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Genus Parkinsonia Family Fabaceae
Subfamily Caesalpinioideae

Description: Shrubs or trees, evergreen, spinose.

Leaves alternate or appearing whorled, mostly bipinnate with 1–4 pairs of pinnae with a reduced rachis and petiole, ending in a spine; secondary rachis elongate, flat; pinnules numerous, oblong or linear, usually caducous.

Inflorescences axillary or terminal, racemes. Calyx 5-lobed, ± equal, slightly imbricate, reflexed. Petals 5, soon reflexed. Stamens 10, all fertile. Ovary shortly stipitate, 8–10-ovuled; style ± filiform; stigma minute, terminal.

Pod stipitate, indehiscent, constricted between seeds; seeds oblong.


Photo © ANBG

Distribution and occurrence: World: 19 species, tropical & subtropical regions. Australia: 1 species

Text by B. Wiecek
Taxon concept:

One species in NSW: Parkinsonia aculeata

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