LEGUMINOSAE tribus CASSIEAE Bronn emend. Irwin & Barneby
Leguminosae tribus Cassieae Bronn, De formis pl. legum. 130. 1822, ex parte, quoad genus typicum Cassiam L.
Leguminosae tribus Cassieae subtribus Irregulares Bronn, 1822, l.c., ex parte, quoad genus Cassiam L., caeteris exclusis.
Trees, shrubs, bush-ropes and herbs; leaves paripinnate, imparipinnate (exceptionally bipinnate), 1-foliolate, phyllodal or 0, sometimes bearing nectariferous glands on leafstalks or axes of inflorescence, the lfts either opposite or alternate; stipules lateral, rarely 0; inflorescence racemose or paniculate, the fls regular, zygomorphic, or without axis of symmetry, either hermaphrodite, polygamous or dioecious; bracteoles 0-2; hypanthium cupular, solid, or 0; sepals (3-)4-5(-6), free beyond hypanthium rim, imbricate or rarely subvalvate; intrastaminal disc sometimes (Ceratoniinae, some Dialiinae) present; petals 0-5; stamens variable in number, some often reduced to staminodes; anthers either basi- or dorsifixed, dehiscent by lateral or more often by (sub)terminal slits or pores; pollen 3- or rarely 4-colporate, exceptionally 2-porate; pods highly diverse in form, texture, dehiscence and dispersal; seedlings commonly epigeous; x = 6, 7, 8, 10, 11, 12, 13, 14.