Documentation of the Chromosome Number for the California Endemic, Toxicoscordion exaltatum (Liliales: Melanthiaceae)

Documentation of the Chromosome Number for <I>Zigadenus glaberrimus</I> (Liliales: Melanthiaceae) and its Significance in the Taxonomy of Tribe Melanthieae

“…1), especially the synapomorphic 2n numbers 20 for Stenanthium (Zomlefer and Smith 2002) and 22 for Toxicoscordion (Zomlefer 2003;McNeal and Zomlefer 2010). A probable base chromosome number of x = 8 has often been postulated for tribe Melanthieae (summary in Zomlefer et al 2006a), and multiples of this number are prevalent in other genera of the tribe: ( Fig.…”