Rhagodia

Spiny saltbush Rhagodia spinescens, copyright Harry Rose.

Belongs within: Chenopodiaceae.

Rhagodia is an Australian genus of dioecious shrubs with mealy leaves for at least part of their life span (Wilson 1984).

Characters (from Wilson 1984): Dioecious shrubs, mealy at least when young with globular hairs that may collapse to form a scurfy or continuous silvery sheen. Leaves opposite or alternate, simple, entire or obtusely lobed at base. Flowers clustered, forming panicles or spike-like thyrses; bracts small or absent. Perianth globular; tepals 5, shortly united, often spreading and enlarged in fruit. Male flowers with stamens 5, usually united at base into a disc that is puberulous or woody within, rarely glabrous; pistillode minute. Female flower if terminal with staminodes and a woolly disc; if lateral with or without small glabrous staminodes; ovary glabrous; stigmas 2, sessile. Fruit a depressed-globular berry c. 3 mm diameter; pericarp succulent, viscous on drying. Seed horizontal, depressed-globular to lenticular; testa crustaceous, black, smooth to reticulate; embryo circular; perisperm copious, central.

<==Rhagodia Br. 1810A61
    |--R. baccata (Labill.) Moq. in DC. 1849 [=Chenopodium baccatum Labill. 1805, *R. billardierei Br. 1810 (nom. illeg.)]W84
    |    |--R. b. ssp. baccata (see below for synonymy)W84
    |    `--R. b. ssp. dioica (Nees) Wilson 1983 [=R. dioica Nees in Lehm. 1845]W84
    |--R. acicularis Wilson 1982W84
    |--R. candolleana Moq. 1840 (see below for synonymy)W84
    |    |--R. c. ssp. candolleanaW84
    |    `--R. c. ssp. argentea Wilson 1983W84
    |--R. crassifolia Br. 1810 [incl. R. parvifolia Moq. in DC. 1849]W84
    |--R. drummondii Moq. in DC. 1849W84
    |--R. eremaea Wilson 1983W84
    |--R. latifolia (Benth.) Wilson 1983 [=R. crassifolia var. latifolia Benth. 1870]W84
    |    |--R. l. ssp. latifoliaW84
    |    `--R. l. ssp. recta Wilson 1983W84
    |--R. parabolica Br. 1810 (see below for synonymy)W84
    |--R. preissii Moq. in DC. 1849 [=Chenopodium preissii (Moq.) Diels 1904]W84
    |    |--R. p. ssp. preissiiW84
    |    `--R. p. ssp. obovata (Moq.) Wilson 1983 [=R. obovata Moq. 1840]W84
    |--R. spinescens Br. 1810 [incl. R. spinescens var. deltophylla Muell. 1859, R. deltophylla (Muell.) Scott 1978]W84
    |--R. triandra (Forst. f.) Aellen 1939 (see below for synonymy)A61
    `--R. ulicina (Gand.) Wilson 1982 [=Chenopodium ulicinum Gand. 1919]W84

Rhagodia baccata (Labill.) Moq. in DC. 1849 ssp. baccata [incl. R. baccata var. angustifolia Moq. in DC. 1849, R. cygnorum Gand. 1919, R. billardierei var. linearis Benth. 1870, R. baccata var. linearis (Benth.) Black 1929, R. radiata Nees in Lehm. 1845]W84

Rhagodia candolleana Moq. 1840 [=R. baccata var. candolleana (Moq.) Moq. in DC. 1849; incl. Chenopodium furfuraceum Moq. in DC. 1849, R. baccata var. parvifolia Moq. in DC. 1849 non R. parvifolia Moq. in DC. 1849]W84

Rhagodia parabolica Br. 1810 [incl. R. reclinata Cunn. ex Moq. in DC. 1849, R. parabolica var. reclinata (Cunn. ex Moq.) Domin 1921]W84

Rhagodia triandra (Forst. f.) Aellen 1939 [=Chenopodium triandrum Forst. f. 1786; incl. R. nutans Cheesem. 1884 non Br. 1810]A61

*Type species of generic name indicated

References

[A61] Allan, H. H. 1961. Flora of New Zealand vol. 1. Indigenous Tracheophyta: Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledones. R. E. Owen, Government Printer: Wellington (New Zealand).

[W84] Wilson, P. G. 1984. Chenopodiaceae. In: George, A. S. (ed.) Flora of Australia vol. 4. Phytolaccaceae to Chenopodiaceae pp. 81–317. Australian Government Publishing Service: Canberra.

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