ðə kˈælɪks ɪz lˈaɪt jˈɛloʊ ɡɹˈiːn, fˈaɪvlˈoʊbd, dᵻvˈaɪdᵻd nˌɪɹli tə ðə bˈeɪs; lˈoʊbz lˈɪnɪɹ, ɐkjˈuːt, mˈoːɹ ɔːɹ lˈɛs kˈʌt æt ðɪ ˈeɪpɛks, ˈɔfən tˈɪpt wɪð hˈɛɹz, ɪmbɹᵻkˈeɪt ɪn bˈʌd.
The calyx is light yellow green, five-lobed, divided nearly to the base; lobes linear, acute, more or less cut at the apex, often tipped with hairs, imbricate in bud.