Big woody climber. Stem robust (seen up to 2.5 cm ø), longitudinally ribbed (2-3 mm) and with distant transverse linear lenticellar cracks. 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; petiole subappressedly rufous to ferrugineous-setulose, (3-)4-8(-12) by 2-4 mm. ♂ Inflorescences pendent from old wood, tail-like as in P. trichura, sessile, compact, consisting of numerous repeatedly branched and shortly pedicelled dichasia, all over covered with greyish to brownish softer and coarse, in part hooked hairs, (12-)15-25(-50) by 3-4(-5) cm, most of the ultimate pedicels bearing a narrowly to broadly subulate-caudate, (1.2-)2-3.5 cm long and at base (1-)2-5 mm broad persistent bract, the latter covered with the same short to-mentum and besides with longer, spreading, often dark red or brownish hairs which give the bracts a ± plumose appearance; flowers in globular pedicelled heads (3-4 mm ø). Calyx segments 4 or 5, irregularly obcuneate to spathulate, distally densely hairy outside, glabrous inside, 1 mm. Petals 4, oblong-obovate, acutish, fleshy, slightly to densely hairy outside only especially below, 1.5 mm. Stamens 4; anther cells oblong-elliptic, 0.5 mm. ♀ Inflorescence unknown. Drupe unknown.
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