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.

PRIMULACEAE

PRIMROSE FAMILY

Anita F. Cholewa and Douglass M. Henderson

Annual, perennial herb, subshrub, glabrous to glandular-hairy
Leaves simple, basal or cauline, alternate, opposite, or whorled, sessile or petioled; stipules 0
Inflorescence sometimes scapose
Flower bisexual, radial; parts generally in 4's or 5's; calyx deeply lobed, often persistent; corolla lobes spreading to reflexed; stamens epipetalous, opposite corolla lobes; ovary generally superior, 1-chambered, placenta basal or free-central, style 1, stigma head-like
Fruit: capsule, circumscissile or 2–6-valved
Seeds small, few–many
Genera in family: ± 25 genera, 600 species: especially n hemisphere; several ornamental (Cyclamen , Dodecatheon , Primula )
Reference: [Channell & Wood 1959 J Arnold Arbor 40:268–288]

LYSIMACHIA

LOOSESTRIFE

Perennial
Leaves cauline, opposite or whorled, sessile or petioled, lanceolate to widely ovate, gland-dotted, entire
Inflorescence: raceme, panicle, or flower solitary
Flower: parts generally in 5's or 6's; corolla > calyx, yellow; filaments free or fused at base; ovary superior
Fruit 5–6-valved, ovate
Species in genus: 100 species: generally n temp
Etymology: (Greek: loose dagger)
Reference: [Ray 1956 Illinois Biol Monogr 24:1–160]

Introduced

L. nummularia L.

MONEYWORT


Stem often rooted at nodes, sometimes branched, 20–50 cm, glabrous
Leaf 1.5–2.5 cm, ovate to widely so; base truncate to rounded; petiole 2–4 mm
Flower: calyx lobes 5–13 mm; corolla lobes cordate-ovate; filaments free or ± fused at base, erect, wider at base, glandular
Fruit < calyx
Chromosomes: 2n=36
Ecology: Moist meadows
Elevation: ± 1000 m.
Bioregional distribution: n High Sierra Nevada (near Quincy, Plumas Co.)
Distribution outside California: e US; native to Europe

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