l - CNCFlora

More documents

Recommendations

Info

708 Annals of the Missouri Botanical Garden pressed-globose, to 1.6 mm long, 1 mm diam., pale mi.l.l, Croat & Grayunz 60346 (MO).Chiriqui: Gualagreen; stigma yellow, about as broad as the pistil; ca-Chiriqui Grande, 1 km S of Cont. Divide & Bocas del Toro boundary, Croat 66866 (MO);7.2 mi. beyond Los staminodia white, 1-1.4 mm long, conspicuously Planes de Hornito, Croat 67837 (MO);8.3 mi. NW of Los thickened, drying pale orange-brown; the synan- Planes de Hornito, Croat 49971 (MO); rd. to Fortuna Dam dium 2-2.6 mm long, 1.6-2.0 mm wide, white, dry- site, N of Gualaca, 22.7 mi. beyond Rio Esti bridge, Croat ing yellow-brown, the margins irregularly angular- 48672 (MO,PMA);4.8 mi. beyond IRHE facilities at dam, Croat 68012 (INB, MO,PMA), Croat & Zhu 76340 (MO), subrounded. INFRUCTESCENCE with spadix to 6 Thonipson 4951 (CM,MO); Fortuna Dam area, Quebrada cm long; berries not seen. Los Chorros-Quebrada Hondo, to N of reservoir, Churchill & Churchill 6158 (MO), Churchill & Churchill 6159 (MO). Distribution (nd habitat. Dieffenbachia fortunensis is apparently endemic to Panama, known only from the fi ortuna Dam region of Chiriqui Prov- 9. Dieffenbachia fosteri C l oal, sp. nov. TYPE: ince (hence the epithet) at 900 to 1600 m in Pre- Panama. Bocas del Toro: l jaguna de Chiriqui, montane rain Jorest (P-rf) and Lower montane rain Nuri, 15 km E of Punta (Llicamola, Ensenada forest (LM-rf) life zones (Holdridge, 1967). de Catavela to Quebra(la Nuri, 8°55'N, Phenology. Flowering occurs during the late 81°49'W, elevation neal sea level7 20 Mar. dry season an(l early wet season from March to June 1993, R. Foster, A. Herre, F. Kalko & C. Hanwith fruits maluling in the late rainy season after dley 14649 (holotype, PMA!). Figure 27A. September. Planta (0.4)1-2 m alta; interno(litl 1. ) ( m longa, 1.5 cm Discussion. It is distinguished by its usually diam. in sicco; petio]us 10-29 ( rll lorlrllsX vaginatus 1/3-1/2 small stature, lzloderately thin, prominently veiny, longitudinis, pars ].it)era subteles; Illlila ovato-elliptica undulate, narl owly oblong-lanceolate to narrowly vel lanceolata vel anguste ovaltl, (1 1)17-28 cm longa, (6)7-14 cm lata, nervis primblriis ll( alibus 8-13 utovate blades willl a flat-raised midrib, and petioles roque, inflorescentia I per axilltlll: I)( (lunculus 9.5 cm with the sheath (le(urrent at its apex and with a longus; spatha 20 ( n] longa, 2 ( l] (litll.; spadix 18 cm long, free, shaluly flattened-sulcate distal portion. longus; pars pisti]].ala ().5 em lollrtl (il] Illl( tu); baccae 6- Also charactel ist ic are the granular to granular-pll- 7 mm diam in si(co, I-lo(ulares. berulent majot veins on the lower blade surface. Slender herb, (().4)1-2 nl t t11; sap smelling of The species is c losest to D. beachiana, the latte oxalic acid; interno(les medilltzl >XXn, dark greendiffering in having the major veins on the lowel mottled, 1.5 cm long, drying l.5) ( z1 (liam. LEAVES surface cons,oie uously whitish puberulent an(l clustered at/near stem apex; )(ltioles 10-29 cm blades with ptirllary lateral veins more numerous long, drying 2-3 mm diam., 91le itlling 1/3 to 1/2 their and spreading c onsistently at broader angles (most length; sheath margins dl y i n> + hyaline and to ca. 90° throughout most of the blade rather thats brown, sheath apex with one si(lej ol)scure to roundonly a few VeillS near the base of the blade). 1Xed, with the other side acute; unsleathed portion terms of pubese ence D. fortunensis is closer to 1). of petiole subterete, oval in ( toss section, 12.5galdamesiae, whi(h also shares granular puberul- 18.5 cm from base of blade; I)leldel.s ovate-elliptic to ence rather tllan the loose puberulence of D. belanceolate or narrowly ovate, (1/1+)17-28 x (6)7-14 achiana, but I). g(ldamUesiae differs from D. fortucm, 2-2.4 times longer than wi(le, somewhat inenensis in having the primary lateral veins 15 to 17 quilateral, one side 1-1.5 c l wi(let than the other per side and arising at a 30°-40° angle (vs. 10 to side, acuminate at apex, the (1( llnen apiculate, 1 17 per side, an(l at a 55°-90° angle). Dieffenbachi mm long, inequilateral an(l oltllse or rounded at galdamesiae is also restricted to areas east of the base; midrib convex to flat-ltlis( (l (Ind concolorous Panama Cana], while D. fortunensis is restricted to above, drying somewhat flattene({ alld concolorous far western Panama. above, convex and densely hisi(llllous, darkerthan The species has been confused with small plants surface below, drying striate witll white inclusions of D. Iutheri, a similar species from Cerro Colorado below; primary lateral veins 8 to 1.-3 per side, weakin Chiriqui Province. That species usually has widly sunken above, raised beneath, (leparting midrib er leaf blades (to 15 cm) that are ovate and dry less at an acute angle then spreading at 65°-80° in the blackened. In addition, that species has the pistillower 1/2 of the blade, spreading at 45°-55° toward late and staminate portions of the spadix contiguapex, extending almost straight toward the margins ous, and lacks the mostly sterile section between then broadly sweeping toward the apex; upper surthe pistillate and staminate portion as is present on face dark green, matte, drying dark brown to some- D. fortunensis. what blackened; lower surface slightly paler than Paratypes. PANAMA. Bocas del Toro: along Cont. above, weakly glossy, drying slightly less grayish Divide rd. N off main Fortuna-Chiriqui Grande Hwy., on black than upper surface, densely grayish-speckled
Volume 91, Number 4 2004 Croat Revision of Dieffenbachia below. INFLORESCENCES 1 per axil; peduncle 9.5 Small herb, to 50-80 em tall; sap lacking foul cm long, 5 mm diam.; spathe 20 cm long, 2 cm odor but weakly caustic to skin; stem supported at diam., gradually long-tapered, green throughout, base by adventitious roots; internodes 6-20 x 0.5the tube flattening to 3.5 cm wide; spadix 18 cm 2.0(3.0) mm diam., dark green, weakly to moderlong, with pistillate portion to 6.5 cm long in fruit; ately glossy; petiole scar oblique, one side 3-4 mm berries 6-7 mm diam., dried, l-locular. wider than the other; petioles 18-43 cm long (averaging 29 cm long), densely granular-puberulent, Distribution and habitat. DiefJ7enbachia J7osteri sheathed 0.25-0.66 their length (averaging 0.43 is only known from the type in western Panama their length); sheath erect to involute, 6.5-20 cm near sea level in Bocas del Toro Province in the long (averaging 12.3 cm long), inequilaterally Tropical moist forest (T-mf) life zone (Holdridge, rounded to acute at apex; unsheathed portion 10- 1967). 25 cm long (averaging 16.5 cm long), sharply C- Phenology. Little is known about the phenology shaped, broadly concave adaxially; blades oblongof this species, but the type collection was in early elliptic,27-60 cm long, 6.7-18 cm wide (averaging fruit in March. Flowering probably occurred some- 40.8 x 11.7 cm), 2.7-4.2 times longer than wide time during the rainy season. (averaging 3.6 times longer), 1.1-1.8 times longer Discussion. Dieffenbachia fosteri is characterthan petioles (averaging 1.2 times longer than petized by its slender, rather weakly sheathed petioles ioles), acuminate at apex, acute at base, inequilaand especially by its ovate-elliptic, somewhat teral, one side to 1.5 cm wider than the other, thinly blackish-drying blades. It is apparently not closely coriaceous, drying moderately thin; upper surface related to any other Central Americcln species, dark green and semiglossy, drying dark brown to though in the shape of blades and llle de(urrent olive-green; lower surfae e slightly pcaler, dlmost sheath clpCX it is most similar to D. killi/)ii. That matte, clrying weakly glossy, grayish to yellowish spee ies (liffers in having semiglossy l)la(les thclt (I r y brown; mi(lri/) broatlly ( onvex-flattene(l clnd ( onmore Or less green. It (ould possiluly 1)e confuse(l ( olorous at)ove ndr r owly r oun(ledX niatte (larker wilh 19. grr(lyltmi(lll(l, cl spe(ies ranging alollg the cin(l slcirsely grcinulcil-t)ul)el ulent telow (Irying (2cllit)i)eclll (oclst of (:ostcl Ri(cl lo westelll l'tlllcllz darkel ll-lall SUI'fcl('C! [ltltte,,(l to ,i(lge(l with 0ne or all( larotcltely o( ( urling in the alecl wl-lere 1). /o.sleri tjolh tnargins tarrowly laise(s; /)rim,(lry l(lt,er(ll Xleill.s WclE (olle(te(l; tlowevel; the latler (liffers frolls /). 1.S Io 17 I)er si(se cirising at .-3()°-4()° angle .sweel)- /os/,el-i ill llclvillS llcll10wly ovclte-sut)(ol(late tElcl(sPS ing l)rolilinently tow Ir(l tlse ll)ex with as Inally d,% ttlclt ale tyl)i( cllly ( olsl)ie uously lclle-X-llcl( ultlte a^s(l 4 to 5 of thenl silnultaneously (oursilig along the also in (ryillg olive-green to yellowisll l)lown rcltte rnaigill within 1 ( In of the nsaigirl? somelilnes forinhclrs tElclf kete(s. ing weak ( olle( tive veins weakly (luilte(l-sunken A/ylzloloA,ry. 1'11e sI)ee ies is ncll-lse(l ill [o^ol of at)ove, ( onvex cln(l .slclrsely glclnulclr-T)ut)elulenl one of its (olle(torsX llobin Foster, from the liel(l dn(t s()mewhat se u I fy tel(w, (1yillg (Iarkel thcln sur- Museuln of Naturcll History in (:hicago, an exl)ert f:ae e with the ( entel ( ollal)Se(t an(l the margins ofon Neotroi( al plant etology and the vegetalion of ten thin and upturned; Illinor veins ohse urely to the N votropie s. noderalely visible and (larkel than surface above, (llying moderately (tistincl; (ross-veins sometimes 10. Dieffenbachia galdarnesiae Croat, sy). nov. drying moderately distine t below. INFLORES- TYPE: Panama. Comarca de San Blas: Pe- CENCFJS to 3 per axil; peduncle 5.5-15 cm long, masky, Sen({ero Nergan Igar, km 15 on E1 L1a- 5-8 mm diam., drying 2.5-5 mm diam.; spathe 14tlO-CaI-ti Road, 9°20' N, 78°58 ' W, 350 m, 2 25 cm long, 1.6-2.5 times longer than peduncle, 2 July 1994, C. Galdames, T B. Croat & M. Alba cm diam. at tube, green on both surfaces; spadix 1222 (holotype, MO-5548504!; isotypes, 15.7-18 cm long; free portion 9.5-12 cm long; pis- AAU!, B!, COL!, F!, GH!, INB!, K!, MEXU!, tillate portion of spadix 7.3-10 cm long, 8 mm NY!, PMA!, RSA!, S!, SCZ!, UB!, US!, VEN!). diam.; staminate portion of spadix 7-8.5 cm long, Figures 10, 28A. 6 mm diam.; the mostly sterile intermediate portion Planta 50-80 cm alta; internodia 6-20 mm longa, 0.5- 1.3-2.5 cm long with a few pistillodes extending in 2.0(3.0) mm diam.; petiolus 18-43 cm longus, C-formatus, the lower 1/2; pistils 59 to 68, moderately closely vaginatus 0.25-0.66 longitudinis; lamina oblongo-ellipti- spaced, 2 to 4 situated across the width of the pisca, 27-60 cm longa, 6.7-18 cm lata, nervis primariis la- tils; ovaries 1.2-2.0 mm diam.; stigmas 1.6-2.2 teralibus 15-17 utroque; inflorescentia 3 per axillam; pedunculus 5.5-15 cm longus; spatha 14-25 cm longa, 2 diam., depressed-globose; staminodia club-shaped, cm diam.; spadix 15.7-18 cm longa; pars pistillata 7.3- 1.8-2.8 mm long, 0.4-1.0 mm wide, flattened, free 10 cm longa, 8 mm diam. to base, not expanded toward the base, thickened 709
Page 1 and 2: Revision of "Dieffenbachia" (Aracea
Page 3 and 4: Volume 91, Number 4 2004 Croat Revi
Page 5 and 6: Volume 91, Number 4 2004 Table 2. T
Page 7 and 8: Volume 91, Number 4 2004 Table 3. C
Page 11 and 12: Volume 91, Number 4 2004 %()111P .S
Page 19 and 20: Volume 91, Number 4 Croat 685 2004
Page 21: Volume 91, Number 4 2004 Croat Revi
Page 24 and 25: 690 Missouri Botanical Garden
Page 26 and 27: 692 :: A: Annals of the Missouri Bo
Page 28 and 29: 694 Annals of the Missouri Botanica
Page 38 and 39: 704 r Annals of the Missouri Botani
Page 90 and 91: 756 Annals of the Missou ri Botanic
Page 92 and 93:
758 Annals of the Missouri Botanica
Page 94 and 95:
760 Ez D. fosten (0, -8 ' ; < * ( \
Page 96 and 97:
762 , C72 89° 86° 83° 80° 77°
Page 98 and 99:
Page 100 and 101:
Page 102 and 103:
Page 104 and 105:
Page 106:
show all

l - CNCFlora

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?