Cyathula

Annual or perennial herbs with entire, opposite leaves. Inflorescence terminal on the stems and branches. Bracts persistent. Fertile flowers in a group of 3, the outer pair with bracteoles and subtended laterally by 2 modified sterile flowers consisting of a number of strongly hooked spines. Bracteoles sometimes with a hooked awn. Perianth segments 5. Stamens 5, alternating with pseudostaminodes. Fruit a thin-walled capsule.

Cyathula is a genus of medicinal and ornamental plants in the family Amaranthaceae. They are distributed in Africa, Asia, Oceania and the Americas.

Species include:

Cyathula achyranthoides (Kunth) Moq. Cyathula albida Cyathula alternifolia Cyathula angustifolia Cyathula biflora Cyathula braunii Cyathula capitata Moq. Cyathula ceylanica Cyathula cordifolia Cyathula coriacea Cyathula crispa Cyathula cylindrica Cyathula deserti Cyathula distorta Cyathula divulsa Cyathula echinulata Cyathula erinacea Cyathula fernando-poensis Cyathula geminata Cyathula geniculata Cyathula globosa Cyathula globulifera Cyathula hereroensis Cyathula hererpensis Cyathula humbertiana Cyathula kilimandscharica Cyathula lanceolata Cyathula lancifolia Cyathula lindaviana Cyathula madagascaricuais Cyathula mannii Cyathula merkeri Cyathula mollis Cyathula natalensis Cyathula obtusifolia Cyathula officinalis – kuan, radix cyathula Cyathula orbiculata Cyathula orthacantha Cyathula orthacanthoides Cyathula paniculata Cyathula pedicellata Cyathula perricriana Cyathula pobeguinii Cyathula polycephala Cyathula prostrata – Prostrate Pastureweed Cyathula repens Cyathula sanguinolenta Cyathula schimperiana Cyathula semirosulata Cyathula sequax Cyathula spathulata Cyathula spathulifolia Cyathula sphaerocephala Cyathula strigosa Cyathula tomentosa Cyathula triuncinata Cyathula triuncinella Cyathula uncinulata