1	"Perianth red to purple (pale red); perennial herb; fruit glandular hairy"	2
1	"Perianth pale pink to white; annual; fruit glabrous"	3
2	"Branches hairy, generally glandular; leaves throughout plant"	"Boerhavia coccinea"
2	"Branches +- glabrous; leaves +- in lower 1/2 of plant"	"Boerhavia diffusa"
3	"Inflorescence generally ending in umbels of 3--6(8) flowers or flowers 1 or paired"	"Boerhavia triquetra var. intermedia"
3	"Inflorescence ending in spike-like raceme"	4
4	"Bracts deciduous, << fruit; fruit ribs generally 5; stem short-hairy"	"Boerhavia coulteri var. palmeri"
4	"Bracts +- persistent, +- = fruit; fruit ribs generally 4; stem glandular-hairy"	"Boerhavia wrightii"