Alloschemone Schott
  • Gen. Aroid., App.: 99 (1858) 


Notes: Distribution: N. Brazil to Bolivia

General Description

HABIT : evergreen climbing herbs, stem epidermis becoming distinctly corky and longitudinally furrowed with age. LEAVES : large, juvenile leaves unknown. PETIOLE : geniculate apically, thickened at base, sheath short. BLADE : pinnatifid, subcordate, lobes (pinnae) acute, falcate, 4-6 per side, primary lateral veins 1 per lobe (pinna), secondary laterals ± parallel-pinnate, higher order venation reticulate. INFLORESCENCE : solitary. PEDUNCLE : shorter than petiole. SPATHE : ovate-cymbiform, deciduous. SPADIX : stipitate, cylindric, apex obtuse. FLOWERS : bisexual, perigone absent. STAMENS : 4, filaments flattened, free or connate, shorter than ovary, thecae oblong, dehiscing laterally by oblique, apical, pore-like slit. POLLEN : not fully zonate, ellipsoid, medium-sized (mean 46 µm), exine shallowly foveolate. GYNOECIUM : ovary prismatic, 1-locular, with abundant locular mucilage, ovule 1, amphitropous, funicle with trichomes, placenta basal, stylar region densely packed with trichosclereids, stigma sessile, elliptic. BERRY : unknown. SEED : unknown.

Diagnostic Description

Climbing hemiepiphytes with abundant trichosclereids; stem epidermis becoming distincly corky and longitudinally furrowed with age; adult leaf blade pinnatifid, flowers bisexual. Differs from Monstera in that it has a 1-locular ovary, ovule solitary, amphitropous with basal placentation.

Habitat

Tropical humid forest; climbing hemiepiphytes.

Distribution

N. Brazil to Bolivia.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Brazil Brazil North
  • Western South America Bolivia

  Bibliography

  • 1 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.
  • 2 Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
  • 3 Gardens, K.""Royal Bot World Checklist of Selected Plant Families. (2008).
  • 4 Mayo, S.J., Bogner, J. & Boyce, P.C. The Genera of Araceae. (Royal Botanic Gardens Kew: 1997).

 Information From

CATE Araceae
http://araceae.e-monocot.org
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, 14 Dec 2011 . 17 Dec 2011.
  • A All Rights Reserved
eMonocot
http://e-monocot.org
eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
  • B Content licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
World Checklist of Selected Plant Families
http://apps.kew.org/wcsp/
WCSP 2014. 'World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://apps.kew.org/wcsp/ Retrieved 2011 onwards
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