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This species is accepted, and its native range is Panama.
A specimen from Kew's Herbarium


CATE Araceae, 17 Dec 2011.

General Description
Small herb, to 50-80 cm tall; sap lacking foul odor but weakly caustic to skin; stem supported at base by adventitious roots; internodes 6-20 x 0.5- 2.0(3.0) mm diam., dark green, weakly to moderately glossy; petiole scar oblique, one side 3-4 mm wider than the other; petioles 18-43 cm long (averaging 29 cm long), densely granular-puberulent, sheathed 0.25-0.66 their length (averaging 0.43 their length); sheath erect to involute, 6.5-20 cm long (averaging 12.3 cm long), inequilaterally rounded to acute at apex; unsheathed portion 10- 25 cm long (averaging 16.5 cm long), sharply C- shaped, broadly concave adaxially; blades oblongelliptic,27-60 cm long, 6.7-18 cm wide (averaging 40.8 x 11.7 cm), 2.7-4.2 times longer than wide (averaging 3.6 times longer), 1.1-1.8 times longer than petioles (averaging 1.2 times longer than petioles), acuminate at apex, acute at base, inequilateral, one side to 1.5 cm wider than the other, thinly coriaceous, drying moderately thin; upper surface dark green and semiglossy, drying dark brown to olive-green; lower surface slightly paler, almost matte, drying weakly glossy, grayish to yellowish brown; midrib broadly convex-flattened and concolorous above, narrowly rounded, matte, darker and sparsely granular-puberulent below, drying darker than surface, flattened to ridged with one or both margins narrowly raised; primary lateal veins 15 to 17 per side, arising at 30°-40° angle, sweeping prominently toward the apex with as many as 4 to 5 of them simultaneously coursing slong the margin within 1 cm of the margin, sometimes forming weak collective veins, weakly quilted-sunken above, convex and sparself granular-puberulent and somewhat scurfy below, drying darker than surface with the center collapsed and the margins often thin and upturned;minor veins obscurely to moderately visible and darker than surface above, drying moderately distinct; cross-veins sometimes drying moderately distinct below. INFLORESCENCFJS to 3 per axil; peduncle 5.5-15 cm long, 5-8 mm diam., drying 2.5-5 mm diam.; spathe 14- 25 cm long, 1.6-2.5 times longer than peduncle, 2 cm diam. at tube, green on both surfaces; spadix 15.7-18 cm long; free portion 9.5-12 cm long; pistillate portion of spadix 7.3-10 cm long, 8 mm diam.; staminate portion of spadix 7-8.5 cm long, 6 mm diam.; the mostly sterile intermediate portion 1.3-2.5 cm long with a few pistillodes extending in the lower 1/2; pistils 59 to 68, moderately closely spaced, 2 to 4 situated across the width of the pistils; ovaries 1.2-2.0 mm diam.; stigmas 1.6-2.2 diam., depressed-globose; staminodia club-shaped, 1.8-2.8 mm long, 0.4-1.0 mm wide, flattened, free to base, not expanded toward the base, thickened and somewhat granular-puberulent at apex, synandria 2.4-2.8 mm diam., irregularly rounded, broadly sulcate to truncate with slightly overlapping edges, the margins + renulate. INFRUCTESCENCES not seen.
The species is characterized by its moderately small habit, only to 80 cm tall, the granular-puberulent petioles and major veins on the lower blade surface.
Found in the Tropical wet forest (T-wf) life zone (Holdridge, 1967) at 350 to 500 m elevation. It occurs in swampy conditions in creek beds in virgin forest in nearly full shade.
The species has been seen in flow- er in June as well as in October. Mature fruits have been seen in December.
Dieffenbachia galdamesiae is endemic to Panama, known only from central Panama on both sides of the isthmus.

Native to:


Dieffenbachia galdamesiae Croat appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 2002 Galdames, C., Croat, T., Alba, M. [1222], Panama K000400549 isotype

First published in Ann. Missouri Bot. Gard. 91: 709 (2004)

Accepted by

  • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.


CATE Araceae

  • Croat, T. 2004. Revision of Dieffenbachia (Araceae) of Mexico, Central America and the West Indies. Ann. Missouri Bot. Gard.. 91 (4): 668-772

CATE Araceae
Haigh, A., Clark, B., Reynolds, L., Mayo, S.J., Croat, T.B., Lay, L., Boyce, P.C., Mora, M., Bogner, J., Sellaro, M., Wong, S.Y., Kostelac, C., Grayum, M.H., Keating, R.C., Ruckert, G., Naylor, M.F. and Hay, A., CATE Araceae, 17 Dec 2011.

Herbarium Catalogue Specimens
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Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 World Checklist of Selected Plant Families.

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at and
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.