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Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Fabaceae (Leguminosae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Tree, shrub, with stipular spines at nodes or thorns in leaf axis (see leaf scars) or main leaf axis a strong spine. Stem: +- zigzag; bark smooth, green. Leaf: alternate or in clusters of 1--6 in spine axils, generally even-2-pinnate, sometimes appearing 1-pinnate, main axis flat, leaflets alternate, falling early or not; 1° leaflets 2--6; 2° leaflets 4--many. Inflorescence: raceme, axillary, generally < 7-flowered. Flower: +- bilateral; sepals +- free, alike, generally reflexed; petals +- equal, generally yellow or cream-white; stamens 10, yellow to orange, free, exserted. Fruit: indehiscent to partly late-dehiscent, generally flat, oblong, +- inflated, narrowed between seeds or not. Seed: 1--several.
Species In Genus: 11--12 species, 2 named hybrids: America, southern United States to Argentina, Africa; cultivated. Etymology: (J. Parkinson, London, apothecary, author, 1567--1650) Note: Haston et al., Hawkins support treatment of Cercidium and Parkinsonia, both recognized in TJM (1993), as single, monophyletic genus.
Unabridged Note: Since S. Watson (1870s), Cercidium and Parkinsonia have variously been treated as 1 or 2 genera; Carter 1974 and McClintock in TJM (1993) recognized both genera but work of Hawkins 1996 (Ph.D. Dissertation, Univ. Oxford, UK) and Haston et al. 2005 (Amer J Bot 92:1359--1371) support treatment as 1 monophyletic group.
eFlora Treatment Author: Martin F. Wojciechowski
Jepson Online Interchange
Key to ParkinsoniaPrevious taxon: Oxytropis parryi
Next taxon: Parkinsonia aculeata
Citation for this treatment: Martin F. Wojciechowski 2016. Parkinsonia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9394, accessed on December 08, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 08, 2016.