Naming
Under the interpretation of the 1997 revision of the genus where a few taxa were sunk into synonymy - notably ''B. pulchra'' - this species has a wide distribution that includes Burma; Thailand; Cambodia; Laos; Vietnam; the Malay Peninsula; Singapore; Sumatra; Borneo; Brunei; the Moluccas; New Guinea, including Papua New Guinea; the Cape York Peninsula in Queensland, Australia; the Anambas Islands; and possibly the Philippines, though it's uncertain whether the specimens referred to the Philippines were actually collected there.
Habitat
''Bromheadia finlaysoniana'' grows in wet areas, usually near streams, 0–200 metres altitude. It grows 1 to 1.5 metres high with stiff leaves, 100–150 mm x 20–30 mm alternating along the upper parts of the stems which are spaced along a creeping rhizome. The flowers, which have white and yellow interiors with mauve to pink-purple exteriors, appear between June to March. Usually one sees just the buds as the flowers only open briefly during the day. They are pollinated by unidentified insects. In Queensland, ''B. finlaysoniana'' grows from the top of the Cape York Peninsula in the north to Hopevale in the south.A cDNA for the enzyme dihydroflavonol 4-reductase has been cloned from ''B. finlaysoniana''.
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