Perennial herbs with woody, occasionally tuberous rhizomes. Stems erect or plants nearly stemless, suffruticose. Indumentum of simple or stipitate glandular capitate trichomes. Leaves cauline or all nearly basal, alternate, stipulate; leaf blade 1-3-pinnatisect. Flowers bisexual, 5-merous, actinomorphic, 2-bracteolate in paniculate, spicate, or pseudocapitate inflorescences. Sepals free, persistent, occasionally accrescent in fruit. Petals free, alternating with 5 extrastaminal nectary glands, yellow to reddish yellow, rarely white, often denticulate at apex. Stamens 10; filaments connate at base; anthers tetrasporangiate, introrse. Gynoecium of 5 carpels; ovary superior, deeply lobed with 5 free gynobasic stylodia connected above into a capitate stigma; ovules pendulous, anacampylotropous, unitegmic, crassinucellate. Fruit a schizocarp, consisting of 5 indehiscent 1-seeded dry mericarps. Seeds large with rounded raphe; embryo slightly curved, with scanty endosperm. Perennial herbs with woody, occasionally tuberous rhizomes. Stems erect or plants nearly stemless, suffruticose. Indumentum of simple or stipitate glandular capitate trichomes. Leaves cauline or all nearly basal, alternate, stipulate; leaf blade 1-3-pinnatisect. Flowers bisexual, 5-merous, actinomorphic, 2-bracteolate in paniculate, spicate, or pseudocapitate inflorescences. Sepals free, persistent, occasionally accrescent in fruit. Petals free, alternating with 5 extrastaminal nectary glands, yellow to reddish yellow, rarely white, often denticulate at apex. Stamens 10; filaments connate at base; anthers tetrasporangiate, introrse. Gynoecium of 5 carpels; ovary superior, deeply lobed with 5 free gynobasic stylodia connected above into a capitate stigma; ovules pendulous, anacampylotropous, unitegmic, crassinucellate. Fruit a schizocarp, consisting of 5 indehiscent 1-seeded dry mericarps. Seeds large with rounded raphe; embryo slightly curved, with scanty endosperm.General Information
Source: [
Flora of China @ efloras.org
General Information
