l - CNCFlora

740
Annals of the
Missouri Botanical Garden
often differs in having petioles not at all whitish at Additional specimens seen. BELIZE. E1 Dorado,
the base, blades which are typically semiglossy (vs.
Schipp 386 (F, GH, K, MO, NY); Caves Branch, halfway
up St. Herman's Hill, Whitefoord 1176 (BM, MO); Cayo,
matte and subvelvety to weakly glossy in D. oerste- Stann Creek Districts, Hummingbird Hwy., betw. mi. 25dii),
and especially in having the spadix with the 34, Dwyer & Diecknian 13008 (MO); Vaca Plateau, Vaca
pistillate and staminate portions nearly contiguous Falls, Balick et al. 2080 (MO); Stann Creek, Cockscomb
rather than well separated.
Basin, Jaguar Pres., 10 km W of Maya Center, off S Hwy.,
Balick et al. 2716 (MO); Toledo, vic. of trail to Esperanza
Herbarium material of Dieffenbachia oerstedii beginning 1 mi. N of Columbia Forest Station, Vanderveen
may be confuse(l with D. seguine from the West 590 (MO); Columbia For. Stat., Dwyer 9920 (MO); San
Indies. Both x,oee ies sometimes have blades of sim- Jose trail to Esperanza 1 mi. N of Columbia Forest Station,
ilar shape, an(l lenth have petioles that are com- Croat 24250 (MO); San Jose, 6.T rlli. N of Columbia Forest
Station, Dwyer 11184 (F); Bladen, ttichardson Creek, afparably
sheatlle(l and sharply C-shaped on the free fluent of Bladen Branch, lower ptlt-t of Maya Mountains,
portion. The lwo sI)ecies differ in stature, with D. Davidse & Brant 31879 (MO); alorlg Bladen Branch from
Oerstedii beirlg IsUe h smaller and with blades matte, Richardson Creek to Quebrada (le Oro, Davidse & Brant
often subvelvely, whereas those of D. seguine are at 32366 (MEXU, MO); Bladen, Solornon Camp, vic. of the
jet. of Richardson Creek and 131a(len Branch, foothills of
a minimum weakly glossy on the upper surface. The the Maya Mountains, Davidse & lXrant 32410 (MEXU,
auricles on tle fIee-ending sheath of D. seguine are MO); Bladen, Bladen Nature Rexelve, ca. 2 air km N of
both rounde(l al tlle apex, whereas in D. oerstedii upper Bladen Branch, Davidse 3.S$S02 (BRH, MO, SEL);
one of the si({es of the sheath is almost rounded at Bladen Res., Ek Xux archaeolor,i( bll site, Davidse & Holst
36041 (MO, MY); upper Bladels 13ltlnch basin, along main
apex and the otle! is usually acute at apex. How- Bladen Canyon, Davidse & Hollelll(l 36505 (BRH, MO);
ever, the sheall, llsat subtend inflorescences in D. Columbia Res. near Crique N( rtot Whitefoord 3284 (BR,
Oerstedii may 1sas e the apex auriculate on both MO). COSTA RICA. Alajuela: I (lr,tlna Hule, NE of Cerro
Congo, Luteyn 3342 (DUIkE). > sides.
(IIlz.l)ert & Rogerson 619
(A); canyon of Rio Cariblan(o (XX(l W slope and summit
The tyl)e loctllily of Dieffenbachia oerstedii col- of ridge between Rio Cariblars( o (XX(l Quebrada Quicuyal,
lected by ()e lst (l lemains in doubt but it may be SW of Cariblanco, GrayunI et (ll. f)/S)4 (MO); 3 km N of
from Gualerzlll. 'I'he type specimen contains only La Luisa and 15 km N of Gteeia. !llfllr/)hy & Jacobs 1289
(DUKE, MO); San Carlos, Hal(l^ (t the name ''ScXsgtlisillo'' on the label. Also penciled
Hel 1799 (MO);
Cordillera de Tilaran, San Ralssols-Bajo Rodriguez, vic. La
on the label ix llse name "Aguacato," perhaps add- Balsa, 8.9 mi. NW of centel ol Sals l4am6n, Croat 68069
ed at a latel (|lle. Engler (1915: 15) cited a col- (CR, K, MO); 10 km N of }3ija¢zla, Croat 36473 (DUKE,
lection ma(le ly ()ersted from "Schottige Berwalder F, INB, MO); Upala, Brasilia l.r) kzl S of town, Finca de
des Berges Aguae ate" (perhaps Cerro Aguacate in Mario Jir6n, Herrera 1636 (lNI3. M()); 22 km NE of Quesada
by air, 4 km W of Muellx Stlls Carlos, Liesner 14102
Sierra de las Minas). He also listed "sanquinello" (MO); 22 km NE of Quesad;l l)y ait; 4 km W of Muelle
(Engler, 191.5: 1 S) as a common name for D. oer- San Carlos, Liesner 14155 (13, K, M()); 2 km N of Santa
stedii (note the (lifference in spelling from that orig- Rosa, Liesner et al 15035 (13. Ml'aXU, MO); Cant6n de
inal label).
Upala, Colonia Blanca, Finx (s lS io Negro, Rivera 1560
(INB, MO); rd. to Los Angelees. NW of church in San Ra-
It is possiT)le that Dieffenbachia oerstedii occurs
m6n, Stone 3317 (DUKE); Sars lltltssd)n-Bajo Rodriguez, 12
in the Lesser Anti]les and in French Guiana. How- km NW of Los Angelos, 16 kzl NW of San Ram6n, Croat
ard 11744, pulpoltedly collected along the road be- 78830 (MO); vic. km markels I 1-12, ca. 7 km NW of Los
tween Rousseau and Sulfur Spring on Dominica, Angelos, 11-12 km NW ol Stlls llam6n, Croat 78859
(INB, MO); Rio Grande de 'I'til( ol(s, vic. Capulin, Stanappears
to l)e tllis species. Another specimen coldley
40223 (US); Rio Segundo, ( (l. I km N of Intl. Airport,
lected in Frelle h Guiana (Croat 74319) along the Croat 36855 (MO); Rio Zapote. I, islopes of Volcan Mira-
Cayenne-Regina highway, as well as cultivated ma- valles, W of Bijagua, Burger e t (ll. / /695 (F, MEXU, MO)
terial going by the name "D. oerstedii variegata" San Carlos (Pital), 1 km N de lSa l jegua, Haniniel 20231
(Lyon 67-1086), appears to also represent this spe- (INB); Rio Samen hacia Upala, Aguilar 5204 (INB, MO);
San Ram6n, ca. 13 km NW ol Surl Ram6n, Luteyn 3263
cies. The same taxon is in cultivation in Port-au- (DUKE); along rd. from San Ram6n, N of Balsa, ca. 13.8
Prince, Martinique (perhaps originating from km N of bridge over Quebrada Volio, Stevens 13761 (MO);
French Guiana). Since the species is not apparently 3.5-4 mi. W of San Ram6n, Croflt. 467$S5 (INB, MO); Rio
widespread in the areas mentioned, the field-col- Grande, San Isidro, Carvajal 273 (K, MO); Upala, 13.8
km N of Bijagua, Croat 36444 (MO); Upala Cant6n, Est.
lected plants may in fact be plants escaped from Biol. San Ram6n, Dos Rios, Chinchilla 137 (INB, MO);
cultivation. Living specimens studied of the mate- Upala, Rio Zapote, 4 km NNE of Bijagua, Croat 36297
rial from French Guiana and the cultivated material (MO); 3.5 km W of Fortuna, 2.5 km NW of New Volcan
from the I,yon Arboretum are characterized by hav- Arenal, Taylor & Taylor 11660 (MO). Cartago: slopes of
Miravalles above Bijagua, L. Goniez 19038 (MO); Cant6n
ing the midrib creamy white from the lower 1/4 to
de Turrialba, 6 km W of La Suiza on the rd. to Pacayitas,
the upper 1/4 Of the blade. A similar feature is found Kennedy & Solonion 4629 (F, INB, MO). Guanacaste:
in some populations of D. oerstedii in Costa Rica. SW slopes of Volcan Rinc6n de la Vieja and Volcan Santa