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Stylidiaceae
The family Stylidiaceae is a taxon of dicotyledonous flowering plants. It consists of five genera with over 240 species, most of which are endemic to Australia and New Zealand. Members of Stylidiaceae are typically grass-like herbs or small shrubs and can be perennials or annuals. Most species are free standing or self-supporting, though a few can be climbing or scrambling (''Stylidium scandens'' uses leaf tips recurved into hooks to climb). The pollination mechanisms of ''Stylidium'' and '' Levenhookia'' are as follows: In ''Stylidium'' the floral column, which consists of the fused stamen and style, springs violently from one side (usually under the flower) when triggered. This deposits the pollen on a visiting insect. In ''Levenhookia'', however, the column is immobile, but the hooded labellum is triggered and sheds pollen. In 1981, only about 155 species were known in the family. The current number of species by genus (reported in 2002) is as follows: ''Forstera'' - 5, ''L ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Donatioideae
''Donatia'' is a genus of two cushion plant species in the family Stylidiaceae. The name commemorates Vitaliano Donati, an Italian botanist. ''Donatia'' has been placed in the subfamily Donatioideae, described by Johannes Mildbraed in his 1908 taxonomic monograph of the family Stylidiaceae. The subfamily was created to distinguish the difference between the single genus ''Donatia'' from the five typical genus, genera of the Stylidiaceae that Mildbraed placed in the Stylidioideae subfamily.Mildbraed, J. (1908). Stylidiaceae. ''In'' Engler, A. ''Das Pflanzenreich: Regni vegetabilis conspectus'', IV. 278. Leipzig, 1908. The subfamily taxonomy represented the taxonomic uncertainty of ''Donatia'', which had at one point also been placed in the Saxifragaceae.Wagstaff, S.J. and Wege, J. (2002)Patterns of diversification in New Zealand Stylidiaceae. ''American Journal of Botany'', 89(5): 865-874.Good, R. (1925). On the geographical distribution of the Stylidiaceae. ''New Phytologist'', 2 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
