Systematic Position of the Genus 63 conical, more or less subsessile, pedicels less than 0.5 cm in length, tepals ca 1.3 cm long, reddish (5 R 4/12) externally, greenish white internally, cleft 1/3 way down into 5 more or less tapering lobes, moderately reflexed at anthesis; disc bright orange, 10 lobed, fleshy; stamens 10, in 2 whorls of 5 each, longer ones ca 0.9 cm, shorter ones 0.7 cm, filaments and anthers cream colored. Fruit pedicels 1.0-2.0 cm long, with a characteristic downward bend at almost a right angle; capsules ca 1.5 cm long from base to apex, ovate-ellipsoid, surface fairly smooth, ribs not prominent, apex rounded; fruit dehiscence septicidal. Seeds oblong, ca 1.0 cm long, basal and carunculate ends smoothly rounded; caruncle prominent, trapeziform. Fig 19D; 20A, B, C. TYPE. Rogers, Appan & Rogers 529: Mexico, Tamaulipas: Circa 5 miles E of Casas, 33 miles E of Ciudad Victoria, 21 Jun 1968 (holotype, NY; isotypes, F, K, MEXU, MO, US, W). DISTRIBUTION. (Fig 19C). Mexico: Coahuila, Nuevo Leon and Tamaulipas; along eastern slopes of Sierra Madres Oriental. Usually growing at ca 200- 700 m, but towards the southern end of its geographical range the species grows in low lands in the coastal plains, adjacent to or possibly slightly overlapping the range of M. walkerae. This species characteristically grows close to and in the shade of other shrubs, thus protected by the taller shrubs. The savannah type habitat supports tall shrubs and medium sized trees such as Cordia boissieri, lechuguilla, thorny legumes, etc. This species is a relatively infrequent member of the vegetation. Towards the southern extremity of the range it grows in prairies with very shallow reddish sandy loam. Usually grows in limestone based, loose and rocky soil. Like many other <strong>Manihot</strong> species this one exhibits the potential to colonize disturbed areas, such as in soil dumped after road construction, eroded ravines, etc. MEXICO. Coahuila: Marsh 1163 (F, TEX) Muzquiz, Apr 1938. Nuevo Leon: Crutchfield & Johnston 5460A (TEX) Mamulique Pass, 23 miles S of Sabinas Hidalgo, 4 May 1960; Edwards 411 (F, MO, TEX) Rancho Resendez, Lampazos, 29 Jun 1937; Gregg 198 (MO) Monterrey, 24 Jun 1848; Perkins & Hall 3565 (F) Nuevo Leon, Road from Monterrey to Nuevo Laredo, 12 Apr 1939; Rogers, Appan & Rogers 525 (G-2, MEXU, NY-3, US) Mamulique Pass, just off old Highway, Milestone 1051, 18 Jun 1968; Rogers, Appan & Rogers 526 (COLO, F-2, G, K, M, MICH, NY-2, S, US, W) Summit of Mamulique Pass, 38 miles N of Monterrey, 19 Jun 1968. Tamaulipas: Bartlett 10613 (MICH) Summit of Cerro de La Tamaulipeca, 26 Jul 1930; Bartlett 13695 (MICH-2) Summit of Cerro de La Tamaulipeca, 4 Jul 1931; Crutchfield & Johnston 5523 (TEX) 16 miles E of San Fernando-Santander Jiminez Highway on Road to Lareto, 15 Sep 1960; Crutchfield & Johnston 5784E (TEX) 5 miles E of Casas on Victoria-Sotolamarina Highway, 26 Sep 1960; Graham & Johnston 4721B (TEX) 26 miles S of Victoria, 15 Nov 1959; Kenoyer C 142 (GH) S of Victoria, 14 Aug 1940; Lesueur 246 (ARIZ, F, TEX) Mountains W of Bustamante, Aug 1938; Rogers, Appan & Rogers 533 (A, BM, COLO, K, MEXU, NY, P, SP, UC), 26 mi S of Ciudad Victoria, 26 Jun 1968. LOCAL NAME. Palo mulato. (Edwards 411). <strong>Manihot</strong> subspicata was confused in the past with M. mexicana, which is merely one of the morphologic variants of M. rhomboidea subsp rhomboidea. The range of M. subspicata is widely disjunct from the range of M. rhomboidea subsp rhomboidea, and consequently there is little likelihood of interbreeding. This disjunct taxon is, therefore, assumed to be a closed gene pool and, as such, described as a new species. The specific epithet describes the characteristic subspicate inflorescence. 12. <strong>Manihot</strong> walkerae Croizat, Bull. Torrey Club 69: 452-457. 1942. Decumbent shrubs, ca 0.5 m tall, profusely branching, branches slender, prostrate, long, weak. Roots prominently enlarged, carrot shaped, ca 10.0 cm long; epidermis very dark brown, rough with bands of laterally oriented corky strips; cortex white with strong smell of HCN; tuberous roots reported to possess adventitious buds (used as propagating material, Walker 1003). Young stems glabrous, greenish brown; mature stems glabrous, grayish brown. Leaves alternate; stipules setaceous, deciduous, glabrous; petioles slender,
64 Flora Neotropica '- ' i ..:.:. _ F: to_\ 1,i e l [ f 1 ,," ;~~~~~~~~~~~~~~~~~~~~~~~~~, ' Y\/,~ E- V. i, ; ~ ~ ',< -C Z. FIG 20. Manibot subspicata. A, roots (Rogers, Appan & Rogers 533, NY); B, leaf (Rogers, Appan & Rogers 525, NY); C, inflorescence (Perkins & Hall 3565, F). M. woalkerae. D, distribution.
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Organization for Flora Neotropica M
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Copyright ? 1973 HAFNER PRESS Publi
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2 Flora Neotropica played a fundame
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4 Flora Neotropica 1827 Pohl, J. E.
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6 Flora Neotropica cultivated plant
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8 Flora Neotropica organs. This is
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10 Flora Neotropica TABLE I Charact
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- Page 21 and 22: 18 Flora Neotropica specimen for ac
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- Page 27 and 28: 24 Flora Neotropica 16. Lamina memb
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- Page 31 and 32: 28 Flora Neotropica Manihot esculen
- Page 33 and 34: 30 Flora Neotropica , ~.....i& , "
- Page 35 and 36: 32 Flora Neotropica Ule 7645 (MG, U
- Page 37 and 38: 34 Flora Neotropica sprucei Pax, an
- Page 39 and 40: 36 Flora Neotropica Manibot sect He
- Page 41 and 42: 38 Flora Neotropica aJJg~~~~~~~~~~~
- Page 43 and 44: 40 Flora Neotropica ,- ~~~~~~~ "'%j
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- Page 47 and 48: 44 Flora Neotropica - A~~ AI ii ' D
- Page 49 and 50: 46 Flora Neotropica its leaves duri
- Page 51 and 52: 48 Flora Neotropica the middle, dic
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- Page 55 and 56: 52 Flora Neotropica r I C D '', " F
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- Page 59 and 60: 56 2m.al~ .~~~~~~~1 A .. "C~~~~~~~~
- Page 61 and 62: 58 Flora Neotropica ,~. 1 ' /1 _ ',
- Page 63 and 64: 60 Flora Neotropica 1962; Webster,
- Page 65: 62 Flora Neotropica Lyonnet 301 (NY
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- Page 71 and 72: 68 Flora Neotropica Key to the Spec
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- Page 75 and 76: 72 Flora Neotropica a more or less
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- Page 95 and 96: 92 Flora Neotropica Manihot brasili
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114 Flora Neotropica Jatropha janip
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116 Flora Neotropica "..., \j _-_4
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118 Flora Neotropica petioles ca 15
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120 Flora Neotropica 1LI? Cf? ,' Z
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122 Flora Neotropica i ''~~~~~~~~~~
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124 Flora Neotropica TYPE. Pohl 734
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126 Flora Neotropica FIG 53. Maniho
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128 Flora Neotropica 223-AP. 1 / {'
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130 Flora Neotropica The specimens
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132 Flora Neotropica lamina palmate
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134 46a. Manihot violacea Pohl subs
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136 Flora Neotropica 47. Manihot ja
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138 I: = Flora Neotropica F~IG iegn
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140 Flora Neotropica '-. 'd.4n !.4
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142 Flora Neotropica FIG . M a n i
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o I 'L 1 ` \ : / FIG 62. Manibot se
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146 Flora Neotropica 9 L 1 1.?1 !1
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148 Flora Neotropica 4,- ~ ~ ~ ~ ~
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150 Flora Neotropica 1Cc B ~~~~~~~'
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152 Flora Neotropica :/ ,..~~~~~~~.
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154 Flora Neotropica C -A I/ /1 ? C
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156 X - / . " Flora Neotropica FIG
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158 Flora Neotropica reticulate; ve
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160 Flora Neotropica UB, US-2) Cerr
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162 Flora Neotropica I 0 0 '..,.r,
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? c--" 2"- I- "" X' j *' -t- F '~~~
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166 Flora Neotropica -C Ii. . i i~,
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168 Flora Neotropica TYPE. Pohl 119
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170 Flora Neotropica staminate buds
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172 Flora Neotropica 10191 (LIL, US
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}?\???)? **^^ ' /, i (, 7 I.M f ran
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176 Flora Neotropica , , ..1.. m "
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FI 8 G ............................
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180 Flora Neotropica 0~~~~~~~~~~~~~
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182 Flora Neotropica into 5 lobes;
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184 Flora Neotropica a I. cence !q
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186 Flora Neotropica p|- p I. S -.
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188 Flora Neotropica r, o _ t i_ ;
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190 Flora Neotropica Manihot sect P
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192 Flora Neotropica .' '.: :. :' "
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194 Flora Neotropica wax pattern, v
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196 Flora Neotropica 468 (F, G, K,
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198 Flora Neotropica 157 U. i! AI .
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''* '> .." ' . .., /? I J*" ' - ??
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202 Flora Neotropica 4984, UC). T _
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204 Flora Neotropica ~~~~~~~~~~~~~~
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206 Flora Neotropica Jan 1968; Mace
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208 Flora Neotropica Very short, ne
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210 Flora Neotropica Very short, ne
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212 Flora Neotropica DISTRIBUTION.
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!: '" . D' I , ~:'~)L~~~~~~~~~~~~~~
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216 Flora Neotropica 27 k " ? .: .:
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-1~~~~~~ i , FIG 104. Manihot sect
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220 Flora Neotropica BRASIL. Mato G
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222 Flora Neotropica TYPE. Pohl 119
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224 Flora Neotropica _ _ ?^^^^^...
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eE- ~........ ' t-0 i ',K 6?~~~~~~~
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228 Flora Neotropica ,i ~~~~~~~~~~~
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230 Flora Neotropica DISTRIBUTION.
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f ' * S s. - .. -- X~~~~~~~~~~~~~~~
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234 Flora Neotropica Manihot tripar
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236 Flora Neotropica Santa, Dec 195
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238 Flora Neotropica Pax lists Robe
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_.- \ ~ [' i ~ ~ .j ?~.:.:. --/ _:.
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242 Flora Neotropica Key to the Sub
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244 Flora Neotropica TYPE. Martius
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246 Flora Neotropica i '*:1, .! 2;
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248 Flora Neotropica to nearly obco
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250 Flora Neotropica --" . T - FIG
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252 Flora Neotropica Manihot curcas
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254 Flora Neotropica Nordenskiold,
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256 Flora Neotropica 62. M. anomala
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258 Flora Neotropica 1780 (1-66); 1
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260 Flora Neotropica 13203 (1-27);
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262 Flora Neotropica Killip, E. P.
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264 Flora Neotropica Palmer, L. H.
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266 Flora Neotropica Schomburgk, R.
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268 Flora Neotropica Adenoropium tr
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270 Flora Neotropica enneaphylla 88
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272 Flora Neotropica Rogers & Appan
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cNr ( r-r nu )0m Cr m ^ Lo cm ( r o
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1. 00 0 - , ' t t N S D - .-' C IS)
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51 2,12 8 27 2 3;19 30=4;13,12 33=1