Dillenia pentagyna Roxb.
കാട്ടുപുന്നക്കായ്
Family : DILLENIACEAE
Synonym : Dillenia augusta Roxb.
Common Names : Kattupunnakai, Kodapunna, Malampunna, Naithekku, Pattipunna, Punna, Valapunna, Vazhapunna
Flowering Period : February-June
Distribution : Indo-Malesia
Habitat : Deciduous forests
Uses : Flower buds edible - raw, cooked or pickled. A pleasant, acidic taste. The immature fruits are also eaten, either raw, cooked or pickled. A paste of the leaves is applied as a poultice to treat scorpion bites. The old leaves contain an abundance of silica and are used as a sand paper. A fibre obtained from the inner bark is used for cordage. The wood is used for planking, house posts and furniture.
Key Characters : Deciduous trees, to 25 m high, bark 15-20 mm, thick, surface
grey, molted with white, smooth; blaze pink-red; branchlets stout, with
prominent 'V' shaped leaf scars. Leaves simple, alternate, spiral, clustered at
the tip of branchlets, 15-60 x 10-25 cm, obovate to oblong-lanceolate,
scarious, apex obtuse, base acute or attenuate, margin serrate, rarely entire,
glabrous above, puberulent beneath; lateral nerves many, parallel, prominent,
intercostae scalariform, faint; estipulate; petiole 15-60 mm long, sheathing,
stout, glabrous, winged. Flowers bisexual, fascicled on old branches, 2.5-3 cm
across, yellow, fragrant; pedicels 2.5-6 cm long; bracts hairy. Sepals 5, 8-12
mm long, obovate or elliptic, glabrous, accrescent. Petals 5, 10-20 x 7-12 mm,
obovate, obtuse, bright yellow. Stamens numerous, yellow in 2 series, outer
series with 60-90 stamens, each 2.5-4 mm long, inner series with up to 10 stamens,
each 6-9 mm long. Carpels 5-10, cohering at the axis, arranged on the narrow
conical receptacle, unilocular, ovules many; styles free, 4 mm long. Fruit an
aggregate of berries, drooping, subglobose, 15 x 13 mm, indehiscent, fleshy,
yellow, orange or red, subtended by persistent sepals; seeds numerous, 5 x 3.5
mm, ovoid, black, glabrous, exarillate.