Herbs perennial, cespitose, 6-30(-50) cm tall, often woody at base, canescent throughout, with sessile, 10-18-rayed stellate trichomes.
多年生草本,丛生,6-30(-50)厘米高,通常在基部木质,被灰白毛在整个期间,具无梗,星状毛10-18伞辐。
Herbs annual, (2-)5-18(-28) cm tall, canescent throughout (except fruit) with appressed, sessile, 8-20-rayed stellate trichomes.
一年生草本,(2-)5-18(-28)厘米高,被灰白毛在整个期间(除果之外)具,无梗,伞辐星状毛。
Herbs annual, canescent or pale green.
一年生草本,被灰白毛的或苍绿色。
Herbs perennial, cespitose, (3-)7-25(-30) cm tall, often woody at base, canescent throughout with sessile, 7-16-rayed stellate trichomes.
多年生草本,丛生,(3-)7-25(-30)厘米高,通常在基部木质,在整个具无梗,星状毛7-16伞辐期间。