This section is from the book "The Standard Cyclopedia Of Horticulture Vol2", by L. H. Bailey. See also: Western Garden Book: More than 8,000 Plants - The Right Plants for Your Climate - Tips from Western Garden Experts.
32. variety Brongniartii, Engl. (C. Brongniartii, Lem.). Very large; petiole variegated violet and green, reddish toward the apex; blade green, except along the nerves below, where it is colored reddish, paler green between the primary nerves, deep green toward the margin; veins and nerves red-purple. Brazil, 1858. F.S. 13:1348-9. I.H. 5, p. 58, desc.
33. variety mirabile, Engl. (C. mirabile, Lem.). Petiole green; blade bright green, densely covered with large and small irregular pale green spots between the primary nerves and midvein. Para. I.H. 10:354.
(cc) Blue-green blade.
34. variety pictum, Kunth (C. pictum, DC). Petiole greenish, variegated beneath; basal lobes connate one-fifth their length; blade thin, blue-green, marked with large, irregular, usually confluent, pale yellowish semi-transparent spots. Lowe, 43.
(ccc) Colorless blade.
35. variety Duchartrei, Engl. (C. Duchartrei, Hort.). The long petiole green above, variegated below the middle with violet-black; blade colorless, except the midrib and all the veins, or here and there pale rosy or red-spotted, or even more or less dirty green. A.F. 8:129.
(cccc) Solid green blade.
(d) Dark green.
36. variety argyrospilum, Engl. (C. argyrospilum, Lem.). Petiole grayish red, sparsely and finely streaked; blade a most beautiful green, with a crimson spot at the middle, and with many small white spots between the primary veins. Para. F.S. 13:1346-7.
Fig. 733. Caladium picturatum variety Belleymeii. (No. 49.)
37. variety Curwadlii, Engl. (C. Curwadlii, Hort.). Petiole greenish, slightly violet-blotched toward the base; blade reddish purple along the midrib and primary veins, marked between the veins with large white spots; otherwise dark green.
38. variety Kochii, Engl. (C. Kochii, Hort.). leaf - blade more rounded, dark green, with small white spots midway between the midrib and margin. Para, 1862.
39. variety macrophyllum, Engl. (C. macrophyllum, Lem. C. griseo-argenteum, Hort.). Petiole green; blade dark green, marked everywhere with many small, scarcely confluent white or slightly rosy spots. Para. 1862. I.H. 9:316.
40. variety Neumannii, Engl. (C. Neumannii, Lem.). Petiole green; blade very beautiful dark green, with scarcely paler veins, marked between the primary veins with large and small white-margined, reddish purple spots. F.S. 13:1352-3. B.M. 5199.
(dd) Light green. (e) Not spotted.
41. variety rubellum, Engl. (C. rubellum, Hort. C. Reichenbachianum, Stange). Blade green, with reddish purple midrib and primary veins.
42. variety rubrovenium, Engl. (C. rubrovenium, Hort. C. rubronervium, Hort.). Petiole variegated green and violet; blade small, oblong-ovoid, the basal lobes somewhat introrse, obtuse, connate almost to the middle, pale caulescent or red-green along the midrib and primary veins; veins pale red or scarlet. Para, 1862.
(ee) Spotted. (f) With white spots.
43. variety Laucheanum, Engl. (C. Lauchednum, C
Koch). Blade bright green, with white spots at the middle.
(ff) With purple and white spots.
44. variety Wightii, Engl. (C. Wightii, Hort.). Petiole pale green; blade very beautiful green, marked between the primary veins with large, red-purple and small white spots. French Guiana.
(fff) With red or crimson spots.
45. variety Enkeanum, Engl. (C. Enkeanum, C. Koch). Blade bright green, marked with large and small red spots.
46. variety Lindenii, Engl. (C. Lindenii, Hort.). Blade bright green, with confluent small red spots.
47. variety Verschafifeltii, Engl. (C. Verschaffellii, Lem.). Petiole pale green; blade very beautiful green, with few irregular crimson spots. I.H. 5:185. B.M. 5263. Lowe, 46.
cc. Shape of blade lanceolate-sagittate.
48. picturatum, C. Koch. Petioles usually green, variegated below, elongated; blade lanceolate-sagittate, cuspidate and submucronate at the apex, the upper lobe nearly triangular, oblong or ovate-lanceolate, basal lobes over half as long, lanceolate subacute, connate one-sixth to one-fourth their length, separated by a triangular sinus; primary lateral veins 4-7, erect-spreading or spreading. Brazil. - Variable, furnishing many of the fancy-leaved caladiums.
(1) Transparent white blade.
49. variety Belleymei, Engl. (C. Belleymii, Hort.). Fig. 733. Petiole greenish above, variegated violet beneath; blade slenderly hastate-sagittate, white, translucent except the green veins and nerves, with small green spots along the margin; basal lobes 1-5, or rarely one-fourth or one-third connate. Para. I.H. 7:252. A.F. 8:127. G. 2:89.
(2) Pale green blade.
(a) With transparent blotches.
50. variety hastatum, Engl. (C. hastatum, Lem.). Petiole long, stout, white, violet-spotted; blade hastate-sagittate, slightly contracted above the lobes; dull, pale green, very irregularly marked with transparent blotches; basal lobe one-fourth connate, crimson margined in the sinus. Para.
51. variety albostriatulum, Engl. Blade greenish white along the midrib and veins, white-striped and dotted between the nerves.
52. variety Osyanum, C. Koch. Blade white along the midrib and primary veins, with purple spots between the veins.
53. variety porphyroneuron, Engl. (C porphyroneuron, C. Koch. C. cupreum, Hort. Alocasia porphyroneura, Lem.). Petiole pale reddish, variegated with dull violet; blade broadly hastate-sagittate, dull, pale green, slightly reddish on the veins, opaque basal lobes one-sixth to one-third connate. Peru and Brazil. I.H. 8:297.
(3) Dark green blade.
54. variety elegans, Engl. Petiole rosy, greenish below, variegated; blade narrowly hastate-sagittate, slightly contracted above the lobes, dark green above, broadly red or purple next the midrib and primary lateral veins; basal lobes one-fifth connate.
55. variety Lemaireanum, Engl. (C. Lemaireanum, Barr. C. picturatum albinervium, C. Koch. C. pictura-tum viridissimum, C. Koch). Blade shaped like preceding, dark green; midrib and primary veins pale green or white. S. Amer., 1861. I.H. 9:311.
56. variety Troubetskoyi, Engl. (C. Troubetskoyi, Chantin. C. Appunianum, Hort.). Petiole red, variegated; blade very narrowly hastate-sagittate, slightly contracted above the lobes, dark green above, broadly marked with pale red along the midrib and primary veins, and with scattered, transparent, small white or rose spots. F.S. 13:1379.
ccc. Shape of blade oblong-ovate, or oblong: plant small.
57. Humboldtii, Schott. (C. argyrites, Lem.). Fig. 734. Petiole slender, variegated, 2 to 3 times longer than the blade; sheath slender, narrow; blade oblong-ovate, or oblong, green along the margin, midrib and primary veins, with many large and small transparent spots between; shortly and very acutely acuminate, the apical lobe oblong-ovate, twice as long as the oblong or ovate-triangular, obtuse basal ones; basal lobes one-third connate, separated by an obtuse triangular sinus, the 3-4 primary veins of the apical lobe uniting in a collective nerve remote from the margin. Brazil. I.H. 5:185. F.S. 13:1345. Gng. 3:279. A.F. 10:197. Lowe, 22. C.L.A. 19:343. G. 14:501.
Fig. 734. Caladium Humboldtii. (No. 57.)
58. variety myriostigma, Engl. (C. myriostigma, C. Koch). Blade marked everywhere with small white spots.
The following names are in the trade, or occur in the fists of dealers and fanciers, but are not identified botanically:-albanense, Barrattii, candidum, Endlich-erianum, Fenzlianum, Ortgiesii, Petschkanii, Rodeckii, speciosum, Thelemannii, venosum.
C. esculentum = Colocasia antiquorum eseulenta. - C. odoratum, Lodd.=Alocasia macrorrhiza. - C. pubtscens, N.E.Br. .A new species, distinct from those already in cult, by being pubescent. Peru. B.M.8402. Jared G. Smith.
Geo. V. Nash.†