Caudex tuberous, hypogean; petioles stout and succulent, 20-40 cm. long or more, vaginate for 4-5 cm., glabrous; blades glabrous, thin, green, 20-30 cm. wide and 10-15 cm. long or larger, reniform in outline, pedatisect, the segments 5-13, distant, the lateral ones asymmetric, oblong or lanceolate, acuminate, cuneately narrowed to the base, the central segment oblong, acute, the rachis naked between the segments; peduncles slender, 10-15 cm. long; tube of the Fig. 86. Xanthosoina helleborifoliun spathe green, ovoid, 3-4 cm. long, the blade oblong, cuspidate, 6-10 cm. long, yellowish green; pistillate portion of the spadix 2 cm. long, the fertile staminate about 6 cm., the sterile staminate about 5 cm.; ovaries short-ovoid, whitish.
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