Araceae
Pinellia cordata N.E.Br.
SUMMARY
Tuber depressed globose, 1-1.5 cm in diam. Leaves 1-3; petiole 12-25 cm long, green or purple; leaf blade cordate-oblong, cordate-ovate or cordate to sagittate, 4-25 × 2-7.5 cm, green above, greenish or purple below, long-acuminate at apex, base deeply cordate, primary lateral veins 9-10 per side; bulbils present at basal portion of petiole and at base of leaf blade (apex of petiole), ovoid. Inflorescence with peduncle shorter than petioles, 3.7-18 cm long; spathe green, purplish yellow or violet, 4-7 cm long, tube 1-1.3 cm long and wide, limb elliptic, 3-4.5 × 1.2-3 cm, apex obtuse or acute, erect or slightly incurved; spadix 9-23 cm long; female zone (0.8-)1-1.2 cm long; male zone 5-7 mm long; sterile zone between female and male flowers 7-8 mm long; appendix violet-green, 6.5-20 cm long, tortuous. Female flowers densely arranged; pistil c. 2.5 mm long, ovary ellipsoid-oblong, c. 2 mm long and 1 mm in diam., style short, c. 0.3 mm long and 0.5 mm in diam., stigma discoid, 0.6-0.7 mm in diam. Male flowers with thecae elongate, c. 1.8 mm long, opening by a slit. Berries ovoid. – Fig. 3.