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- Othonna abstract "Othonna is a genus of evergreen or deciduous geophytes, dwarf succulents or shrubs belonging to the sunflower family Asteraceae. The genus includes more than 100 species concentrated in the Western Cape of South Africa and southern Namibia. A few species occur in summer rainfall parts of southern Africa. The genus is closely allied to Senecio and can be distinguished principally by details of the involucre. Taxonomically they are in need of a modern revision.The form or habit of othonnas is very diverse and in this lies much of their appeal to collectors of winter growing succulent plants. The various species may be pachycauls with elongate but proportionately swollen stems, caudiciform caudiciforms or dwarf and compact succulents with short branches. A highly distinctive group is made up tuberous geophytes with subterranean rootstocks and deciduous stems or leaves. Other species are orthodox shrubs. Leaf diversity is also notable in this genus. A few species possess highly succulent leaves (e.g., O. capensis, O. sedifolia) but most have bifacial leaves that are only slightly succulent. Size and shape is variable, with most species having leaves in the 1-10 cm long range, common shapes being elliptic, lanceolate, oblanceolate or spathulate. The leaf blades may be intricately divided (O. abrotanifolia) or lobed (O. cakilaefolia), amplexicaul or distinctly undulate. Often the leaves are sessile and the lamina is glaucous; leaf margins are entire to coarsely toothed. Some species are dimorphic in that the acaulescent juvenile leaves are very different from the adult leaves that are produced on the flowering stems.With few exceptions the flowers of othonnas fit the stereotypical "DYC" ("Damned Yellow Composite", a tongue-in-cheek phrase used for a variety of composites) designation. A simple or branched inflorescence gives rise to daisy-like flower heads. The exceptions are a handful of attractive purple-flowered species that are deciduous geophytes. Most if not all species are self-incompatible. The seeds are often proportionately heavy and probably do not travel far from the parent plant without the assistance of brisk winds. In at least some cases the seeds exude a sticky substance when wetted and thus affix themselves to the soil surface, aiding in the establishment of seedlings.".
- Othonna class Eudicots.
- Othonna division Flowering_plant.
- Othonna family Asteraceae.
- Othonna family Senecioneae.
- Othonna kingdom Plant.
- Othonna order Asterales.
- Othonna order Asterids.
- Othonna synonym "Aristotela (Adanson)".
- Othonna synonym "Doria (Thunb.)".
- Othonna synonym "Hertia (Less.)".
- Othonna synonym "Sources: ING, GRIN".
- Othonna thumbnail Othonna_capensis0.jpg?width=300.
- Othonna wikiPageExternalLink othonna.htm.
- Othonna wikiPageExternalLink Othonna.html.
- Othonna wikiPageID "9319759".
- Othonna wikiPageRevisionID "552508872".
- Othonna familia Asteraceae.
- Othonna genus "Othonna".
- Othonna genusAuthority "L.".
- Othonna hasPhotoCollection Othonna.
- Othonna imageCaption "Othonna capensis".
- Othonna ordo Asterales.
- Othonna regnum Plant.
- Othonna subdivision "See text".
- Othonna subdivisionRanks Species.
- Othonna synonyms "Aristotela (Adanson)".
- Othonna synonyms "Doria (Thunb.)".
- Othonna synonyms "Hertia (Less.)".
- Othonna synonyms "Sources: ING, GRIN".
- Othonna tribus Senecioneae.
- Othonna typeSpecies "Othonna coronopifolia L.".
- Othonna unrankedClassis Eudicots.
- Othonna unrankedDivisio Flowering_plant.
- Othonna unrankedOrdo Asterids.
- Othonna subject Category:Asteraceae_genera.
- Othonna subject Category:Othonna.
- Othonna type Eukaryote.
- Othonna type Plant.
- Othonna type Species.
- Othonna type Organism.
- Othonna comment "Othonna is a genus of evergreen or deciduous geophytes, dwarf succulents or shrubs belonging to the sunflower family Asteraceae. The genus includes more than 100 species concentrated in the Western Cape of South Africa and southern Namibia. A few species occur in summer rainfall parts of southern Africa. The genus is closely allied to Senecio and can be distinguished principally by details of the involucre.".
- Othonna label "Othonna".
- Othonna label "Othonna".
- Othonna label "Othonna".
- Othonna sameAs Othonna.
- Othonna sameAs Othonna.
- Othonna sameAs m.0284fdd.
- Othonna sameAs Q5230439.
- Othonna sameAs Q5230439.
- Othonna wasDerivedFrom Othonna?oldid=552508872.
- Othonna depiction Othonna_capensis0.jpg.
- Othonna isPrimaryTopicOf Othonna.
