ðə sˈiːd kˈæpsjuːlz ʌv ˈɔːl ʌv ðiːz dʒˈɛnɚɹə hæv tɹaɪˈæŋɡjʊlɚ vˈælvz, wˌɪtʃ ˈoʊpən wɛn ðeɪ bɪkˌʌm wˈɛt, ɛkspˈoʊzɪŋ ðə sˈiːd tʃˈeɪmbɚz lˈoʊkjuːlz.
The seed capsules of all of these genera have triangular valves, which open when they become wet, exposing the seed chambers (locules).