Australian Tropical Rainforest Plants - Online edition
Acalypha lyonsii P.I.Forst.
Forster, P.I. (1994) Austrobaileya 4: 216. Type: Queensland, Isley Hills, McKinnon Creek, 18 May 1992, C. Lyons 113; holo: BRI.
Usually flowers and fruits as a shrub 1-4 m tall.
Leaf blade about 10-45 x 8-25 mm, petiole about 2-4 mm long. Lateral veins about 5-10 on each side of the midrib. Margin crenate with about 4-9 teeth on each side. Oil dots numerous, visible with a lens. Stipules very small, triangular, about 0.5-1 mm long with a hair-like appendage at the apex. Twig hairs hooked or bent.
Male flowers: Flowers borne in slender spikes about 10-20 mm long. Stamens 12. Anther cells quite discrete, each borne on a separate stalk which is attached to the apex of the filament. Female flowers: Flowers about 3 mm diam., solitary, subtended by a large bract with a crenate margin, pedicel about 3.5 mm long. Ovary clothed in stiff hairs and each style ends in several branched hairs.
Cotyledons orbicular to obtriangular, about 7-8 x 6 mm. Petiole about 2.5 mm. Venation palmate. First pair of leaves with toothed margins. At the tenth leaf stage: leaf blade about 15 x 8 mm, oil dots small and numerous, stipules small, triangular, about 0.5 mm long. Stem clothed in white, prostrate or arched hairs. Seed germination time 12 to 14 days.