Pothos ovatifolius Engl.

Wong, Sin Yeng & Joling, Jyloerica, 2021, Checklist of aroids (Alismatales, Araceae) from Sabah (Malaysian Borneo), Check List 17 (3), pp. 931-974 : 957

Pothos ovatifolius Engl.

Figure 5G

Material examined. MALAYSIA – Pantai Barat • Tambunan Distr., road to Kg Tondulu, Kg Tondulu valley; Boyce 1422 (K) • Tambunan Distr., Kg Kangeran road, Bt. Lapan, 1.5 hours by car from Kg Kangeran; Boyce 1423 (K).

Identification. This species belongs to the Allopothos supergroup ( Boyce and Hay 2001) and can be distinguished by its leaf blade stiffly chartaceous to coriaceous, (3–)8.5–27 × (2.5–) 7–27 cm, spreading, oblong ovate to very broadly ovate, oblique, sometimes profoundly so, base broadly rounded to narrowly cordate.

Distribution and ecology. Found in small, scattered populations in wet river valleys in Sabah. This species is not common in northern Borneo. Primary to degraded secondary lowland to lower montane forest, 70–1400 m elev.