. Bulletin of the British Museum (Natural History) Botany. 294 NORMAN K. B. ROBSON imbricate, equal or subequal, broadly ovate to oblong or subcircular, subacute to rounded, 1-5-veined with veins unbranched, midrib not distinct; laminar glands mostly linear. Petals bright yellow or rarely white, not veined or tinged red, spreading, 9-15 x 5-7 mm, 4-9 x sepals, obovate, apiculus obsolete or absent. Stamen fascicles each with 5-11 stamens, longest 6-10 mm long, c. 0-65 x petals. Ovary 2-5-5 x 1-5-2-5 mm, ± narrowly ellipsoid; styles 3-5-6(-7) mm long, 1-2 x ovary, ± slender; stigmatic mass capit
. Bulletin of the British Museum (Natural History) Botany. 294 NORMAN K. B. ROBSON imbricate, equal or subequal, broadly ovate to oblong or subcircular, subacute to rounded, 1-5-veined with veins unbranched, midrib not distinct; laminar glands mostly linear. Petals bright yellow or rarely white, not veined or tinged red, spreading, 9-15 x 5-7 mm, 4-9 x sepals, obovate, apiculus obsolete or absent. Stamen fascicles each with 5-11 stamens, longest 6-10 mm long, c. 0-65 x petals. Ovary 2-5-5 x 1-5-2-5 mm, ± narrowly ellipsoid; styles 3-5-6(-7) mm long, 1-2 x ovary, ± slender; stigmatic mass capitate to ellipsoid or cylindric. Capsule 5-11 x 3-5-5 mm, narrowly cylindric to cylindric-ellipsoid or narrowly cylindric-conic. Seeds dark reddish-brown, 0-6-1-5 mm long, narrowly cylindric or narrowly ellipsoid to fusiform, narrowly carinate with ± long apical expansions or unilaterally ± deeply winged, very shallowly linear-reticulate. 2n = ? Open or exposed stony ground; 1000-1800 m. Taiwan, Philippines (Luzon). Maps 29, 30. H. geminiflorum comprises two subspecies (treated as varieties by Robson, 1973, supra cit.), one found at relatively low altitudes in south-east Taiwan and Luzon (subsp. geminiflorum), the other at higher altitudes in central and north-west Taiwan (subsp. simplicistylum). 4a(57a). H. geminiflorum subsp. geminiflorum H. trinervium Hemsley in Ann. Bot. 9: 144 (1895); Henry in Trans. Asiat. Soc. Japan 24: suppl. 1: 19 (1896); Matsumura & Hayata, Enum. pi. Formosa: 43 (1906); Map 30 Sect. 4. Takasagoya: 3. H. senkakuinsulare O, 4a. H. geminiflorum subsp. geminiflorum • (see also Map 29).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)
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