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Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.

 

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

1. Leaf simple or generally pinnately compound, leaflets 0 or (1)3–9; fruit winged achene ..... FRAXINUS

1' Leaf simple; fruit capsule or drupe

2. Leaves generally alternate; fruit a deeply 2-lobed capsule ..... MENODORA

2' Leaves opposite or clustered; fruit a drupe

3. Flowers unisexual; corolla 0; stamens 0 or 4–5 ..... FORESTIERA

3' Flowers bisexual; corolla funnel-shaped, salverform, or rotate; stamens 2

4. Corolla funnel-shaped or salverform; fruit 1–4-seeded ..... LIGUSTRUM

4' Corolla rotate; fruit 1-seeded ..... OLEA

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Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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