[Greek kyklos, circle, and aden, gland, alluding to arrangement of nectaries below ovaries]

David E. Lemke

Herbs, perennial, from ± woody rhizomes; latex not milky. Stems erect or slightly spreading, unarmed, glabrous or eglandular-pubescent. Leaves deciduous, opposite, petiolate; stipular colleters absent; laminar colleters absent. Inflorescences axillary or pseudo-terminal, few-flowered cymes, pedunculate. Flowers: calycine colleters absent; corolla red-violet to pink, funnelform, aestivation dextrorse; corolline corona absent; androecium and gynoecium not united into a gynostegium; stamens inserted at base of corolla throat; anthers connivent, not adherent to stigma, connectives enlarged, 2-lobed, locules 4; pollen free, not massed into pollinia, translators absent; nectary annular. Fruits follicles, usually paired, erect or deflexed, reddish brown, slender-fusiform, terete, striate, glabrous. Seeds elliptic, flattened, not winged, not beaked, comose, not arillate. x = 7.

Species 1: w United States.

Lower Taxon

• Cycladenia humilis Bentham