离药金腰箭属 li yao jin yao jian shu

Fingalia Schrank; Gymnolomia Kunth; Kegelia Schultz Bipontinus; Ogiera Cassini.

Herbs, annual. Stems erect or sprawling. Leaves opposite, petiolate; blade ovate to trullate, 3-veined. Capitula axillary, solitary, nodding, discoid; involucre campanulate; phyllaries 2- or 3-seriate, herbaceous; receptacles flat, paleaceous; paleae partially involute around outer florets. Florets bisexual, corollas yellow; anthers free, not united into a cylinder, black or golden brown; style branches tapered, apices papillose. Achenes compressed, quadrate to terete, tuberculate; pappus a small apical peg.

Two species: Neotropics, one widely adventive in the Old World; one species (introduced) in China.

Lower Taxon

• Eleutheranthera ruderalis (Swartz) Schultz Bipontinus