260 A FLORA OF MANILA 



cm long, green and shining above, paler and slightly pubescent beneath. 

 Racemes axillary, solitary, 5 to 8 cm long, slender. Flowers <in distant 

 pairs, the nodes slightly or distinctly thickened. Calyx about 6 mm long, 

 pubescent, the teeth longer than the tube. Corolla pink-purple,, nearly 1 

 cm long. Pods flat; thin) sparingly pubescent, 3 to 5 cm Ibng, 5 to 6 mm 

 wide. 



In thickets, San Pedro Macati, fl. Oct.-Jan. ; not .pommon and very local 

 in the Philippines. India to Malaya and Australia. 



63. PHASEOLUS Linnaeus 



Twining or erect herbs with 3-foliolate leaves, the leaflets stipellate. 

 Flowers in axillary racemes. Calyx campanulate, the lower tooth usually 

 longer than the others, the upper 2 subconnate. Corolla much exserted, 

 the keel prolonged, si)irally^ twisted. Stamens diadelphouS. Ovary many- 

 ovuled; style filiform, tvnsteXwitfi" the keel, bearded along one side below 

 the stigma. Pod linear to oblong, compressed or swollen. (The ancient 

 name of the kidney bean.) 



Species about 60, chiefly tropical, many cultivated, 7 or 8 in the Phil- 

 ippines. 



1. Stipules small, basiflxed; flowers usually pink or purple. 

 2. Erect herbs with appressed-pubescent narrow pods and dark-piirple 



flowers 1. P. lathyroidet 



2,', Twining vines, with broader glabrous pods, an^ greenish-yellow or 

 p^le-purple flowers. 

 3. Flowers less than 2 cm long. 



4. Pods broad, flat, 1.5 to 2 cm wide; flowers greenish-yellow, less 



than 1 cm long... .^ 2. P. lunatus 



4. Pods swollen, less than 1.5 wide; flbwers 1.5 to 2 cm loijg, pale- 

 purple or j)ink and white; cultivated plants 3. P. vulgaris 



3. Flowers about 2.5 cm long. «. , 4. P. aderCanthus 



1. Stipules produced below'the point of insertion^ flowers usually^ yellow. 

 2. Leaflets oblong to lanceolate or linear, usually less than 1 cm wide. 



5. P. rninvmiia 

 2. Leaflets ovate to oblong-ovate, 2 to 3 cm or more in width. 



3. Pods with slightly appressed hairs or glabrous ; leaflets often some- 

 what lobed : „ 6. P. ealcaratus 



3. Pods hirsute with spreading hairs; leaws entire 7. P. radiatus 



1. P. LATHYBOIDES L. (P. semierectus L.). 



An erect, suffrutescent, somewhat branched plant 1 to 1.5 m high, the 

 branches often flexuous, rarely twining, clothed with deflexed hairs. Leaf- 

 lets oblong to oblong-ovata, 4 to 7 cm long; stipules lanceolate, acuminate, 

 6 to 8 mm long. Racemes axillary, long-peduneled, the racemes 20 cm 

 long or less, the peduncles as long or longer, the flowers about 2 cm 

 long. Calyx green, 6 to 7 mm long. Standard about 1 cm wide, greenish, 

 the keel and wings dark-purple. Pods reflexed, 8 to 10 cm long, about 4 

 mm wide, somewhat compressed, appressed pubescent. Seeds numerous, 

 about 3 mm long. 



In open grass lands, common, fl. all the year; apparently not widely 

 distributed in the Philippines. A native of tropical Amei;ica, introduced 

 in the tropics of the Old World. 



