Piptadenia.'] L. LEGUMINOSJ;. (J. Gr. Baker.) 289 



121. PIPTAEENIA, Benth. 



Erect trees, unarmed or prickly. Leaves bipinnate. Flowers small, in 

 dense spikes, hermaphrodite, pentameroiis. Calyx campanulate, shortly 5- 

 toothed. Petals 5, valvate, equal, lanceolate, cohering at the base. Stamens 

 10, free, as long as the corolla ; anthers tipped with a deciduous gland. Ovary 

 stalked, many-ovuled ; style filiform, stigma terminal. Pod long, thin, strap- 

 shaped, flat. Seeds brown, compressed. DISTKIB. Species 30, all the rest but 

 two from Africa Tropical American. 



1. P. oudhensis, Brand. For. Flor. 168 ; Benth. in Trans. Linn. Soc. 

 xxx. 366. 



OUDH, in forests under the base of the hills in G-onda, Eichd. Thompson. 



A middle-sized tree, armed with large conical prickles, glabrous except the inflo- 

 rescence. Pinna 4, long-stalked, each of a single pair of nearly sessile obtuse 

 obovate coriaceous leaflets 2 in. long. Panicles axillary, much shorter than the 

 leaves ; spikes dense, 1-1 5 in. by f- in. Calyx minute ; teeth obscure. Petals in., 

 lanceolate, greenish-yellow. Stamens just exserted. Pod 9-12 in. by f in., with a 

 long stalk, nearly straight. Seeds 15-20. 



122. PARK! A, R. Br. 



Tall, unarmed trees. Leaves bipinnate with very numerous leaflets. Flowers 

 in dense long-peduncled heads, each subtended by a coriaceous persistent ligu- 

 late bract with a spoon-shaped tip. Calyx tubular, shortly 5-cleft. Corolla 

 tubular, cleft half-way down, the segments subvalvate. Stamens 10, exserted, 

 the filiform filaments united in the lower part with each other and the corolla- 

 tube ; anthers narrow, glandless, the pollen cohering in irregular masses. Ovary 

 stalked, many-ovuled ; style filiform, stigma minute capitate. Pod large, flat, 

 strap-shaped, coriaceous, finally dehiscing. DISTRIB. Species 8, cosmopolitan 

 in the tropics, mostly American. 



1. P. big-landulosa, W. $ A. Prodr. 279 ; glands of petiole 2, leaflets 

 linear-ligulate 150-200 to a pinna. Mimosa pedunculata, Roxb. Fl. Ind. ii. 

 551. 



MALAY peninsula, Eoxburgh. Elsewhere cultivated. 



Kachis of leaf downy, 1 ft. or more long ; pinnae 40-60, 3-4 in. long ; leaflets 

 1 -nerved, rigid, \ in. by ^ in. Peduncle under a foot long in the specimens seen. 

 Calyx 3- in. ; tube glabrous ; teeth pilose. Immature pod downy, narrowed gradually 

 into a long stalk. 



2. P. Roxburg-hii, G. Don Gen. Syst. ii. 397 ; gland of petiole solitary, 

 leaflets linear-ligulate 100 or more to a pinna. P. Brunonis, Grah. in Wall. 

 Cat. 5288. P. biglobosa, Benth. in Hook. Journ. iv. 328. Mimosa biglobosa, 

 Roxb, Fl. Ind. ii. 551, non Jacq. 



ASSAM, SILHET, BIRMA, MALAY PENINSULA. DISTRIB. Malay isles. 



An erect tree, 40-60 feet high. Leaf-T&chis a foot or more long, glabrous or 

 pubescent; pinnae 20 or more, 3-4 in. long; leaflets 100-120, ^-^ in. by j~ in., with 

 rarely any other veins than the costa perceptible. Peduncle l-l ft. ; flowers in tur- 

 "binate heads 2-3 in. long. Calyx in. ; tube cylindrical, glabrous ; lobes pilose. 

 Pod 1 ft. by 1-1^ in., narrowed into a 3-4 in. stalk. 



3. P. leiophylla, Kurz in Journ. Asiat. Soc. Beng. xlii. 2, 73 ; leaflets 

 broad-ligulate 50-60 to a pinna, pinnae 20 or more. 



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