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.



James R. Shevock

Perennial, shrubs, trees, very aromatic, sometimes thorny
Leaves generally alternate, simple to pinnately compound (sometimes reduced to spines), prominently oil-gland-dotted; stipules 0
Inflorescence: cyme, raceme, or flowers solitary, generally bracted
Flower generally bisexual, generally strongly aromatic; sepals generally 5, free or fused at base, generally persistent; petals generally 5, free or fused at base, generally whitish or greenish; stamens generally 2–4 X petal number; ovary generally superior, generally lobed, chambers generally 4–5, ovules generally many
Fruit: berry, drupe, winged achene, or capsule, generally aromatic
Seeds generally oily
Genera in family: ± 150 genera, ± 1500 species: especially tropical, warm temp, especially s Africa, Australia; used or cultivated for food (Citrus , 50 species), perfume, medicine, timber, ornamental (Choisya, Skimmia , etc.). Some TOXIC: oils may promote localized sunburn or produce dermatitis.


Species in genus: 1 sp.: s CA, Baja CA
Etymology: (Latin: resembling Cneorum , an old world genus)


C. dumosum (Nutt.) Baill.


Shrub, generally < 1.5 m, glabrous, evergreen
Stem intricately branched
Leaves opposite, simple, 1–2.5 cm, ± linear, entire, glabrous
Inflorescence: cluster, generally axillary; flowers 1–3
Flower: calyx 4-lobed, 1–1.5 mm; petals 4(5), 5–6 mm, obovate, white; stamens 8, longest opposite sepals, filaments wider at base; ovary sessile, chamber 1, ovules 2, style short, flat, from near ovary base, stigma head-like
Fruit: berry, 5–6 mm diam, reddish brown, spheric, resin-dotted
Seeds 1–2, 5–6 mm, ± spheric, dark brown
Ecology: Mesas, bluffs near coast
Elevation: < 800 m.
Bioregional distribution: s South Coast, s Channel Islands (San Clemente Island)
Distribution outside California: Baja California
Horticultural information: DRN: 14, 15, 16, 17, 18 &IRR: 8, 9, 19, 20, 21, 22, 23, 24.

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