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

    THIS PAGE IS NO LONGER UPDATED
    AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
  • Up-to-date information about California vascular plants is available from the Jepson eFlora.

RUTACEAE

RUE FAMILY

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.

PTELEA

HOP TREE

Shrub, small tree, generally with bisexual and pistillate flowers
Leaves pinnately compound; leaflets 3–5, ± sessile, entire to finely serrate
Inflorescence panicle-like
Flower: sepals 4–5; petals 4–5, greenish white; stamens 4–5, filaments hairy on inner side; ovary chambers 2, style short, stigmas 2
Fruit dry, indehiscent, ± flat, gland-dotted; wing prominent, round
Seeds 2
Species in genus: 3 species: US, Mex
Etymology: (Greek: elm, from similar fruit)

Native

P. crenulata Greene

Plant generally < 5 m
Leaves deciduous; leaflets 3, 2–7 cm, lanceolate to obovate, glabrous above, ± hairy beneath; petiole 2–5 cm
Inflorescence ± flat-topped
Flower: sepals minute; petals 4–5 mm, fragrant
Fruit 1–2 cm, ± straw-colored; wing ± notched at both ends; style persistent
Ecology: Scrub, woodland
Elevation: generally < 700 m.
Bioregional distribution: Inner North Coast Ranges, Cascade Range Foothills, Sierra Nevada Foothills, San Francisco Bay Area
Horticultural information: 7, 14, 15, 16, 17; IRR: 8, 9, 18, 19, 20, 21, 22, 23, 24.

previous taxon | next taxon
bioregional map for PTELEA%20crenulata being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Ptelea crenulata
Retrieve dichotomous key for Ptelea
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
Glossary


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