Jepson Flora Project: Jepson Interchange    

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

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



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


Dieter H. Wilken

Stem erect, generally solitary, glabrous
Leaves 0
Inflorescence head-like; bracts leaf-like, in involucre; flowers 1–5
Flower: calyx urn-shaped, scarious, abruptly awned, puberulent; corolla salverform, white to lavender, throat generally yellow; stamens attached in throat, filaments 0
Fruit ovoid
Seeds 1–5 per chamber, angled
Species in genus: 2 species: w US
Etymology: (Greek, naked stem)
Reference: [Wherry 1944 Am Mid Nat 31:216–231]


G. parvula A. Heller

Stem < 7 cm
Inflorescence: bracts 2–13 mm, lanceolate to ovate, glabrous
Flower: calyx < 4 mm; corolla < 7 mm, tube = calyx, lobes generally oblong, acuminate, white or tinged pink
Ecology: Gravelly, sandy areas, generally in meadows or wet depressions in scrub
Elevation: 2400–3700 m.
Bioregional distribution: n&c High Sierra Nevada, East of Sierra Nevada
Distribution outside California: to Oregon, Wyoming, Colorado
Flowering time: May–Jun
G. nudicaulis (Hook. & Arn.) Greene, with corolla 8–12 mm, occurs in w NV, may be expected in SNE.

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