Araceae

Anaphyllopsis A.Hay

First published in Aroideana 11: 25 (1988 publ. 1989)
This genus is accepted
The native range of this genus is S. Tropical America.

Descriptions

CATE Araceae, 17 Dec 2011. araceae.e-monocot.org

Habitat
Tropical humid swamp forest; helophytes in sandy, partially flooded places along streams, swamp forest.
Diagnostic
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.
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.
[CATE]

Sources

  • 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.
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0