Jepson Flora Project: Jepson Interchange    

link to manual TREATMENT FROM THE JEPSON MANUAL (1993) previous taxon | next taxon
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.



Gary D. Wallace, except as specified

Perennial, shrub, tree
Stem: bark often peeling distinctively
Leaves simple, generally cauline, alternate, opposite, rarely whorled, evergreen or deciduous, often leathery, petioled or not; stipules 0
Inflorescence: raceme, panicle, cyme, or flowers solitary, generally bracted; pedicels often with 2 bractlets
Flower generally bisexual, generally radial; sepals generally 4–5, generally free; petals generally 4–5, free or fused; stamens 8–10, free, filaments rarely appendaged, anthers awned or not, dehiscent by pores or slits; nectary generally at ovary base, disk-like; ovary superior or inferior, chambers generally 1–5, placentas axile or parietal, ovules 1–many per chamber, style 1, stigma head- to funnel-like or lobed
Fruit: capsule, drupe, berry
Seeds generally many, sometimes winged
Genera in family: ± 100 genera, 3000 species: generally worldwide except deserts; some cultivated, especially Arbutus, Arctostaphylos, Rhododendron, Vaccinium
Reference: [Wallace 1975 Wasmann J Biol 33:1–88; 1975 Bot Not 128:286–298]
Subfamilies Monotropoideae, Pyroloideae, Vaccinioideae sometimes treated as families. Nongreen plants obtain nutrition from green plants through fungal intermediates.



Shrub, tree, glabrous to hairy, rhizomed or not; burls generally 0
Stem trailing to erect
Leaves alternate
Inflorescence: raceme or flowers solitary, bracted; bud scales present; bractlets generally 2
Flower: sepals 4–5, 2/3 to fully fused (lobes then 0); petals generally 4–5, ± 2/3 fused, cylindric to urn- or cup-shaped, generally white; stamens 8 or 10, filaments generally glabrous, anthers elongate, dehiscent by pores on small tubes, awned or not; ovary inferior, chambers 4–5 (or appearing 10 by intrusion of ovary wall), placentas axile, stigma head-like
Fruit: berry
Seeds generally many
Species in genus: 400+ species: temp n hemisphere, tropical mtns, Africa
Etymology: (Latin: for V. myrtillus L.)
[Vander Kloet 1988 The genus Vaccinium in North America]


V. ovatum Pursh


Shrub, hairy; rhizome 0
Stem erect, 0.5–3 m, stout, generally not rooting; twigs not angled, grayish
Leaves evergreen, 2–5 cm; blade elliptic to lanceolate, leathery, serrate, lower surface with sparse, dark glandular hairs, veins not prominent
Inflorescence umbel-like, axillary, dense; bractlets 2; pedicels jointed to flower
Flower: sepals 5, fused at base, lobes deltate; corolla < 8 mm, urn-shaped, lobes < tube, erect to spreading when anthers open; filaments ± hairy, anthers often short-awned
Fruit 6–9 mm, black, sometimes glaucous
Chromosomes: 2n=24
Ecology: Edges, clearings in coniferous woods
Elevation: 3–800 m.
Bioregional distribution: North Coast, Klamath Ranges, Outer North Coast Ranges, Central Coast, San Francisco Bay Area, n Channel Islands (Santa Cruz, Santa Rosa islands), Western Transverse Ranges, Peninsular Ranges (uncommon)
Distribution outside California: to British Columbia
Synonyms: var. saporosum Jeps
Horticultural information: DRN: 4, 5 &IRR: 6, 17 &SHD: 7, 14, 15, 16, 22, 23, 24; acidic soil; CVS.

previous taxon | next taxon
bioregional map for VACCINIUM%20ovatum being generated

Retrieve Jepson Interchange Index to Plant Names entry for Vaccinium ovatum
Retrieve dichotomous key for Vaccinium
Overlay Consortium of California Herbaria specimen data by county on this map
Show other taxa with the same California distribution | Read about bioregions | Get lists of plants in a bioregion
Return to the Jepson Interchange main page
Return to treatment index page

University & Jepson Herbaria Home Page |
General Information | University Herbarium | Jepson Herbarium |
Visiting the Herbaria | On-line Resources | Research |
Education | Related Sites
Copyright © by the Regents of the University of California