The hussars buttons (Sanvitalia) are a genus of the family Asteraceae (Asteraceae). The genus contains seven plant species. All types have their original range in Mexico and the southwestern United States. Description There are annual and perennial herbaceous plants, the perennial species are usually very short lived. They are branched and grow normally prostrate. Characteristic of this genus are the oval leaves that provide sessile or with petioles, are alternate on the branches. The leaf margins are entire, sometimes lobed, too. They have small but somewhat körbchenförmige, usually stalked flower heads, the involucre is hemispherical or broadly campanulate. The bracts are one to three rows, are almost the same shape and may be herbaceous dry or at least at the top, sometimes are even the most extreme laubblattartig. The receptacle is shaped conically. The chaff, leaves are folded lengthwise in half, translucent, or enclo... read more