Monographs Details:
Authority:
Cowan, Richard S. 1967. Swartzia (Leguminosae, Caesalpinioideae Swartzieae). Fl. Neotrop. Monogr. 1: 3-228. (Published by NYBG Press)
Cowan, Richard S. 1967. Swartzia (Leguminosae, Caesalpinioideae Swartzieae). Fl. Neotrop. Monogr. 1: 3-228. (Published by NYBG Press)
Family:
Fabaceae
Fabaceae
Synonyms:
Rittera pinnata Vahl, Tounatea pinnata (Vahl) Willd., Tunatea pinnata (Vahl) Kuntze
Rittera pinnata Vahl, Tounatea pinnata (Vahl) Willd., Tunatea pinnata (Vahl) Kuntze
Description:
Description - Tree 7-15 m tall, the trunk ca 30 cm diameter, the branchlets micro-strigulose and glabrescent, or glabrous; stipules caducous, triangular, 0.6-0.7 mm long and wide, acute, micro-stigulose externally, glabrous within; petioles terete, 3-8 cm long, micro-strigulose; rachis 6-10(-17.5) cm long, terete, micro-strigulose; leaflets (1-or) 2-jugate, rarely 3-jugate, the petiolules (3-)5(-7) cm long, canaliculate on the upper surface, micro-strigulose, the blades of the lowermost pair elliptic and smaller, (8.5-) 11 (-15) cm long, (4.5-)5-7(-8) cm wide, the blades of the other pairs elliptic to oblanceolate-elliptic, (13-)20-25(-30) cm long, (5-)8-10(-13.5) cm wide, the bases of all the leaflets rounded-obtuse or only those of the basal pair obtuse and the others acute basally, or those of all pairs acute, the apex obtuse, or bluntly and abruptly short-acute, or acute, or acuminate, the blades glabrous or micro-strigulose on the lower surface on the costa and primary veins, the costa and primaries plane, or the costa slightly impressed on the upper surface, salient beneath, the primaries rarely joined in an obvious submarginal vein; inflorescence cauligerous or ramuligerous, 10-35(-44) cm long, often fasciculate, racemose, the axis micro-strigulose, the bracts triangular, persistent, (0.3-)0.7-1 (-1.5) mm long and wide, micro-strigulose outside, glabrous within, the bracteoles lacking; pedicels slender, ca 1 mm diameter, 15-20(-27) mm long, micro-strigulose; buds globose, umbonate, 8-10 mm diameter; calyx segments 4, deciduous, micro-strigulose externally, glabrous within; petal yellow, strigulose externally on the base of the blade and claw, glabrous within, the claw 1.5-4 mm long, the blade rounded, more or less cuneate basally, 12-15 mm diameter; larger stamens 2, the filaments glabrous or sparsely villose or strigulose, the anthers 4-4.5(-6) mm long, 1 mm wide, glabrous, narrowly oblong, the smaller stamens 9-18 mm long, glabrous, the anthers 2-3 mm long, 1 mm wide, oblong, the pollen of all the stamens globose, 26-28.5 n diameter; stigma capitellate; style 1-5 mm long, minutely strigulose; ovary 7-15 mm long, 1-1.5 mm wide, arcuate-linear, sericeous, the gynophore 5.5-7.5 mm long, sericeous; fruit moniliform, each of the 1-10 seeds enclosed in an oval or elliptic section 2-4.5 cm long, 1.5-2 cm diameter, minutely strigulose, the stipe 12-27 mm long, minutely strigulose; seeds oval in outline, 20-28 mm long, 15-20 mm diameter, the seed-coat smooth, nitid, dark brown, the aril very small, only present at the attachment of the placenta.
Description - Tree 7-15 m tall, the trunk ca 30 cm diameter, the branchlets micro-strigulose and glabrescent, or glabrous; stipules caducous, triangular, 0.6-0.7 mm long and wide, acute, micro-stigulose externally, glabrous within; petioles terete, 3-8 cm long, micro-strigulose; rachis 6-10(-17.5) cm long, terete, micro-strigulose; leaflets (1-or) 2-jugate, rarely 3-jugate, the petiolules (3-)5(-7) cm long, canaliculate on the upper surface, micro-strigulose, the blades of the lowermost pair elliptic and smaller, (8.5-) 11 (-15) cm long, (4.5-)5-7(-8) cm wide, the blades of the other pairs elliptic to oblanceolate-elliptic, (13-)20-25(-30) cm long, (5-)8-10(-13.5) cm wide, the bases of all the leaflets rounded-obtuse or only those of the basal pair obtuse and the others acute basally, or those of all pairs acute, the apex obtuse, or bluntly and abruptly short-acute, or acute, or acuminate, the blades glabrous or micro-strigulose on the lower surface on the costa and primary veins, the costa and primaries plane, or the costa slightly impressed on the upper surface, salient beneath, the primaries rarely joined in an obvious submarginal vein; inflorescence cauligerous or ramuligerous, 10-35(-44) cm long, often fasciculate, racemose, the axis micro-strigulose, the bracts triangular, persistent, (0.3-)0.7-1 (-1.5) mm long and wide, micro-strigulose outside, glabrous within, the bracteoles lacking; pedicels slender, ca 1 mm diameter, 15-20(-27) mm long, micro-strigulose; buds globose, umbonate, 8-10 mm diameter; calyx segments 4, deciduous, micro-strigulose externally, glabrous within; petal yellow, strigulose externally on the base of the blade and claw, glabrous within, the claw 1.5-4 mm long, the blade rounded, more or less cuneate basally, 12-15 mm diameter; larger stamens 2, the filaments glabrous or sparsely villose or strigulose, the anthers 4-4.5(-6) mm long, 1 mm wide, glabrous, narrowly oblong, the smaller stamens 9-18 mm long, glabrous, the anthers 2-3 mm long, 1 mm wide, oblong, the pollen of all the stamens globose, 26-28.5 n diameter; stigma capitellate; style 1-5 mm long, minutely strigulose; ovary 7-15 mm long, 1-1.5 mm wide, arcuate-linear, sericeous, the gynophore 5.5-7.5 mm long, sericeous; fruit moniliform, each of the 1-10 seeds enclosed in an oval or elliptic section 2-4.5 cm long, 1.5-2 cm diameter, minutely strigulose, the stipe 12-27 mm long, minutely strigulose; seeds oval in outline, 20-28 mm long, 15-20 mm diameter, the seed-coat smooth, nitid, dark brown, the aril very small, only present at the attachment of the placenta.
Discussion:
The collection cited as Sieber 93 is actually one of the Fendler collections from Trinidad; Seiber renumbered the collections he acquired and, since his collections are found rather widely in herbaria, it seems best to cite them as if he had collected them. The Karsten collection has leaflets which have more the aspect of S. leptopetala but the flowers are surely those of S. pinnata.Swartzia pinnata is most similar to S. amplifolia except that it usually lacks a submarginal vein in the leaflets. Occasional collections from Venezuela approach S. amplifolia in this respect: Maguire & Politi 27449 from Amazonas and Steyermark 90120 from Miranda have leaflets with a submarginal vein, much like that of S. amplifolia. However, the inflorescence of the two species is sufficiently different to permit the proper placement of these collections. The pedicels of S. pinnata are long and relatively slender, only ca 1 mm diameter; only S. amplifolia var. rigida has pedicels as long and these are several millimeters in diameter.
The collection cited as Sieber 93 is actually one of the Fendler collections from Trinidad; Seiber renumbered the collections he acquired and, since his collections are found rather widely in herbaria, it seems best to cite them as if he had collected them. The Karsten collection has leaflets which have more the aspect of S. leptopetala but the flowers are surely those of S. pinnata.Swartzia pinnata is most similar to S. amplifolia except that it usually lacks a submarginal vein in the leaflets. Occasional collections from Venezuela approach S. amplifolia in this respect: Maguire & Politi 27449 from Amazonas and Steyermark 90120 from Miranda have leaflets with a submarginal vein, much like that of S. amplifolia. However, the inflorescence of the two species is sufficiently different to permit the proper placement of these collections. The pedicels of S. pinnata are long and relatively slender, only ca 1 mm diameter; only S. amplifolia var. rigida has pedicels as long and these are several millimeters in diameter.
Distribution:
Trinidad and Tobago South America| Venezuela South America| Sucre Venezuela South America| Monagas Venezuela South America| Miranda Venezuela South America| Aragua Venezuela South America| Carabobo Venezuela South America| Yaracuy Venezuela South America| Amazonas Venezuela South America|
Trinidad and Tobago South America| Venezuela South America| Sucre Venezuela South America| Monagas Venezuela South America| Miranda Venezuela South America| Aragua Venezuela South America| Carabobo Venezuela South America| Yaracuy Venezuela South America| Amazonas Venezuela South America|
Common Names:
Bois pois, cojon de verraco
Bois pois, cojon de verraco