Hook., Hook. Ic. 3:tt. 261,262 (1840).
Derivation: After R. W. Lawrence, 1807-33, a botanical collector who lived in Tasmania.
Synonymy: Wrenciala A. Gray, U.S. Expl. Exped. 15:180 (1854); Selenothamnus Melville, Kew Bull 20:514 (1967); Halothamnus F. Muell., Fl. Indig. Col. Vic. 1:158 (1862), nom. illegit. 12 species, all Australian. (Lander (1984) Nuytsia 5:201-271).
Common name: None
Perennial herbs often woody at least at the base, rarely small shrubs, usually with stellate hairs or peltate scales; leaves alternate or fascicled, usually toothed, sometimes scale-like.
Flowers bisexual or unisexual and the plants dioecious, sessile or pedunculate in the axils of leaves or forming dense spikes, small; epicalyx 0; sepals fused to form a campanulate calyx with 5 teeth or lobes; petals 5, not much exceeding the calyx, white or green to yellow; staminal tube short, adnate to the corolla; stamens 10-20; carpels 2-7, in a single whorl; stigmas 2-7, decurrent on the style branches which are less than half fused and filiform to narrowly clavate but not clearly expanded at the very tip.
Fruit of 3-7 mericarps separating from the slender axis, with hyaline walls with reticulate thickening, indehiscent; seeds 1 in each cell, pendulous.
Key to Species:
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