Illigera luzonensis Merr.

Leaves: petiole 4-12 cm, petiolules 0.5-3 cm, glabrous or velutinous; leaflets thinly chartaceous or chartaceous, (sub)orbicular, or ovate, 4-13 by 3-10.5 cm, acute or with an 0.5-1 cm long acumen, base truncate, cordate, or cuneate, the upper surface drying (blackish) brown, the lower surface conspicuously paler, both surfaces glabrous or (sparsely) hairy, especially the midrib; domatia sometimes present; lateral nerves 3-5 pairs, at angles of c. 30° with the midrib; leaflets of flowering lateral shoots smaller, 4-7 by 2.5-5.5 cm, ovate or suborbicular with base almost rounded (rarely subcune-ate). Thyrses glabrous or towards the flowers (and fruits) velutinous. Flower buds ovoid or ellipsoid, (5-)8 mm long. Bracteoles 1.5-2 by 0.8-1 mm, glabrous or velutinous. Perianth in anthesis green or pale pink, glabrous or somewhat hairy; inner and outer tepals slightly unequal, outer tepals lanceolate, 10-12.5 by 3-4 mm, acute or 0.5 mm mucronate, inner ones 9-11 by 2.5-3 mm, narrow at the base. Filaments ± filiform, 7-7.5 mm long; staminal appendages inflated, spathe-like, dorsally cleft, including the 0.5-1 mm long stipe 2.5-3.5 mm long; interstaminal glands present. Fruits with 2 large wings and with (one or) two obsolete wings or ridges; nut 1.5-3.5 cm long, wings variable, hemi-orbicular or sublingulate, longer wings 1.5-2.5 cm long, shorter ones 0.5(-l) cm long.

A tropical plant. They are common in areas of shrub at low and medium altitudes in the Philippines from northern Luzon to Palawan. In China they are in dense secondary forest from near sea level to 1,300 m above sea level.

The leaves are cooked and eaten with fish.