..2 Stems herbaceous, several from the crown of a woody rhizome; aerial stems not or little (sympodially) branched; aerial branches persisting for only a single growing season; leaves linear, elliptic, oblanceolate, or narrowly obovate, widest near the midpoint or towards the apex, stems appearing evenly leafy; caruncle of the seed white, broadly crescent-shaped, > 1 mm wide, largely concealing the hilar scar; [mostly of dry habitats, or mesic to wet pinelands that are only sporadically inundated].