately to palmately toothed or lobed, spine-tipped; flowers sessile or subsessile
Flower: calyx membranous between ribs, lobes 4–5, entire or toothed, unequal, spine-tipped; corolla lobes 4–5; stigmas 2 or 3
Fruit generally ovoid, chambers 1–3
Seeds 1–many per chamber, free or stuck together, brown, gelatinous when wet
Species in genus: ± 30 species: w North America, also in Argentina, Chile
Etymology: (F. Navarrete, Spanish physician, 1700's)

Native

N. divaricata (A. Gray) Greene

MOUNTAIN NAVARRETIA


Stem 2–10 cm; branches paired or whorled, 2–5 below heads, spreading, slender, brown or purple, puberulent or hairy
Leaves: basal thread-like, glabrous, entire; cauline pinnate, lobes thread-like, abruptly pointed
Inflorescence: bracts and calyces white-hairy at middle, outer bracts palmate, middle lobe > lateral
Flower: corolla included or exserted, lobes < 2 mm; stamens, style included; stigmas 3, minute
Fruit 2–4 mm, dehiscing from tip to base
Ecology: Common. Open, gravelly (often volcanic) areas
Elevation: 300–2600 m.
Bioregional distribution: Northwestern California, Cascade Range, Sierra Nevada, s Outer South Coast Ranges (Santa Barbara Co.), Modoc Plateau
Distribution outside California: to Washington, Idaho

Native

subsp. vividior (Jeps. & V.L. Bailey) H. Mason


Inflorescence: longest bracts 7–20 mm, bract lobes glandular-puberulent to tip
Flower: corolla 5–7 mm, exserted, dark blue-violet
Seeds 6–8 per chamber
Ecology: Clay or volcanic soil
Elevation: 600–1900 m.
Bioregional distribution: Northwestern California, Cascade Range, Sierra Nevada, Modoc Plateau
Distribution outside California: Oregon
Horticultural information: TRY.

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