Notes and new taxa in Lobelia sect. Holopogon (Campanulaceae: Lobelioideae)

摘要

Descriptions and notes on distribution, habitat and conservation status are provided for three new species of Lobelia sect. Holopogon Benth., (L archeri N.G.Walsh, L. fissiflora N.G.Walsh and L simulans N.G.Walsh), and three new subspecies in existing species of the section (L heterophylla Labill. subspp. centralis N.G.Walsh and pilbarensis N.G.Walsh, and L. tenuior R.Br, subsp. dictyosperma N.G.Walsh). The new taxa are from Western Australia and central Australia. The eastern states Lobelia browniana Schult. is recognised here at specific rank in contrast to recent Australian treatments. A key to the 19 members of Lobelia section Holopogon is provided.