floral formula of malvaceae

The number of epicalyxes in the Malvaceae family is 3-8, the calyx has 5 gamosepalous sepals, the corolla has 5 polypetalous petals, multiple stamens and a superior ovary with bi-to multicarpellary syncarp. Malope, Kitaibelia. If looking for information about the traditional Malvaceae s.s., we recommend referring to Malvoideae, the subfamily that approximately corresponds to that group. Endospermic; densely covered with fibres. 3. 4. Pflanzenfamilien III (6): 30-53. A strong silky brown fibre is produced from its stem. Evidence of Malvean wood fossils have confirmed their evolutionary link in Malvaceae s.l., as well explained their diverse structures. They often bear supernumerary bracts in the structure of a bicolor unit. 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Stamens numerous, forming a tube, monadelphous, epipetalous, anthers monothecous, yellow, reniform, extrorse, transversely attached to the filament, pollen grains multiporate. 1934 : Systematic anatomy of the woods of Malvaceae. Your IP: 51.91.31.191 Gynoecium: long, and simple style, slender passing through the staminal tube. Stem: aerial, branched, erect, herbaceous, cylindrical, and woody with young portions covered by satellite hairs or trichomes. Infloresence: You may need to download version 2.0 now from the Chrome Web Store. A floral formula is the numeric representation of different floral structures that constitute a flower. Sepals 5, gamosepalous, cupulate, hairy, inferior. Flowers solitary, hermaphrodite, hypogynous, actinomorphic and bracteate. Note the monadelphous stamens. (hereafter simply "Malvaceae") comprise nine subfamilies. Root: Tap and branched root system. K (3–7), K (5),C (5),A (numerous),G (5-numerous). Herbaceous (Malva) or woody (Hibiscus), branched, erect or spreading (Sida, Malva parviflora) pubescent with stellate hairs. 2. Most members of this family have perfect flowers (although there are some exceptions). Abelmoschus esculentus gives okra fibres. [12] They can be unisexual or bisexual, and are generally actinomorphic, often associated with conspicuous bracts, forming an epicalyx. Inflorescence: typically cymose, solitary cymes in the leaf axil or raceme. The pistils are composed of two to many connate carpels. Sepals 5, gamosepalous, campanulate, green, densely hairy, inferior. Hibiscus rosa-sinensis (Fig. Your email address will not be published. Typically, the stem displays fibrous nature with much mucilaginous sap. Economic Importance 4. Required fields are marked *, What Is The Floral Formula Of A Malvaceae Family. The plants are almost cosmopolitan in distribution but many of which are confined to tropics and sub-tropics. [8] Later studies revealed more unambiguous synapomorphies within Malvaceae s.l.. Synapomorphies identified within Malvaceae s.l. Stellate hairs on the young parts, mucilaginous juice present, leaves alternate, stipulate, multicostate reticulate; inflorescence solitary or cyme; flower actinomorphic, hermaphrodite, hypogynous, pentamerous, with epicalyx, calyx free or united, corolla free; stamens indefinite, monadelphous; anthers monothecous, stamens united to form a tube; gynoecium many often five, syncarpous, ovary multilocular, superior, axile placentation; fruit schizocarpic carcerulus or capsule. Content Guidelines 2. Calyx: green, typically 5 sepals, gamosepalous showing valvate aestivation and odd sepal is posterior in position. Stamens monadelphous and anthers monothecous. There are continuing disagreements over the correct circumscription of these subfamilies, including the preservation of the family, Bombacaceae.

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