Phytocrene borneensis
Content
Description
Big woody climber.
Branchlets ± patently rufous-setose and striate at distal part (3-6 mm ø).
Leaves ovate in circumference, simple, or subtrilobed, or deeply obtusely 3-lobed, base cordate, edge very shortly denticulate by protruding veins, chartaceous to subcoriaceous, young ones soft-tomentulose all over both faces, mature ones finally glabrous above, ± densely covered with appressed to suberect rather stiff hairs especially on nerves, and soft to the touch beneath, 15-25(-30) by (8-)10-18(-22) cm, nerves slightly sunken above, strongly raised beneath, basal palmate nerves 7-9 pairs, branched mainly outward, upper ones from the midrib 3-4 pairs of entire, and 4-6 ones in the central lobe of lobed leaves, all these nerves curved-ascending, connected by numerous straight and ± transverse veins and a coarse reticulation markedly prominent underneath only;