Anaphyllopsis A.Hay
  • Aroideana 11: 25 (1988 publ. 1989) 


Notes: Distribution: S. Trop. America

General Description

HABIT : seasonally dormant (A. americana), solitary herbs, rhizome hypogeal, erect. LEAVES : solitary, rarely 2. PETIOLE : unarmed, smooth to tubercular, geniculate apically. BLADE : pinnatifid and perforate or pinnatisect, juvenile leaves entire; basal ribs well-developed, primary lateral veins of ultimate lobes pinnate, higher order venation reticulate. INFLORESCENCE : solitary, rarely 2. PEDUNCLE : long, similar to petiole in colour and texture. SPATHE : membranaceous, papery when dry, marcescent, convolute basally, spirally twisted apically. SPADIX : stipitate, stipe mostly adnate to spathe, flowering sequence basipetal. FLOWERS : bisexual, perigoniate; tepals 4, fornicate. STAMENS : 4, filaments short, linear, connective slender, thecae dehiscing by short, apical pore-like slits. POLLEN : monosulcate, ellipsoid, medium-sized (31 µm.), exine foveolate, apertural exine psilate. GYNOECIUM : ovary 1-locular, ovules 1-2, anatropous, placenta basal, style ± attenuate, stigma subcapitate. BERRY : ovoid to obpyramidal, reddish. SEED : campylotropous, testa thick, verruculose to channelled, embryo curved, endosperm present.

Diagnostic Description

Seasonally dormant, solitary helophytes with erect hypogeal rhizome; petiole unarmed, smooth to tuberculate, geniculate apically; spathe twisted apically; flowers bisexual, perigoniate. Differs from palaeotropical Anaphyllum in having seeds with a thick, verrucose testa and a curved embryo and in its neotropical range.

Habitat

Tropical humid swamp forest; helophytes in sandy, partially flooded places along streams, swamp forest.

Distribution

S. Trop. America.

Distribution Map

 
  • Native distribution
Found in
  • Southern America Brazil Brazil North
  • Northern South America French Guiana
  • Suriname
  • Venezuela

  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
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eMonocot. (2010, 1st November). Retrieved Wednesday, 8th February, 2012, from http://e-monocot.org.
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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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