Tuber depressed globose, 3-4 cm in diam., with a few tubercles around. Cataphylls, petiole, and peduncle greenish, unmarked. Cataphylls 2, membranous. Leaves 1 or 2; petiole 32-36 cm × 5-8 mm, basal 3-4 cm sheathing into pseudostem; leaf blade radiate; leaflets 11-13, sessile, pale green abaxially, green adaxially, narrowly elliptic, unequal, (including filiform tail) 1-1.5 × 1.1-2.2 cm. Peduncle emerging from pseudostem, much shorter than petioles, only ca. 7 cm. Spathe dark purple, with whitish stripes; tube whitish green inside, funnelform, short, ca. 3.8 × 1.5 cm, gradually opening to throat, throat obliquely truncate, not recurved; limb incurved, purple-green with indistinct stripes outside, dark purple with greenish stripes inside, triangular-ovate, 6.5-9 (male) × ca. 4 cm, apex abruptly acuminate and long caudate with filiform tail ca. 2 cm (female) to 4.5 cm (male). Spadix unisexual; female zone ca. 1.5 cm; ovaries dense, green, ovoid-globose; ovules 4, basal, erect; stigma subsessile, punctate; male zone ca. 2.4 cm × 3-4 mm; synandria dense, subsessile; anthers 2-6, violet, globose, dehiscing by apical pores. Appendix yellowish or greenish, with tiny purple dots, cylindric, distally slightly swollen, 3-3.6 cm × 3-6 mm, base truncate with purple stipe ca. 5 mm, apex obtuse. Fl. Jun.
Home