Jepson Flora Project: Jepson Interchange    

 
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Jepson Interchange (more information)
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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
.

GILIA

Alva G. Day

Annual, perennial herb, generally erect
Stem glabrous, hairy, glandular, or cobwebby
Leaves simple, generally alternate; basal generally in rosette, toothed, pinnately lobed, or entire; cauline generally reduced; leaf tips, calyx lobes acute, acuminate, or needle-like
Inflorescence: flowers solitary or clustered, 1–many in axils of bracts
Flower: calyx membranous between ribs, membrane splitting or expanding; corolla > calyx, lobes generally ovate
Fruit generally ovoid; chambers 3, valves separating from top
Seeds 3–many, brown, generally gelatinous when wet
Species in genus: ± 70 species: w North America, South America
Etymology: (Felipe Gil, 18th century Spanish botanist)

Native

G. latiflora (A. Gray) A. Gray

BROAD-FLOWERED GILIA

Plant ± scapose
Leaves: basal in prostrate rosette, 2–7 cm, cobwebby, strap-shaped, toothed or lobed, lobes spreading; cauline shorter, clasping, entire or lobed at base, tapered
Inflorescence generally loose; pedicels unequal
Flower showy, fragrant; calyx slightly glandular, or early flowers cobwebby; corolla 10–35 mm, tube purple, upper throat, base of lobes white, tips lavender; stamens exserted, < lobes; style > stamens
Fruit generally > calyx
Ecology: Generally deep sandy soils
Elevation: 700–1500 m.
Bioregional distribution: Inner South Coast Ranges, n Transverse Ranges, s&w Mojave Desert.Forms showy displays. Sspp. variable within populations, intergrading where ranges overlap.

Native

subsp. davyi (Milliken) A.D. Grant & V.E. Grant


Stem 10–30 cm, glabrous, glaucous below middle, or cobwebby
Inflorescence: cluster in flower, loose in fruit
Flower: calyx 4–7 mm; corolla 18–24 mm, 3 X lobe length, tube exserted, throat generally long-tapered, purple to middle or higher
Fruit 6–9 mm
Ecology: Common. Open, sandy flats
Elevation: 700–1200 m.
Bioregional distribution: Inner South Coast Ranges, s&w Mojave Desert
Flowering time: Mar–May
Synonyms: G. latiflora subsp. excellens (Brand) A.D. Grant & V.E. Grant
Horticultural information: DRN, SUN: 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

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