l - CNCFlora

754
Annals of the
Missouri Botanical Garden
km upstream from and NW of Puente Boquer6n, 8.6 mi. throughout (this white coloration continuing onto
SW of Catacamas, 6 mi. SW of Sta. Maria del Real, Croat the midrib), sheathed virtually throughout; sheath
& D. Hannon 64109 (INB, MEXU, MO, TEFH, US); along
Rio Olancho, on rd. Gualaco-San Esteban at Rio San erect to involute (rolled inward throughout in age),
Martin, 19.3 mi. E from Gualaco, 8.7 mi. SW of San Es- free-ending and unequally rounded at apex, proteban,
Croat & D. Hannon 64317 (B, MO, US); Rio Olan- longed to 2 cm beyond the base of blade; uncho,
San Esteban-Bonito Oriental, 19 mi. NE of San Es- sheathed part obsolete or rarely to 1 cm long (when
teban, Croat & D. Hannon 64476 (MO); Refugio de Vida
Silvestre "La Muralla," Nelson & Andino 16247 (TEFH);
evident obtusely flattened); blades ovate to ovate-
Mpio. Jano, 16 mi. NE of La Union along the rd. to Olan- elliptic or oblanceolate-elliptic, (15-)25-48(-63)
hito, Davidse et. al. 35484 (MO). Yoro: near Puente cm long, (8-)15-32 cm wide (averaging 34 x 16
Grande, on a tributary of the Rio Agua (Rio Puente cm), broadest near the middle, sometimes below,
Glande), Blackmore & Chorley4073 (MO). NICARAGUA. frequently above the middle, 1.4-2.5(-3.5) times
Matagalpa: El Tollsa Rd., Neill 1571 (MO); ridge along
td. betw. fJa Dalsta arld La Luna, E of Esquipulas, Stevens longer than wide (averaging 2.1 times longer than
11786 (CAS, M() TEX); Macizos de Penas Blancas, SE wide), 1.9-3 times longer than petioles, spreading
side, drainage ol (ssuebrada E1 (ssuebradon, Hda. San Mar- to erect-spreading, inequilateral, one side 1-3 cm
tin, horder with l)epartmento de Jinotega, Stevens et al. wider than the other, gra(lually to abruptly acumi-
2()998 (MO); Matagalpa-Siuna, 1.5 km al NE de Los Angeles,
Moreno 17/42 (MO); E1 Trebol, 7 km S of Penas
nate, sometimes acute at apex, inequilaterally cor-
T3lancas, rd. to fi l 'luma, Moreno & Robleto 20526 (MO). dulate at base, one side sometimes broadly rounded
Zelaya: Finca Waylawas, Pipoly 4479 (MO, US); Siuna- to obtuse, the other side cordulate, sometimes in-
Matagalpa, ca. 31.4 km beyond Rio Uli (near Wani), ca. equilaterally acute, subcoriaceous, often conspicu-
8.9 km beyond llosa Grande La Balsama, Stevens 7457
ously quilted, moderately l)icolorous; upper surface
(MEXU! MO); Cerro l ivico, 7 km NE of Siuna, Neill 3629
(MO); Rio Sucio, Ed of Bonanza, Stevens 12311 (MO), Ste- usually solid dark to medium green, sometimes
vens 8044 (MO); Res. Bosawas, Bonanza, Cerro Cola Blan- conspicuously to sparsely variegated with pale
ea, vic. Cacerio (le Vitinia, Rueda & Coronado 6557 (MO). green or pale yellow thloughout much of the surface,
the mottling large ol small, but somewhat re-
25. Dieffenbachia tonduzii Croat & Grayum, stricted to the area midwcly t)etween the midrib and
Novon 9: 497. 1999. TYPE: Panama: Bocas del margin, matte to weak]y glossy, sometimes appear-
Toro: Valle del Silencio, along Rio Changuinola, ing weakly velvety, drying glay-green to olive-green
ca. 1 km above mouth of Rio Teribe, vic. Teribe or dark brown; lower surfcl( e much paler and matte
Indian population, disturbed forest among co- to weakly glossy, silvely-gleen, drying yellowish
coa plantations, 9°21 '40"N, 82°31 '40"W, less green to yellow-brown helow; niidrib flat to broadly
than 100 m, 25 June 1994, 1: B. Croat & G. rounded and moderately to strongly paler, pale
Zhu 76452 (holotype, MO-04611212!; isotypes, green or sometimes creanly white above (sometimes
AAU!, B!, BM!, BR!, CAS!, CM!, COL!, CR!, only toward the apex), blutly acute to obtusely an-
DUKE!, F!, GH!, HUA!, INB!, ITIC!, JAUM!, gular and paler, sometillles white or creamy white
K!, L!, LE!, M!, MEXU!, NY!, P!, PMA!, below, (0.6-)1-1.7 cm wi(Se; priniary lateral veins
QCA!, QCNE!, R!, RSA!, S!, SCZ!, SEL!, (14 to)l8 to 25(to 30) per side, arising at an acute
TEX!, UB!, US!, VEN!, WU!). Figures 25, angle and spreading at 45°-90°, sometimes reflexed
29B.
toward the base, promillently to weakly and obtusely
sunken above, convex to weakly raised and
Terrestrial herb, 0.5-1.5 m tall, usually to less darker than surface or concolorous below, some of
than 1 m tall; internodes 1.5-4.5(-6) cm long, 1.5- the lowermost with a weak fold near the base (Croat
3(-4.5) cm diam., usually solid dark to medium & GrayunI 60112), somelillles convex-pleated begreen,
sometimes faintly marbled with gray-green low; interprimary veins almost as conspicuous as
or yellowish gray throughout (on plants that also the primaries; minor veins moderately to distinctly
have streaked petioles), initially weakly glossy, be- visible, darker than surface below. INFLOREScoming
semiglossy to glossy, often with a subvelvety CENCES 1 to 2(to 4) per axil, often with two orisheen;
petiole scars manila to white, curved down- ented in opposite directions; peduncle (3-)6-17 cm
ward on the opposite side of the stem and ending long (averaging 10.3 cm long), 7-8 mm diam.,
unevenly; petioles 10-24 cm long (averaging 17.6 weakly glossy, dark to medium green, sometimes
cm long), held + erect, medium green (except with pale yellow-green streaks; spathe (12-)15-28
sometimes white to pale green at base), almost cm long (averaging 20 cm long), 2-4 times as long
matte to weakly glossy, weakly striate (especially as peduncle, acuminate at apex, convolute to about
near the base), narrowly rounded to obtusely an- the middle in lower part, matte to weakly glossy
gular on abaxial surface and often white medially, outside, glossy within, solid medium green on both
sometimes streaked in a variegated pattern surfaces, gradually and weakly constricted some-