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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.

 

ROBINIA LOCUST

Matt Lavin, Duane Isely & Elizabeth McClintock


Shrub, tree, armed, generally spreading from underground parts. Leaf: odd-1-pinnate, alternate, deciduous; stipular spines generally not gland-dotted. Inflorescence: raceme, axillary. Flower: calyx bell-shaped, lobes 5; petals 5, white or pink, banner reflexed; 9 filaments fused, 1 free. Fruit: flat [or plump], not narrowed between seeds, dehiscent.
4 species: temperate United States to subtropical southwestern United States, Mexico. (J. Robin (1550–1629), V. Robin (1579–1662), French botanists who introduced genus to Eur) [Lavin et al. 2003 Syst Bot 28:387–409] Robinia hispida L. spreading from planted plants in Sacramento River Delta, potentially naturalized.
Unabridged references: [Lavin & Sousa 1995 Syst Bot Monogr 45:117–124]

Key to Robinia

1. Corolla pink; inflorescence ascending to drooping, glandular-hairy; fruit glandular-hairy, upper margin not winged; e Desert Mountains ..... R. neomexicana

1' Corolla white; inflorescence pendent, finely, nonglandular-hairy; fruit glabrous, upper margin narrowly winged; California Floristic Province, Great Basin Floristic Province ..... R. pseudoacacia

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
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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