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.



Nancy Morin, except as specified

Annual to tree
Leaves generally cauline, generally simple, generally alternate, petioled or not; stipules 0
Inflorescence: panicle, raceme, spike, or flowers solitary in axils, generally open; bracts leaf-like or not
Flower: bisexual, radial or bilateral, sometimes inverted (pedicel twisted 180°; hypanthium generally present, ± fused to ovary; sepals generally 5; corolla radial to 2-lipped, generally fused (tube sometimes split down back), lobes generally 5; stamens 5, free or ± fused (anthers and filaments fused into tube or filaments fused above middle); ovary inferior, sometimes half inferior, chambers 1–3, placentas axile or parietal, ovules many, style generally 1, 2–5-branched
Fruit: generally capsule, dehiscing on sides or at tip by pores or short valves
Seeds many
Genera in family: ± 70 genera, ± 2000 species: worldwide. Some cultivated for ornamental (Campanula, Jasione, Lobelia ). Subfamilies sometimes treated as different families.


Species in genus: 1 sp
Etymology: (brothers Samuel B. (1838–1928) & William F. Parish, botanical collectors)


P. californica A. Gray

Annual, glabrous to hairy
Stems branched from base, reclining, 1–10 cm
Leaves: basal rosette, persistent; petiole < 7 mm; blade 6–15 mm, 2–5 mm wide, oblanceolate, leathery, tip rounded, margin narrowly translucent
Inflorescence: clusters head-like, terminal; bracts oblanceolate, spreading to erect; pedicels in fruit 2–5 mm
Flower not inverted; hypanthium ± 3.5 mm; sepals 2–6 mm, oblanceolate; corolla white, tube 2–3 mm, flaring, lobes 5, 1–1.5 mm, subequal, oblong; filaments 2.5–3.5 mm, free at base, fused above middle, anthers equal, ± round, lower 4 appendaged at junction with tube, upper not; appendages rod-like, minute, translucent; ovary ± 2-chambered, stigma head-like, smooth
Fruit 3–3.5 mm, 2–3 mm wide; top dome-like, circumscissile
Seed ± 0.7 mm, elliptic; surface with 8–10 vertical, pitted rows, pits 10–12 per row
Ecology: Sandy or gravelly soils
Elevation: 650–1500 m.
Bioregional distribution: se Outer South Coast Ranges, s Inner South Coast Ranges (Caliente Range), Mojave Desert (San Bernardino Co.)
Flowering time: Apr–May

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