Araceae
Sauromatum

Sauromatum diversifolium (Wall. ex Schott) Cusimano & Hett.

First published in Taxon 59: 445 (2010)
This species is accepted
The native range of this species is W. India, Himalaya to S. Central China and Indo-China. It is a tuberous geophyte and grows primarily in the subtropical 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: not threatened. Confidence: confident
[AERP]

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

General Description
Underground part a subglobose tuber, 1–1.5cm high, 0.5–1.2cm in diam., producing annual offsets. Petiole 10–30cm; leaf blade simple and ovate-lanceolate, 2–22 × 1–25cm, cuneate to hastate, 3–5-lobed or pedately 5–9-sect, lobes elliptic to linear. Inflorescence appearing just before or alongside leaves; peduncle 3–14cm. Spathe base oblong-ovoid, 2–4 × 1–2cm; limb outside green, sometimes flushed with purple or purple all over, inside dark purple or greenish with dark purple veins and flushes, oblong-lanceolate, 4–13 × 2–5cm, apex acuminate to shortly caudate. Spadix shorter than spathe, 4–12cm; female zone cylindric, 0.5–1.5 cm × 4–7 mm; ovary: basal half white, apical half purple, ellipsoid; stigma sessile, white; sterile zone 1–3 cm, base swollen and with long staminodes, rest fusiform, with verrucate staminodal structures; proximal staminodes clavate, with only apical part distinctly and abruptly swollen, basal part filiform, whitish with purple flushes, clavate part yellow with a purple tip or purple; staminodal structures consisting of narrowly elliptic, shallow ridges with verrucate-corrugate surface, white, pale purple, or violet; male zone cylindric, 0.6–1.3cm × 1.5–7mm; appendix blackish purple, broadly to narrowly cylindric, 1–7cm × 2–8mm, obtuse or subacute.
Habitat
Open grasslands, meadows, alpine damp open ground.
Vernacular
gao yuan li tou jian
[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 2025. 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 2025. 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