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]

ANAGALLIS

PIMPERNEL

Annual, perennial herb, low, spreading
Stem diffusely branched
Leaves cauline, opposite or whorled, ± sessile, generally entire
Inflorescence: flowers solitary in axils, pedicelled
Flower: parts in 5's; calyx = or < corolla, persistent; filaments free or fused at base, hairy, anthers oblong; ovary superior, spheric, style thread-like
Fruit circumscissile, spheric
Species in genus: 20 species: generally Eurasia
Etymology: (Greek: pimpernel)

Introduced

A. arvensis L.

POOR-MAN'S WEATHERGLASS, SCARLET PIMPERNEL

Annual, glabrous
Stem 5–40 cm
Leaf sessile; blade 5–20 mm, ovate to elliptic
Flower: pedicel 1–3 cm, recurved in fruit; calyx lobes 3–5 mm, lanceolate; corolla 7–11 mm wide, salmon to blue
Chromosomes: 2n=40
Ecology: Common. Disturbed places, ocean beaches
Elevation: generally < 1000 m.
Bioregional distribution: California Floristic Province
Distribution outside California: to e N.America; native to Europe
TOXIC to livestock, humans. A. linifolia L. (per; corolla > 15 mm wide) reported from Siskiyou, Monterey cos.; apparently a waif.

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