Polyalthia submontana subsp. sessiliflora (Jessup) Jessup
Jessup, L.W. (2017) Austrobaileya 10(1): 64.
Usually flowers and fruits as a shrub about 1-4 m tall.
Flowers about 8-11 mm diam. Ovaries hairy, clothed in downy copper-coloured appressed hairs.
First pair of leaves ovate, alternate, margins smooth. At the tenth leaf stage: leaf aromatic when crushed; leaf blade ovate to elliptic, apex acuminate to acute, base cordate to obtuse. Stems and terminal buds clothed in brown hairs. Lateral veins difficult to distinguish but forming loops inside the blade margin. Seed germination time 138 to 203 days.
Food plant for the larval stages of the Green Spotted Triangle Butterfly. Sankowsky & Neilsen (2000).
Haplostichanthus submontanus subsp. sessiliflorus Jessup, Flora of Australia 2: 449 (2007). Type: Queensland, Curtain Fig near Yungaburra, 5 Dec. 1984, L.W. Jessup 695. Holo: BRI. Haplostichanthus sp. (Topaz LWJ 520), Australian Tropical Rain Forest Plants, Trees , Shrubs & Vines : (2003).