Hopea glabra Wight
& Arn.
ഇരുമ്പകം
Family : DIPTEROCARPACEAE
Synonym : Hopea wightiana var. glabra (Wight & Arn.) Bedd.
Common Names : Irumbakam, Karimpongu, Ilapongu, Naithambagam, Puzhupongu, Hopea
Flowering Period : January-July
Distribution : Western Ghats
Habitat : Evergreen forests
Uses : Timber yielding.
Key Characters :
Trees, to 20 m high, bole buttressed; bark 5-6
mm, dark brown; petiole 8-20 mm, slender, glabrous; lamina 6-10 x 2.5-4 cm,
elliptic, oblong-lanceolate, base acute, obtuse or round, apex acute or
acuminate, margin entire, glabrous, coriaceous, lateral nerves 4-8 pairs,
parallel, prominent, intercostae scalariform, prominent. Flowers bisexual,
creamy yellow, 1-3 together in axillary racemose panicles; calyx glabrous,
sepals 5; petals 5, puberulous outside, margin ciliate; stamens 15, slightly
connate; anther orbicular, connective forms a subulate point; ovary superior,
pubescent, 3-celled, ovules 2 in each cell; stylopodium puberulous; style
glabrous, short, subulate. Fruit a nut, ovoid; wings 2, reddish, 7.6 x 1.9.