Araceae
Amorphophallus

Amorphophallus haematospadix Hook.f.

First published in Fl. Brit. India 6: 517 (1893)
This species is accepted
The native range of this species is Peninsula Thailand to Peninsula Malaysia (Pulau Langkawi). It is a tuberous geophyte and grows primarily in the wet tropical biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: threatened. Confidence: low confidence
[AERP]

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

Distribution

Peninsular Thailand, Peninsular Malaysia, Indonesia (Sumatra?).

General Description

Tuber depressed globose or subglobose, 2–12 × 2–9 cm producing few annual offsets, these globose, fusiform or obovate, ca 5 × 2 cm. Leaf solitary; petiole uniformly green or olive-green, smooth, 50–85 × 1–3 cm; leaf blade 60–80 cm, rachises broadly winged, except the most proximal parts; leaflets lanceolate, 7–26 × 2–6.5 cm, acuminate, leathery, adaxially dark green, moderately glossy, venation very dense, secondary veins very closely spaced. Inflorescence long pedunculate; peduncle appearance as petiole, 17–40 cm × ca 8 mm; spathe elongate triangular, apiculate, 8–21 × 4–7 cm, margins of limb strongly reflexed, limb on both sides creamy to yellowish white, base exterior creamy or yellowish white, suffused towards the base with pale purplish green, interior dark purple, base within bearing transverse ridges, in between with or without small, punctiform warts; spadix sessile, slightly longer than spathe, occasionally shorter, 9–22.5 cm long; pistillate flower zone shortly cylindrical, 7–10 cm × 6–15 cm, flowers congested; ovaries globose, ca 2.5 × 2.5 mm, creamy white; style slender, 2–3 × 0.5 mm, reddish brown; stigma subglobose, 0.5 × 0.6–0.8 mm, entire or 2-lobed, verruculose, dark grey, lobes rounded; staminate flower zone cylindrical or slightly obconical, 7–15 × 1.3–2.5 cm, flowers congested; staminate flowers 3–4-androus; stamens, dull dark blackish purple; appendix cylindrical-clavate, 8–19.5 × 1–2 cm, basal half terete, upper half slightly fusiform and slightly laterally compressed, apex rounded, glossy or dull reddish to dark greyish black with a faint reddish purple hue, base with or without several diamond-shaped, flattened staminodes, some of these with a small conical process. Fruit not seen.

Habitat

Limestone.

[CATE]

Uses

Use

None recorded.

[CATE]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • 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

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • 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 Vascular Plants 2024. 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 2024. 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