1961] 



BOTANY OF THE QUAY AN A HIGHLANDS — PART IV (2) 



-7 



aliis late ellipticis, ovalibus vel ovato-elliptieis, ad basim laminis rotundis 

 truncatisque vel solum rotundis, ad apicem abrupte obtuso-acuminatis, valde 

 salienti-venosis, plus minusve coriaceis. Inflorescentiae axillares, paniculatae, 

 8.5-21 cm longae, pedunculo 2-4 em longo, axe striguloso, braeteis bracteolisque 

 sublinearibus, 3-4 mm longis, ea. 0.5 mm latis, strigulosis extus, intus glabris, 

 pedicello 3-3.5 mm longo, striguloso. Calycis tubus eampanulatus, ea. 5 mm 

 longus, dense strigulosus, lobis aeutis, 2-2.5 mm latis, triangularibus vel trian- 

 gulari-oblongis, dense strigulosis. Corolla glabra, obseuro-aurantiaea, vexillo 

 reflexo, unguiculo 4 mm longo, lamina oblata, 8 mm longa, 10 mm lata, ad apicem 

 emarginata, alis oblongo-obovatis, unguiculo 3 mm longo, laminis 10 mm longis, 

 5 mm latis, obtusis, petalis carinalibus apicem versus cohaerentibus, unguiculo 

 4.5 mm longo, lamina ad basim unilateraliter auriculata, falcato-obovata, obtusa, 

 9 mm longa, 5 mm lata. Stamina glabra, filamentis 6 mm connatis, 10-12 mm 

 longis. Ovarium lanceolatum, sessile, dense sericeum, 3.5 mm longum. 1.5 mm 

 latum, stylo 10 mm longo. parte basilar] sericeo. Pructus 1-2-seminatus, brevi- 

 velutinus, obovatus vel suborbicularis. 6-8 cm longus, 5.5-6.5 cm latus, valde 

 venosus. 



VENEZUELA: Amazonas: along uppermost Ri'o Yatua, alt. 100-140 m; low tree; fls dull 

 orange, the keel [banner] with a basal purple-brown spot; 25-20 Oct 1957, Basselt Maguire, 

 John J. Wurdack $ Celia K. Maguire 41944 (holotype, US No. 2267428); same locality, 

 7-8 Dee 1953, Maguire, Wurdack 4' Bunting 36731. 



The resemblance between this species and P. rohrii is obvious, but they are 

 easily distinguished by the size of the leaflets, bracts, and bracteoles ; the pubes- 

 cence of the inflorescence and flower parts is also of a different type in the two 

 species. 



