''Streptoglossa'' is a genus of flowering plants in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

and is endemic to Australia. Plants in the genus ''Streptoglossa'' are aromatic herbs or shrubs with

simple Simple or SIMPLE may refer to: *Simplicity, the state or quality of being simple Arts and entertainment * ''Simple'' (album), by Andy Yorke, 2008, and its title track * "Simple" (Florida Georgia Line song), 2018 * "Simple", a song by Johnn ...

leaves,

composite Composite or compositing may refer to: Materials * Composite material, a material that is made from several different substances ** Metal matrix composite, composed of metal and other parts ** Cermet, a composite of ceramic and metallic materials ...

flowerheads with 15 to more than 100 fertile

florets This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary o ...

, the outer florets female and the disc florets

bisexual Bisexuality is a romantic or sexual attraction or behavior toward both males and females, or to more than one gender. It may also be defined to include romantic or sexual attraction to people regardless of their sex or gender identity, whi ...

Description

Plants in the genus ''Streptoglossa'' are shrubs, or

annual Annual may refer to: * Annual publication, periodical publications appearing regularly once per year **Yearbook ** Literary annual * Annual plant * Annual report * Annual giving * Annual, Morocco, a settlement in northeastern Morocco * Annuals (b ...

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

herbs, often aromatic, with simple, often

glandular In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland). Structure De ...

leaves. The daisy-like flowers are pink to purple and have 15 to 100 or more fertile florets, the outer florets female with a lobed

ligule A ligule (from "strap", variant of ''lingula'', from ''lingua'' "tongue") is a thin outgrowth at the junction of leaf and leafstalk of many grasses (Poaceae) and sedges. A ligule is also a strap-shaped extension of the corolla, such as that of a ...

, and the disc florets bisexual and tube-shaped. There are 3 to 6 rows of overlapping involucral bracts at the base of the heads. The fruit is a hairy

achene An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not ope ...

, the pappus with many barbed or feathery bristles.

Taxonomy

The genus ''Streptoglossa'' was first formally described by

Joachim Steetz Joachim Steetz (12 November 1804 – 24 March 1862) was a German botanist. His herbarium, comprising more than 5000 specimens from over 160 collectors and 30 countries was purchased in 1863 by Victorian Government Botanist Ferdinand von Muelle ...

, but published in 1863 by

Ferdinand von Mueller Baron Sir Ferdinand Jacob Heinrich von Mueller, (german: Müller; 30 June 1825 – 10 October 1896) was a German-Australian physician, geographer, and most notably, a botanist. He was appointed government botanist for the then colony of Vict ...

in the ''

Edinburgh New Philosophical Journal The ''Edinburgh Philosophical Journal'' was founded by its editors Robert Jameson and David Brewster in 1819 as a scientific journal to publish articles on the latest science of the day. In 1826 the two editors fell out, and Jameson continued publ ...

''. Mueller used the opportunity of publishing the name, to refer to Steetz as "my lamented friend the late Dr Joachim Steetz of Hamburg, in whom botanical science has lost one of its most able, correct, and philosophical promoters of this age." The genus name means "twisted tongue", probably referring to the bracts that twist when dry.

Species list

The following is a list of species of ''Streptoglossa'' accepted by the

Australian Plant Census The Australian Plant Census (APC) provides an online interface to currently accepted, published, scientific names of the vascular flora of Australia, as one of the output interfaces of the national government Integrated Biodiversity Information Syst ...

as at June 2022: * '' Streptoglossa adscendens'' (Benth.) Dunlop * '' Streptoglossa bubakii'' (Domin) Dunlop * '' Streptoglossa cylindriceps'' (J.M.Black) Dunlop * '' Streptoglossa decurrens'' (DC.) Dunlop * '' Streptoglossa liatroides'' (Turcz.) Dunlop * '' Streptoglossa macrocephala'' (F.Muell.) Dunlop * '' Streptoglossa odora'' (F.Muell.) Dunlop * '' Streptoglossa tenuiflora'' Dunlop

References

{{Taxonbar, from=Q5681852 Asteraceae genera Inuleae Endemic flora of Australia