Herbs, perennial, viscid-pubescent, from tuberous taproots. Stems erect to spreading, unarmed, without glutinous bands on internodes. Leaves long petiolate, unequal in each pair, thick and fleshy, base ± asymmetric. Inflorescences axillary and terminal, long pedunculate, capitate; bracts 6-20, forming involucre, subtending cluster of more than 3 flowers; outer bracts ovate or lanceolate, apex acuminate or narrowly acute; inner bracts persistent, not accrescent, distinct, narrower than outer, herbaceous. Flowers bisexual, chasmogamous and/or cleistogamous; cleistogamous perianth small green dome atop developing turbinate base; chasmogamous perianth radially symmetric, orange-red, or all yellow, funnelform, constricted beyond ovary, abruptly expanded to 5-lobed limb; stamens 5-8, slightly exserted; styles exserted slightly beyond stamens; stigmas capitate. Fruits radially symmetric, turbinate, constricted beyond base, apex umbonate, stiffly coriaceous; ribs 10 low, rounded, each swollen at junction of distal, umbonate portion, glabrous, smooth, without glands.
This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].