in Old World tropics and subtropics. Genera 125–130, species ca. 1800 (34 genera, 189 species in the flora). The Cactaceae had a New World origin. Only Rhipsalis
32 KB (1,968 words) - 20:34, 6 November 2020
rich in numbers of species and/or in numbers of plants in arid and semiarid regions of subtropical and lower to middle temperate latitudes. Genera ca. 1500
270 KB (5,940 words) - 20:46, 31 January 2022
reticulate; embryo annular. x = 16, 17. Mostly tropical, subtropical, and warm-temperate zones, some species in temperate zones, some taxa are at present almost
26 KB (1,309 words) - 23:01, 5 November 2020