Helonias Inflorescence

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

-. Inflorescence racemose; flowers 30–72 per inflorescence, (nearly) adichogamous; tepals pink, adaxially slightly canaliculate toward base; anthers basifixed, antrorse-extrorse, unilocular, septate (furrowed) medially on abaxial side; styles often connate at base and forming a column to 0.6 mm long, stigmatic segments 1.5–2(–2.5) mm long; ovules 8–18 per locule; seeds somewhat flattened subfusiform, 0.7–1 mm wide; testa of seeds whitish; eastern N. America .............................................. Sect. 1. Helonias Inflorescence racemose or sometimes (sub)umbellate; flowers 1–46 per inflorescence, adichogamous or protogynous; tepals white, pink, purplish or blue, adaxially slightly to markedly canaliculate toward base; anthers basifixed or (sub)dorsi-basifixed, antrorselatrorse or extrorse, unilocular or bilocular (usually) with vestigial apical confluence between thecae; styles connate at base and forming a column 0.2–22 mm long; stigma trisected to trilobed with segments to 1.5 mm long, or simply discoid or capitate; ovules 18–189 per locule; seeds linear-fusiform, 0.2–0.7 mm wide; testa whitish or pale brownish; eastern Asia ..... Sect. 2. Heloniopsis