Ypsilandra Inflorescence

Tanaka, Noriyuki, 2019, Taxonomy, evolution and phylogeography of the genus Helonias (Melanthiaceae) revisited, Phytotaxa 390 (1), pp. 448-450 : 448-450

-. Inflorescence racemose; tepals distinct, adaxially nearly flat or slightly canaliculate toward base; nectaries nearly flat or slightly concave; inner filaments adnate basally to base of ovary; anthers unilocular, basifixed; stigma trisected or slightly trilobed, rarely discoid or (sub)capitate; Bhutan, China, India, Myanmar, Nepal, Vietnam.................................................... Subsect. 1. Ypsilandra Inflorescence racemose or (sub)umbellate; tepals distinct or connate, adaxially canaliculate toward base; nectaries slightly or moderately concave or tubular-saccate; inner filaments free from ovary; anthers appearing bilocular, basifixed or (sub)dorsi-basifixed; stigma discoid or (sub)capitate, sometimes slightly trilobed; Japan, Korea, Russia (S Sakhalin), Taiwan. ...................... ....................................................................................................................................................................... Subsect. 2. Heloniopsis