Phaseolus 



LEGUMINOSJ-: 



63 



Species 150, dispersed through the tropics, subtropics, and 

 southern Europe. 



Calyx 4-toothed. Leaflets ovate to ovate-rhomboid. 

 Corolla 1 5-2 cm. 1. Lateral teeth of calyx triangular, 



not falcate. 

 Bracteoles much shorter than the calyx. Pod, upper 



margin recurved, lower broadly rounded 1. P. lunatus. 



Bracteoles longer than, or equalling, the calyx. 

 Pod oblong-linear, upper margin straight or 



slightly recurved 2. P. vulgaris. 



Corolla 2-2 5 cm. 1. Lateral teeth of calyx lanceolate- 

 falcate 3. P. adcnanthus. 



Calyx 5-toothed. Leaflets ovate-lanceolate to linear 4. P. latlujroides. 



Fig. 20. Phaseolus adenanthus G. F. W. Mey. 



A, Small leaf and raceme x H. C, Bracteole. calyx, and stamens enclosing 



B, Flower, one of the wings pulled hack, the pistil x I. 1 .. 



nat. size. D, Pod with two seeds exposed x 



1. Calyx campanulate, 4-toothed, upper tooth broad, short, 

 truncate or broadly rounded, sometimes slightly emar- 

 Leaflets ovate to ovate-rhomboid. 



1. P. lunatus L. Sp. PL 724 (1753) ; inflorescence short- 

 stalked, shorter than the leaves ; bracteoles much shorter th;in 

 the calyx; corolla 1-1*5 cm. 1. ; upper margin of pod general!} 

 recurved, lower margin broadly rounded, to about '2 cm. br. 

 Wight Ic. t. 755; Benth. in Fl. Br*. xv.pt. 1, 181 ; Griscl. /'/. 



