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    THIS PAGE IS NO LONGER UPDATED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.

RHAMNACEAE

BUCKTHORN FAMILY

John O. Sawyer, Jr. (except Ceanothus)

Shrub, vine, tree, generally erect, often thorny
Leaves simple, generally alternate, often clustered on short-shoots, generally petioled, generally stipuled; blade often 1–3-ribbed from base
Inflorescence: cyme, panicle, or flowers solitary in axils
Flower generally bisexual, radial; hypanthium subtending, surrounding, or partly fused to ovary; sepals 4 or 5; petals 0, 4, or 5, clawed; stamens 4 or 5, alternate sepals, attached to hypanthium top, each generally fitting into a petal concavity; ovary superior or partly inferior, chambers 2–5, each 1–2-ovuled, style lobes or parts 1–3
Fruit: capsule, drupe
Genera in family: 55 genera, 900 species: especially tropical, subtropical; some cultivated (Ceanothus ; Colletia , anchor-plant; Gouania ; Phylica ; Rhamnus ; Ventilago ; Ziziphus )
Reference: [Brizicky 1965 J Arnold Arbor 45:439–463]

ADOLPHIA

Shrub
Stem: branches opposite, rigid, green; twigs spreading, jointed at base, thorn-tipped
Leaves opposite, sometimes clustered in axils, early deciduous; stipules ± triangular, black, shiny; blade entire, 1–3-ribbed from base
Inflorescence: small axillary clusters
Flower: hypanthium bowl-shaped, 10-ribbed, free from ovary, in fruit papery, not splitting; sepals 5, triangular, persistent; petals 5, spoon-shaped, white; stamens 5; ovary superior, chambers 3, each 1-ovuled, style parts 3
Fruit: capsule, spheric
Species in genus: 2 species: SCo, PR, TX, Mex
Etymology: (Adolphe Brongniart, student of Rhamnaceae, 1801–1876)

Native

A. californica S. Watson

SPINESHRUB, CALIFORNIA ADOLPHIA

Shrub < 1 m
Stem: twigs stout, glabrous to puberulent
Leaf: petiole 2–4 mm; blade 3–9 mm, oblong, base wedge-shaped, tip obtuse to acute
Flower: hypanthium 3 mm wide, 2 mm deep; petals 2 mm
Fruit 5 mm
Ecology: Coastal scrub, chaparral
Elevation: < 300 m.
Bioregional distribution: South Coast, Peninsular Ranges
Distribution outside California: Mexico
Local.
See the CNPS Inventory for information about endangerment and rarity.
previous taxon | next taxon
bioregional map for ADOLPHIA%20californica being generated
 


Retrieve Jepson Interchange Index to Plant Names entry for Adolphia californica
Retrieve dichotomous key for Adolphia
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