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This species is accepted, and its native range is Costa Rica to W. Panama.


CATE Araceae, 17 Dec 2011.

Known from Chiriqui Province in Panama and adjacent Puntarenas Province in Costa Rica.
Lower montane rain forest.
General Description
Epiphytic; stem to 16 cm long; leaf scars 2.5 cm wide; roots numerous, descending, green, smooth, 5-1 5 mm diam.; cataphylls moderately coriaceous, 20-30 cm long, long-acuminate at apex, medium green, sparsely pale-speckled, matte, drying tan (B & K yellow-red 9/10), persisting ± intact. LEAVES erect-spreading; petioles 20-27 cm long, 7-10 mm diam., quadrangular to bluntly D-shaped, flattened to broadly and shallowly sulcate adaxially, rounded abaxially, surface pale-speckled; geniculum thicker and slightly paler than petiole, becoming fissured transversely with age, 3-4.5 cm long; blades coriaceous, oblong to oblong- oblanceolate or lanceolate, acute at apex (the acumen apiculate), acute and decurrent to rounded at base, 47-69 cm long, 10- 19 cm wide, broadest at or near the middle, the margins broadly undulate; both surfaces matte, dark green above, paler below; midrib flat at base, becoming obtusely angular and narrowly raised at apex above, bluntly 2-ribbed and higher than broad at base, becoming prominently and convexly raised toward the apex below; primary lateral veins numerous, departing midrib at 60-70º angle,± straight, arcuate near the margin, sunken in grooves above, raised below, paler than surfaces; interprimary veins obscure above, darker than surface below; tertiary veins obscure above, darker than surface below; collective vein arising in the upper third of the blade, weakly sunken above, raised below, less prominent than primary lateral veins, 5-6 mm from margin. INFLORESCENCES spreading, shorter than leaves; peduncle 33-39 cm long, 9-1 2 mm diam., 2 x as long as petiole, subterete; spathe reflexed, coriaceous, dark green (B & K yellow-green 5/10), ovate-lanceolate, 16-17 cm long, ca. 4 cm wide, inserted at 45º angle on peduncle, acuminate at apex, rounded at base; stipe 7-13 mm long in front, ca. 3 mm long in back; spadix pale lavender to violet-purple (B & K purple 6/5 to 5/2.5), tapered, 15-23 cm long, (4)6-12 mm diam. near base, 2-5 mm diam. near apex; flowers rhombic, 3-3.5 rnm long, 3.1-3.6 mm wide, the sides straight to weakly sigmoid; 7-8 flowers visible in principal spiral, 8-1 0 in alternate spiral; tepals matte; lateral tepals 1.5-1.8 mm wide, the inner margins broadly convex; pistils scarcely emergent, green; stigma ellipsoid, ca. 0.6 mm long, droplets appearing for ca. 1 week before stamens emerge; stamens emerging rapidly from near the base or sometimes from near the middle, lateral stamens emerging to midway before alternates appear; anthers yellow-orange, ca. 1 mm long, 1.2 mm wide, inclined over the pistil; thecae oblong-ellipsoid, scarcely divaricate; pollen yellow-orange (B & K yellow-red 8/5). INFRUCTESCENCE pendent; spathe twisted; spadix 24- 26 cm long, 2.3-2.5 cm diam.; berries bright orange, obovoid, flattened at apex, 0.8-15 mm long; pericarp thin, ± transparent; mesocarp fleshy, orange, with minute raphide cells; seeds 1-2 per berry, pale yellow, ovoid, with a somewhat flattened appendage at both ends, enveloped by somewhat dry, sac-like structure .

Native to:

Costa Rica, Panamá

Anthurium validifolium K.Krause appears in other Kew resources:

First published in Notizbl. Bot. Gart. Berlin-Dahlem 11: 607 (1932)

Accepted by

  • Hammel, B.E. & al. (2003). Manual de Plantas de Costa Rica 2: 1-694. Missouri Botanical Garden Press, St. Louis.
  • Govaerts, R. & Frodin, D.G. (2002). World Checklist and Bibliography of Araceae (and Acoraceae): 1-560. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.


CATE Araceae

  • Croat, T.B. 1991. A revision of Anthurium Section Pachyneurium (Araceae). Annals of the Missouri Botanical Garden. 78 (3): 539-855

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.

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.