Zuccagnia Cav., Icon. 5: 2. 1799

Gagnon, Edeline, Bruneau, Anne, Hughes, Colin E., de Queiroz, Luciano Paganucci & Lewis, Gwilym P., 2016, A new generic system for the pantropical Caesalpinia group (Leguminosae), PhytoKeys 71, pp. 1-160 : 66-67

publication ID


persistent identifier


treatment provided by

PhytoKeys by Pensoft

scientific name

Zuccagnia Cav., Icon. 5: 2. 1799


21. Zuccagnia Cav., Icon. 5: 2. 1799 Figs 34D-E View Figure 34 , 35 View Figure 35


Zuccagnia punctata Cav.


Shrubs, 1-5 m. Stipules caducous. Leaves alternate, pinnate, (2-) 3-5 (- 6) cm long; leaflets in 5-13 subopposite pairs, elliptic-linear, rarely obovate, 4-14 × 1-3 mm, with glandular dots on both surfaces of the leaflet blades. Inflorescences terminal, erect racemes; bracts deltoid, glabrous, glandular, caducous. Flowers bisexual, zygomorphic; calyx comprising a hypanthium and 5 glabrous sepals, persistent after fruit develops, the lower sepal cucullate and covering the other four in bud; petals 5, free, yellow, obovate to broadly obovate, short-clawed, glandular trichomes on the dorsal surface of the petal blades; stamens 10, free, pubescent; ovary pilose. Fruit an ovoid-acute, oblique, laterally compressed, indehiscent (?), gall-like pod, on a short stipe and covered with long reddish brown bristles, c. 1 × 0.6 cm, 1-seeded.

Geographic distribution.

A monospecific genus restricted to Chile, NW and central-W Argentina.


Dry temperate upland and montane bushland and thickets on sandy plains.


Named by Cavanilles for the Italian physician, traveller and plant collector, Attilio Zuccagni (1754-1807).


Burkart (1952: 184-185); Kiesling et al. (1994: 286); Ulibarri (2005, 2008); Nores et al. (2012).