Cassiinae pt 1 NY-Botanical_gardens_Vol. 35_1 - Copy.pdf - Antbase

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168 MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [VOL. 35 shorter than periole; glands between proximal or (commonly) between both pairs of lfts, sessUe or shorriy stipitate, including stipe 2.6-3 mm long, the ellipsoid or lance-ellipsoid glabrous body 0.5-0.8 mm diam; pulvinules 3-4 mm; distal pair of lfts subsymmetricaUy lance-ellipric, almost imperceptibly acuminate, at very apex obtuse, 6-9.5 x 2-3.2 cm, ±3 times as long as wide, at base inequilateraUy cu neate, the almost straight and centric midrib with 7-9 pairs of major camptodrome secondary and few connecring terriary veins all immersed above, prominulous beneath, the subsequent rericularion faint; proximal pair simUar, ±% as long, proportionately only a trifle broader. Racemes soUtary, shorriy 3-12-fld, the axis including peduncle 1.5-4 cm; bracts ovate acute 2.5-3 mm, persistent into anthesis; pedicels 20-28 mm; fl-buds glo bose, glabrous; sepals subpetaloid, fainriy veined, htrie graduated, broadly obovate or oblong-obovate, the innermost 8.5-11 mm; petals (of ser. Bacillares) up to 17-22 mm, the vexillary one broadest; funcrional androecium 6-merous, gla brous, the filaments of 4 median stamens thickened 2-2.5 mm, those of 2 abaxial hnear but thickened at apex ±3.5 mm, the anthers of 4 median stamens differ enriated into slighriy unequal pairs, oblong slighriy incurved 5.5-9 mm with abruptly divaricate beak 0.3-0.4 mm, those of 2 abaxial ones lance-ovoid 2.5-3.7 mm with neariy erect 2-porose beak 1.2-1.5 mm; ovary densely gray-strigulose; style scarcely or not dilated, ±0.8 mm diam just below stigma, the orifice ±0.25 mm diam; ovules ±120. Pod not seen fully formed, apparenriy Uke that of S. oxyphylla, up to 2 dm long; seeds unknown.—Collections: 5.—Fig. 16. About granite outcrops in savanna, local, known only from the banks of middle Orinoco River and tributaries between 5°30' and 7°N in s.-w. Estado Bolivar and adjoining Apure and Territorio Amazonas, Venezuela, and on the Colombian bank in the n.-e. corner of Vichada.—Fl. VI, X-XII. The flora of the cerros and associated savannas of that segment of the Orinoco valley that separates Venezuela from Colombia has an endemic element to which the Cassieae contribute taxa from two sections of genus Chamaecrista: C. (Xerocalyx) desvauxii var. triumviralis Irwin & Barneby; C. (Chamaecrista) glan dulosa var. rapidarum Irwin & Barneby and var. crystallina Irwin & Barneby; and the senna described here as S. wurdackii. All of these represent groups widely dispersed over the Neotropical region in patterns so diffuse and general ized as to provide little evidence of origins. The close affinity of S. wurdackii, except in a general way to aU smaller-leaved Bacillares, is difficult to assess. The plant is notable for the syndrome of narrow bracts and stipules, mostly biglandular leaf-stalks, relatively smaU elhptic, strongly bicolored leaflets with revolute mar gins, ample glabrous sepals and an androecium peculiar for the loss of one ofthe three abaxial stamens. In the last character it resembles the West Indian S. nitida and the north Colombian S. smithiana, but differs from both in the subsymmet rically eUiptic leaflets pilosulous on the dorsal face. The perhaps equally related S. rupununiensis from the eastern margin of the Guayana Highland resembles S. wurdackii in size and outhne of leaflets, but these are strongly venulose on the upper face, merely strigulose beneath, and associated with the heptamerous func tional androecium normal in ser. Bacillares. Fruits and seeds of the more local members of the series are so httle known that comparisons are not yet possible. We take pleasure in dedicating S. wurdackii to Dr. John J. Wurdack, Smithsonian Institution, a member of the first New York Botanical Garden expedition and leader of the second that encountered the species in modern times. It was
1982] CASSIINAE—SENNA 169 Fig. 16. Senna wurdacku I. & B. Stem xVi; flower x2; leaf-rachis with nectaries and detached stamens x4 (Maguire et al. 36132).
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•'•mmmmmmfii^'''- '->mmmmmmmm^'
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ADVISORY BOARD MEMOIRS OF THE N E W
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This material is based upon researc
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IV FOREWORD In looking back over th
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DECEMBER 1982 MEMOIRS OF THE NEW YO
Page 13 and 14:
1982] CASSIINAE—INTRODUCTION 1. F
Page 15 and 16:
1982] CASSIINAE—CASSIA Fig. 1. An
Page 17 and 18:
1982] CASSIINAE—CASSIA commonly m
Page 19 and 20:
1982] CASSIINAE—CASSIA C. fistula
Page 21 and 22:
1982] CASSIINAE—CASSIA 11 sulcate
Page 23 and 24:
1982] CASSIINAE—CASSIA 13 i. ser.
Page 25 and 26:
1982] CASSIINAE—CASSIA 15 1.3-2.8
Page 27 and 28:
1982] CASSIINAE—CASSIA 17 modific
Page 29 and 30:
1982] CASSIINAE—CASSIA 19 and is
Page 31 and 32:
1982] CASSIINAE—CASSIA 21 Adult l
Page 33 and 34:
1982] CASSIINAE—CASSIA 23 Fig. 3.
Page 35 and 36:
1982] CASSIINAE—CASSIA 25 cm, the
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Page 39 and 40:
Page 41 and 42:
1982] CASSIINAE—CASSIA 31 exactly
Page 43 and 44:
1982] CASSIINAE—CASSIA 33 bowl-sh
Page 45 and 46:
1982] CASSIINAE—CASSIA 35 s.-e. V
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Page 49 and 50:
1982] CASSIINAE—CASSIA 39 like) a
Page 51 and 52:
1982] CASSIINAE—CASSIA 41 sometim
Page 53 and 54:
1982] CASSIINAE—CASSIA 43 sylvis:
Page 55 and 56:
1982] CASSIINAE—CASSIA 45 Lvs 13-
Page 57 and 58:
Page 59 and 60:
1982] CASSIINAE—CASSIA 49 f produ
Page 61 and 62:
1982] CASSIINAE—CASSIA 51 garden
Page 63 and 64:
1982] CASSIINAE—CASSIA 53 Klug, G
Page 65 and 66:
1982] CASSIINAE—CASSIA 55 Cassia
Page 67 and 68:
1982] CASSIINAE—CASSIA 57 Not see
Page 69 and 70:
1982] CASSIINAE—CASSIA 59 Cassia
Page 71 and 72:
1982] CASSIINAE—CASSIA 61 Opposit
Page 73 and 74:
1982] CASSIINAE—CASSIA 63 of leaf
Page 75 and 76:
1982] CASSIINAE—SENNA 65 neglecta
Page 77 and 78:
1982] CASSIINAE—SENNA 67 Pubescen
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1982] CASSIINAE—SENNA 69 tionary
Page 81 and 82:
1982] CASSIINAE—SENNA 71 zygomorp
Page 83 and 84:
1982] CASSIINAE—SENNA 73 apical s
Page 85 and 86:
1982] CASSIINAE—SENNA 75 alternat
Page 87 and 88:
1982] CASSIINAE—SENNA 77 our clas
Page 89 and 90:
1982] CASSIINAE—SENNA 79 pressed
Page 91 and 92:
1982] CASSIINAE—SENNA 81 technica
Page 93 and 94:
1982] CASSIINAE—SENNA 83 parallel
Page 95 and 96:
1982] CASSIINAE—SENNA 85 18. Pod
Page 97 and 98:
1982] CASSIINAE—SENNA 87 3. Senna
Page 99 and 100:
1982] CASSIINAE—SENNA 89 tertiary
Page 101 and 102:
1982] CASSIINAE—SENNA 91 never so
Page 103 and 104:
1982] CASSIINAE—SENNA 93 3d. Senn
Page 105 and 106:
1982] CASSIINAE—SENNA 95 broad ma
Page 107 and 108:
1982] CASSIINAE—SENNA 97 with ran
Page 109 and 110:
1982] CASSIINAE—SENNA 99 ed. 2, 1
Page 111 and 112:
1982] CASSIINAE—SENNA 101 duction
Page 113 and 114:
1982] CASSIINAE—SENNA 103 broadsi
Page 115 and 116:
1982] CASSIINAE—SENNA 105 4. Blad
Page 117 and 118:
1982] CASSIINAE—SENNA 107 many-fl
Page 119 and 120:
1982] CASSIINAE—SENNA 109 neighbo
Page 121 and 122:
1982] CASSIINAE—SENNA 111 through
Page 123 and 124:
1982] CASSIINAE—SENNA 113 a multi
Page 125 and 126:
1982] CASSIINAE—SENNA 115 Vesture
Page 127 and 128: 1982] CASSIINAE—SENNA 117 those o
Page 129 and 130: 1982] CASSIINAE—SENNA 119 obhquel
Page 131 and 132: 1982] CASSIINAE—SENNA 121 Chamaef
Page 133 and 134: 1982] CASSIINAE—SENNA 123 3 abaxi
Page 135 and 136: 1982] CASSIINAE—SENNA 125 little
Page 137 and 138: 1982] CASSIINAE—SENNA 127 biseria
Page 139 and 140: 1982] CASSIINAE—SENNA 129 Trees o
Page 141 and 142: 1982] CASSIINAE—SENNA 131 Lf-rach
Page 143 and 144: 1982] CASSIINAE—SENNA 133 Strongl
Page 145 and 146: 1982] CASSIINAE—SENNA 135 interca
Page 147 and 148: 1982] CASSIINAE—SENNA 137 cium it
Page 149 and 150: 1982] CASSIINAE—SENNA 139 atively
Page 151 and 152: 1982] CASSIINAE—SENNA 141 pus, da
Page 153 and 154: 1982] CASSIINAE—SENNA 143 affinit
Page 155 and 156: 1982] CASSIINAE—SENNA 145 quangul
Page 157 and 158: 1982] CASSIINAE—SENNA 147 . . ."
Page 159 and 160: 1982] CASSIINAE—SENNA 149 pair of
Page 161 and 162: 1982] CASSIINAE—SENNA 151 Amply l
Page 163 and 164: 1982] CASSIINAE—SENNA 153 of the
Page 165 and 166: 1982] CASSIINAE—SENNA 155 Hithert
Page 167 and 168: 1982] CASSIINAE—SENNA 157 27. Sen
Page 169 and 170: 1982] CASSIINAE—SENNA 159 persal
Page 171 and 172: 1982] CASSIINAE—SENNA 161 Weak di
Page 173 and 174: 1982] CASSIINAE—SENNA 163 ovary d
Page 175 and 176: 1982] CASSIINAE—SENNA 165 Lvs 4-5
Page 177: 1982] CASSIINAE—SENNA 167 Pod pen
Page 181 and 182: 1982] CASSIINAE—SENNA 171 coriace
Page 183 and 184: 1982] CASSIINAE—SENNA 173 petiole
Page 185 and 186: 1982] CASSIINAE—SENNA 175 ±3.5-8
Page 187 and 188: 1982] CASSIINAE—SENNA 177 a membe
Page 191 and 192: 1982] CASSIINAE—SENNA 181 hkewise
Page 193 and 194: 1982] CASSIINAE—SENNA 183 leaflet
Page 195 and 196: 1982] CASSIINAE—SENNA 185 present
Page 197 and 198: 1982] CASSIINAE—SENNA 187 42f. Se
Page 199 and 200: 1982] CASSIINAE—SENNA 189 Lvs bel
Page 201 and 202: 1982] CASSIINAE—SENNA 191 or acut
Page 203 and 204: 1982] CASSIINAE—SENNA 193 Stipule
Page 205 and 206: 1982] CASSIINAE—SENNA 195 leafles
Page 207 and 208: 1^^^] CASSIINAE—SENNA 197 In and
Page 209 and 210: 1982] CASSIINAE—SENNA 199 parenri
Page 211 and 212: 1982] CASSIINAE—SENNA 201 r^jCico
Page 213 and 214: 1982] CASSIINAE—SENNA 203 Fig. 19
Page 217 and 218: 1982] CASSIINAE—SENNA 207 Chamaef
Page 219 and 220: 1982] CASSIINAE—SENNA 209 dackU i
Page 225 and 226: 1982] CASSIINAE—SENNA 215 Araguai
Page 227 and 228: 1982] CASSIINAE—SENNA 217 Racemes
Page 229 and 230:
1982] CASSIINAE—SENNA 219 broader
Page 231 and 232:
1982] CASSIINAE—SENNA 221 56. Sen
Page 233 and 234:
1982] CASSIINAE—SENNA 223 Pohl."
Page 235 and 236:
1^^2] CASSIINAE—SENNA 225 between
Page 237 and 238:
1982] CASSIINAE—SENNA 227 sometim
Page 239 and 240:
1982] CASSIINAE—SENNA 229 sometim
Page 241 and 242:
1982] CASSIINAE—SENNA 231 the hor
Page 243 and 244:
1982] CASSIINAE—SENNA 233 paratyp
Page 245 and 246:
Page 247 and 248:
1982] CASSIINAE—SENNA 237 tiary c
Page 249 and 250:
1982] CASSIINAE—SENNA 239 2.5-9(-
Page 251 and 252:
Page 253 and 254:
1982] CASSIINAE—SENNA 243 Cuba; d
Page 255 and 256:
1982] CASSIINAE—SENNA 245 the ste
Page 257 and 258:
1982] CASSIINAE—SENNA 247 in outh
Page 259 and 260:
1982] CASSIINAE—SENNA 249 "In Bra
Page 261 and 262:
1982] CASSIINAE—SENNA 251 the lon
Page 263 and 264:
1982] CASSIINAE—SENNA 253 fainriy
Page 265 and 266:
1982] CASSIINAE—SENNA 255 is not
Page 267 and 268:
1982] CASSIINAE—SENNA 257 70b. Se
Page 269 and 270:
1982] CASSIINAE—SENNA 259 racemes
Page 271 and 272:
1982] CASSUNAE—senna 261 other co
Page 273 and 274:
1982] CASSIINAE—SENNA 263 largely
Page 275 and 276:
1982] CASSIINAE—SENNA 265 Fig. 23
Page 277 and 278:
1982] CASSIINAE—SENNA 267 sides t
Page 279 and 280:
1982] CASSIINAE—SENNA 269 found,
Page 281 and 282:
1982] CASSIINAE—SENNA 271 cordate
Page 283 and 284:
1982] CASSIINAE—SENNA 273 and hya
Page 285 and 286:
1982] CASSIINAE—SENNA 275 Key to
Page 287 and 288:
1982] CASSIINAE—SENNA 277 Peduncl
Page 289 and 290:
1982] CASSIINAE—SENNA 279 margine
Page 291 and 292:
1982] CASSIINAE—SENNA 281 Sandy b
Page 293 and 294:
1982] CASSIINAE—SENNA 283 cm, at
Page 295 and 296:
1982] CASSIINAE—SENNA 285 like th
Page 297 and 298:
1982] CASSIINAE—SENNA 287 Stipule
Page 299 and 300:
1982] CASSIINAE—SENNA 289 not con
Page 301 and 302:
1982] CASSIINAE—SENNA 291 almost
Page 303 and 304:
1982] CASSIINAE—SENNA 293 filamen
Page 305 and 306:
1982] CASSIINAE—SENNA 295 2. Lfts
Page 307 and 308:
1982] CASSIINAE—SENNA 297 2. Fls
Page 309 and 310:
1982] CASSIINAE—SENNA 299 Main ca
Page 311 and 312:
Page 313 and 314:
1982] CASSIINAE—SENNA 303 a trifl
Page 315 and 316:
1982] CASSIINAE—SENNA 305 sentiaU
Page 317 and 318:
1982] CASSIINAE—SENNA 307 PUosulo
Page 319 and 320:
1982] CASSUNAE—senna 309 stamens,
Page 321 and 322:
1982] CASSIINAE—SENNA 311 of 3 ab
Page 323 and 324:
Page 325 and 326:
1982] CASSIINAE—SENNA 315 Pubesce
Page 327 and 328:
Page 329 and 330:
1982] CASSIINAE—SENNA 319 ovate,
Page 331 and 332:
Page 333 and 334:
1982] CASSIINAE—SENNA 323 buds su
Page 335 and 336:
1982] CASSIINAE—SENNA 325 orbata
Page 337 and 338:
1982] CASSIINAE—SENNA 327 glabrou
Page 339 and 340:
1982] CASSUNAE—senna 329 nation o
Page 341 and 342:
1982] CASSIINAE—SENNA 331 varying
Page 343 and 344:
1982] CASSIINAE—SENNA 333 seldom
Page 345 and 346:
1982] CASSIINAE—SENNA 335 to and
Page 347 and 348:
1982] CASSIINAE—SENNA 337 Charact
Page 349 and 350:
Page 351 and 352:
Page 353 and 354:
1982] CASSIINAE—SENNA 343 Dry roc
Page 355 and 356:
1982] CASSIINAE—SENNA 345 llOg. S
Page 357 and 358:
1982] CASSIINAE—SENNA 347 exempli
Page 359 and 360:
1982] CASSIINAE—SENNA 349 17. Lft
Page 361 and 362:
1982] CASSIINAE—SENNA 351 (3-)4-6
Page 363 and 364:
1982] CASSUNAE—senna 353 a photog
Page 365 and 366:
1982] CASSUNAE—senna 355 the pedu
Page 367 and 368:
1982] CASSIINAE—SENNA 357 filifor
Page 369 and 370:
1982] CASSIINAE—SENNA 359 Stamens
Page 371 and 372:
1982] CASSIINAE—SENNA 361 Pods "o
Page 373 and 374:
1982] CASSIINAE—SENNA 363 obtuse
Page 375 and 376:
1982] CASSIINAE—SENNA 365 the vex
Page 377 and 378:
1982] CASSIINAE—SENNA 367 Racemes
Page 379 and 380:
Page 381 and 382:
1982] CASSIINAE—SENNA 371 cm, the
Page 383 and 384:
1982] CASSIINAE—SENNA 373 Pod pen
Page 385 and 386:
Page 387 and 388:
1982] CASSIINAE—SENNA 377 chilens
Page 389 and 390:
1982] CASSIINAE—SENNA 379 mm, the
Page 391 and 392:
1982] CASSIINAE—SENNA 381 found t
Page 393 and 394:
1982] CASSIINAE—SENNA 383 76 of c
Page 395 and 396:
1982] CASSIINAE—SENNA 385 mostly
Page 397 and 398:
1982] CASSIINAE—SENNA 387 replace
Page 399 and 400:
1982] CASSIINAE—SENNA 389 eastern
Page 401 and 402:
1982] CASSIINAE—SENNA 391 h is ju
Page 403 and 404:
1982] CASSIINAE—SENNA 393 in sylv
Page 405 and 406:
1982] CASSIINAE—SENNA 395 Araguai
Page 407 and 408:
1982] CASSIINAE—SENNA 397 or almo
Page 409 and 410:
1982] CASSIINAE—SENNA 399 Pod ess
Page 411 and 412:
1982] CASSIINAE—SENNA 401 only ±
Page 413 and 414:
1982] CASSIINAE—SENNA 403 locaUy
Page 415 and 416:
1982] CASSIINAE—SENNA 405 COLUTEO
Page 417 and 418:
1982] CASSIINAE—SENNA 407 within
Page 419 and 420:
Page 421 and 422:
1982] CASSIINAE—SENNA 411 but the
Page 423 and 424:
1982] CASSIINAE—SENNA 413 interfo
Page 425 and 426:
1982] CASSIINAE—SENNA 415 cm; bra
Page 427 and 428:
1982] CASSIINAE—SENNA 417 -35) mm
Page 429 and 430:
1982] CASSUNAE—senna 419 mexicana
Page 431 and 432:
1982] CASSIINAE—SENNA 421 places,
Page 433 and 434:
Page 435 and 436:
1982] CASSIINAE—SENNA 425 137d. S
Page 437 and 438:
1982] CASSIINAE—SENNA 427 across
Page 439 and 440:
1982] CASSIINAE—SENNA 429 6. Vena
Page 441 and 442:
1982] CASSIINAE—SENNA 431 on the
Page 443 and 444:
1982] CASSIINAE—SENNA 433 var. gl
Page 445 and 446:
1982] CASSIINAE—SENNA 435 Caledon
Page 447 and 448:
1982] CASSIINAE—SENNA 437 occiden
Page 449 and 450:
1982] CASSIINAE—SENNA 439 piano-c
Page 451 and 452:
1982] CASSIINAE—SENNA 441 Bot. 24
Page 453 and 454:
1982] CASSIINAE—SENNA 443 valves
Page 455 and 456:
1982] CASSUNAE—senna 445 scarcely
Page 457 and 458:
1982] CASSIINAE—SENNA 447 Cassia
Page 459 and 460:
1982] CASSIINAE—SENNA 449 Sesse &
Page 461 and 462:
1982] CASSIINAE—SENNA 451 Neg. 24
Page 463 and 464:
1982] CASSUNAE—senna 453 tierra t
Page 465:
^m\m'^Y%^ws:m.yitmxmfsmsiiimmammKmm
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