454 A FLORA OP MANILA 



or reddish, 5 to 6 mm long, the seeds plano-convex. (Fl Filip pi. 55, 

 Paederia tacpo.) 



In thickets, occasional, fl. Oct.-March; common and widely distribcted 

 in the Philippines. Endemic. 



15. PUECTRONIA Linnaeus 



Spiny or unarmed,_usually erect shrubs or small trees. Leaves opposite. 

 Flowers axillary, solitary, fascicled, or umbellate, usually small. Calyx- 

 tube short, the limb 4- or 5-toothed or lobed. Corolla-tube narrowly funnel- 

 shaped, campanulate or globose, the throat villous, the lobes 4 or 5, reflexed. 

 Ovary 2-celled; ovules 1 in each cell. Fruit fleshy, globose to obovoid, 

 2- or 1-seeded. (From the Greek "'spur," in allusion to the spines of many 

 species.) 



Species about 70 in the tropics of the Old World, 10 in the Philippines. 



Peduncles very short, not as long as the flower 1. P. horrida 



Peduncles long, slender, pendulous, up to 3 cm in length.. 2. P. peduncularis 



1. P. horrida (Blume) Kurz. 



A shrub or small tree 2 to 5 m high, the branches somewhat pubescent, 

 armed with sharp, slender, axillary spines 5 to 10 mm in length. Leaves 

 ovate to elliptid-ovate, short-petioled, acute, 1 to 2.5 cm long. Flowers 

 axillary, solitary, 5-merous, greenish-yellow or nearly white, about 6 mm 

 long, very shortly pedicelled. Fruit ovoid; red, fleshy, about 7 mm long. 

 (Fl. Filip. pi. 57, Canthium horridum.) 



In dry thickets, Masambong, near Fort McKinley, etc., fl. May-July; of 

 local occurrence in the Philippines. Tenasserin to Malaya. 



2. P. peduncularis (Cav.) Elm. Subiang-daga (Tag.). 



A slender shrub 1 to 3 m high with slender, sharp, axillary spines 

 5 to 13 mm long, the branchlets, leaves and pedicels slightly pubescent. 

 Leaves ovate to ovate-lanceolate, 2 to 4 cm long, 1 to 1.8 cm wide, base 

 acute, apex acuminate or acute; petiole short, about 2.6 mm long. Flowers 

 solitary, axillary, pendulous, white, their pedicels slender, 2 to 3 cm 

 long, minutely bracteolate near the apex. Calyx small, with 6 acuminate 

 teeth.. Corolla white, the tube cylindric, 4 mm long, the lobes lanceolate, 

 acuminate, reflexed, 1.2 to 1.5 cm long. Fruit obovoid or subglobose, slightly 

 compressed, glabrous, greenish-yellow, about 1 cm thick, 8 mm long, fleshy, 

 containing 2 seeds. 



In thickets, Masambong, Pasay, etc., fl. July-Dec; widely distributed 

 in the Philippines. Endemic. 



16. PAEDERIA Linnaeus 



Slender, twining, herbaceous vines, with a foetid odor when crushed. 

 Leaves opposite, the stipules deciduous. Flowers in axillary and ter- 

 minal di- or tri-chotomously branched paniculate cymes. Calyx-limb per- 

 sistent, 4- or 5-toothed. Corolla, tubular, pubescent, 4- or 5-lobed, the 

 margin^ inflexed, crisped. Anthers 4 or 5, in the corolla-tube. Ovary 2- 

 celled; stigmas 2, slender, twisted; ovules 1 in each cell. Fruit globose, 

 the epicarp thin, fragile, surrounding the 2, orbicular or oblong, thin or 

 coriaceous pyrenes. Seeds 1 in each pyrenes, dorsally compressed. (Greek 

 name of a pink-flowered plant.) 



Species 9 or 10 in tropical Asia and Malaya and 1 in Brazil, 2 in the 

 Philippines. 



