Family:
Araceae Juss.

Thaumatophyllum uliginosum (Mayo) Sakur., Calazans & Mayo

This species is accepted, and its native range is Brazil.

[CATE]

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

Distribution
Brazil.
General Description
STEM: erect, 35-150 cm tall, up to c. 5 cm diam., sometimes branching at base to form clumps; adventitious roots not seen above ground; internodes 0.5-5 mm long, greyish-brown; prophyll scars 0.3-1.4 cm long, glossy greyish brown; intravaginal squamules inconspicuous, sometimes persistent, often lacking, small, patent, 1.5-3.5 mm long, 0.5-1.7 mm broad at base, triangular, acuminate, distant, inconspicuous on older part of stem; foliage leaf scars 2-2.9 cm broad, 2-2.5 cm wide, broadly obovate, rhombic or transversely elliptic, greyish-brown becoming grey on older stem portion. LEAF: prophyll about 17 cm long; petiole 25 - 40 cm long, 0.5-0.7 cm diam. at apex, sulcate adaxially with ± sharply angled margins, rounded abaxially, sheath 3.5-11 cm long; leaf blade triangular- to ovate-sagittate, rarely subhastate, margins entire, rarely repand, overall length (18-)20-46(-53) cm, overall width (10-)15-26(-34) cm, upper surface dark to mid green, glossy, lower surface paler, duller; anterior division 18.5-30 cm long, 16-26 cm wide, apex subacute to acute, primary lateral veins (5-)6-7 per side, arising at angle of 30-80° to midrib, somewhat paler than blade on both surfaces, finest parallel veins paler than blade on upper surface; posterior divisions 6-16 cm long, 0.24-0.34 x overall blade length, 8.5- 13 cm wide, basal ribs denuded for (0.9-)1.8- 4 cm, tip acute to subacute, rounded at extremity, primary acroscopic veins (l-)2(-3), primary basiscopic veins 0-3. INFLORESCENCE: peduncle 7.5 - 17(-22) cm long; spathe 10.5-15.5(-16.5) cm long, ca. 3.5-5.5 cm diam. at middle, somewhat constricted, decurrent for 2.5-3.5 cm, at anthesis outer surface green becoming yellowish- or white-membranous at margins, inner surface creamy white; spadix 9.2-9.9(-11) cm long overall, fertile male zone (3.0-)3.5- 4 cm long, (1.3-)1.9 - 2 cm diam., subclavate, white, sterile male zone 3.3-5.5 cm long, (1.3 -)1.7-2 cm diam., cylindric, female zone 1.8-2.5 cm long, (1.0-)1.4 - 1.5 cm diam. near base, tapering upwards. FLOWERS: stamens 5-5.5 mm long, 0.6-1.2 mm diam. at apex, tapering slightly towards base; staminodes 4.2-5.1 mm long, 0.7-1.4 mm diam. at apex, tapering somewhat towards base, prismatic, truncate; gynoecium 3-4 mm long, ovary 15-2.2 mm diam., ± cylindric or barrel-shaped, locules 3-6, ovules 1 - 4(-5) per locule, inserted from near base to somewhat above middle of locule, ± distant, style body somewhat narrower than crown, raphides abundant around stylar canals and in ovary axis, compitum not penetrating ovary, style crown as broad as ovary, densely tanniniferous, lobes well-developed, central dome lacking, stylar canals entering locules subapically, stigma 1.5-2.7 mm diam., completely covering style lobes, ± lacking tannin hairs. INFRUCTESCENCE: berry many-seeded, 1.0-1.2 cm long, 0.6-0.9 cm diam., ± cylindric, white to beige, with delicious mango-like flavour, stigma remnant blackish; seed 2.8-3.5 mm long, 1.6-2 mm diam., ovoid.
Habitat
In flushes and marshes in open, upland grasslands ('campo'), in shade of gallery forests or gallery forest margins, along streams.

Native to:

Brazil North, Brazil Southeast, Brazil West-Central

Thaumatophyllum uliginosum (Mayo) Sakur., Calazans & Mayo appears in other Kew resources:

Date Reference Identified As Barcode Type Status Has image?
May 1, 1986 Hatschbach, G. [35350], Brazil Philodendron uliginosum K000434654 isotype Yes
May 1, 1986 Hatschbach, G. [35350], Brazil Philodendron uliginosum K000434653 isotype Yes
s.coll. [s.n.], Brazil Philodendron uliginosum 29047.415 No
Hatschbach, G., Brazil Philodendron uliginosum 29047.418 No
Mayo et al [700], Brazil Philodendron uliginosum 29047.780 No
Mayo [712], Brazil Philodendron uliginosum 58047.000 No
Mayo [712], Brazil Philodendron uliginosum 58052.000 No
Mayo [700], Brazil Philodendron uliginosum 58059.000 No
Mayo [700], Brazil Philodendron uliginosum 58063.000 No
Mayo [712], Brazil Philodendron uliginosum 58075.000 No
Mayo [711], Brazil Philodendron uliginosum 59087.000 No
Mayo [700], Brazil Philodendron uliginosum 59100.000 No
Mayo [700], Brazil Philodendron uliginosum 59103.000 No

First published in PhytoKeys 98: 64 (2018)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Literature

Kew Backbone Distributions

  • Gomes Gonçalves, E. & Nadruz Coelho, M.A. (2009). Araceae Flora dos estados de Goiás e Tocantins 39: 1-109. Universidade Federal de Goiás.

  • 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

  • Herbarium Catalogue Specimens

    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

  • Kew Science Photographs

    Copyright applied to individual images