Helonias kawanoi, Leaves

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

-. Leaves usually less than 7 cm long, 1 cm wide; flowering usually August to October; flowers 1–4(–9) per scape; tepals usually less than 8 mm long; seeds (incl. testa) 2.5–3.3 mm long .................................................................................................. 7. H. kawanoi Leaves usually more than 7 cm long and 1 cm wide; flowering usually January to March; flowers usually more than 5 per scape; tepals usually more than 8 mm long; seeds (incl. testa) 3.4–5.8 mm long ....................................................................................... 2 Leaves usually to 16 cm (sometimes to 31 cm long), 4 cm wide; inflorescence usually compactly racemose, often slightly drooping distally; flowers to ca. 36 per scape, narrowly campanulate, nodding, odorless or faintly fragrant; tepals narrowly elliptic or narrowly oblong-elliptic, acuminate or acute, white, sometimes pale purplish pink (or lilac), often turning pale pink at late anthesis, usually to 16.5 mm long, usually slightly imbricate proximally; seeds 4.5–5.8 mm long ....................................... 8. H. leucantha Leaves to 16 cm long, 2.2 cm wide; inflorescence (sub)umbellate, rarely racemose; flowers to ca. 21 per scape, facing various directions or often nodding, funnelform, strongly fragrant; tepals narrowly oblanceolate or oblong-oblanceolate, usually obtuse, pink or white, usually to 12 mm long, scarcely imbricate proximally; seeds 3.4–5 mm long ................................. 9. H. umbellata