Directory       News       Site Map       Home
         
    Jepson eFlora: Taxon page
Key to families | Table of families and genera

Previous taxon Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
Previous taxon

OLEACEAE OLIVE FAMILY

Family description, key to genera by Thomas J. Rosatti; treatment of genera by James Henrickson, except as noted

Perennial herb to tree [vine], hairs 0 or peltate or not; rarely dioecious. Leaf: simple to odd-pinnately compound, alternate or generally opposite, deciduous or evergreen; stipules 0. Inflorescence: various; flowers >= 1. Flower: generally bisexual, generally radial; calyx generally minute (0), tube cup-shaped, lobes 4–15; petals (0)4–6(8), generally fused; nectar disk often present; stamens (0)2(4–5), epipetalous; pistil 1, ovary superior, chambers 2, each 2–4 ovuled, placenta axile, style 1, stigma generally 2-lobed. Fruit: drupe, capsule, or winged achene. Seed: 1 per chamber.
± 25 genera, 900 species: ± worldwide; some cultivated for ornamental (Forsythia; Jasminum, jasmine; Ligustrum, privet; Syringa, lilac) or food (Olea, olive). [Lee et al. 2007 Molec Biol Evol 24:1161–1180] —Scientific Editor: Bruce G. Baldwin.
Unabridged references: [Jensen et al. 2002 Phytochemisty 60:213–231; Kim & Jansen 1998 Amer J Bot 85(6): Suppl. 139; Wallander & Albert 2000 Amer J Bot 87(12):1827–1841]

Key to Oleaceae

OLEA OLIVE
Tree [shrub]. Leaf: simple, opposite, short-petioled, entire, leathery. Inflorescence: raceme or panicle, axillary or terminal. Flower: generally bisexual; calyx 4-toothed to -lobed; corolla rotate, lobes 4; stamens 2; ovary 1. Fruit: drupe.
20 species: tropics, warm temperate Eurasia, Africa. (Greek: ancient name)

O. europaea L.
NATURALIZED
Tree generally < 10 m. Stem: trunks becoming gnarled; bark gray, with age furrowed. Leaf: petiole 2–7 mm; blade 20–70 mm, 6–16 mm wide, narrowly elliptical to oblanceolate, green adaxially, closely silver-scaly adaxially. Inflorescence: axillary, narrow raceme-like panicle, 15–40 mm, branches opposite; bract 1–3 mm; pedicel 1–3 mm; flowers in 1–3s. Flower: calyx cup-like, 4-toothed, ± 1 mm; corolla 2.5–4 mm, white, tube < 1 mm, lobes 4, 2–3.5 mm, 1.5–2 mm wide, ovate-elliptical, margins inrolled; stamens 2, filaments < 1 mm; anthers yellow, 1.5–2.5 mm; ovary superior, ± 1 mm, style < 1 mm, stigma ± head-shaped, ± 1 mm; some ovaries not developing. Fruit: 9–20 mm, ovoid, oily, green, becoming black.
2n=46. Generally waif, persisting from cultivation; < 200 m. s North Coast Ranges, Great Central Valley, Central Coast, San Francisco Bay Area, w Outer South Coast Ranges, South Coast, n Channel Islands (Santa Cruz Island); native to western Asia. [Olea europaea subsp. africana (Mill.) P.S. Green] Introduced widely; cultivated for food and cooking oil in Mediterranean for ± 6000 years. Feb–Jun {Weed listed by Cal-IPC} [Online Interchange]

Previous taxon: Olea
Next taxon: Onagraceae

Contact/Feedback

Name search

Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 18 2014
Citation for this treatment: [Author of taxon treatment] 2012. Olea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=35090, accessed on Apr 18 2014

Copyright © 2013 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.


Bioregions in which Olea europaea occurs Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
READ ABOUT YELLOW FLAGS
map of distribution 1
View elevation by latitude chart Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

 

CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.