Order Vahliales / Vahlia Flowering Plants

    Order Vahliales

    Order Vahliales are erect, branched herbs distributed in Africa and Madagascar to India. The Vahliales plants have simple, opposite, exstipulateWhat is exstipulate?Without stipules; Stipule is a small structure of appendage found at the base of some leaf petioles. leaves, bisexual and paired flowers, pentamerousWhat is pentamerous?Having parts in fives or multiples of five. floral parts, an inferior ovary, and numerous seeds.

    The Vahliales order only has a sole family, 1 genus[1] and 5 species[2]. The Vahliaceae is the only family of Vahliales. The APG IV system of classification transferred Vahliacaea from Order Saxifragales to the new order Vahliales.

    Vahliales Distribution

    The members of the Vahliales are distributed in Africa and Madagascar to India.

    Vahliales Characteristics

    Vahliales Flowers and Reproduction

    The Vahliales flowers of the sole family Vahliaceae[3] are small, regular, actinomorphicWhat is actinomorphic?A characteristic of the flower exhibiting radial symmetry such as starfish or Daisy flower; capable of being bisected into identical halves along more than one axis, forming mirror images. Opposite is Zygomorphic., and bisexual. The inflorescences are in cymes; the flowers are paired. There is no free hypanthiumWhat is hypanthium?It is a floral tube created by the fusion of the basal parts of the sepals, petals and stamens; the rest of the flower parts emanate from this.. The calyx and corolla are distinct in the perianth, and the floral parts are 5-merous[4]. There are 5 regular and valvate sepals in the calyx (1 whorl).

    There are also 5 regular, imbricateWhat is imbricate?overlap or cause to overlap; in botany terms, scales, sepals, or plates having adjacent edges overlapping; with margins of structures overlapping like shingles on a roof., and ovate-spathulate petals in the corolla (1 whorl). The petals are white or yellow. Occasionally, the petals are hairy at the base inside. The stamens are also 5 in 1 whorl; antesepalousWhat is antesepalous?In botany, it is used of inner parts of flowers, (mainly stamens), that are in equal number to and aligned with the sepals.. They are inserted on the margin of the epigynousWhat is epigynous?Having the ovary boxed in the receptacle, with the stamens and other flower parts placed above. disk.

    The anthers are dorsifixed, and the pollen grains are 2-celled. The gynoeciumWhat is gynoecium?It is a collective term for all carpels (female parts) in a flower. Carpels can be either apocarpous (separate) or syncarpous (combined or united) of the flowers has 2-3 carpels, 2-3 free styles, an inferior ovary, single loculos, and 2-3 stigmas.

    Vahliales Example Species

    There are only 5 accepted species names under the Vahliales.

    • Vahlia dichotoma – The plant has forage and medicinal uses.
    • Vahlia digyna
    • Vahlia geminiflora
    • Vahlia somalensis
    • Vahlia capensisV. capensis is used to treat bacterial infections.

    Cite This Page

    BioExplorer.net. (2023, September 26). Order Vahliales / Vahlia Flowering Plants. Bio Explorer. https://www.bioexplorer.net/order-vahliales/.
    BioExplorer.net. "Order Vahliales / Vahlia Flowering Plants" Bio Explorer, 26 September 2023, https://www.bioexplorer.net/order-vahliales/.
    BioExplorer.net. "Order Vahliales / Vahlia Flowering Plants" Bio Explorer, September 26 2023. https://www.bioexplorer.net/order-vahliales/.
    Key References
    • [0] – Cover Image – “File:Vahlia capensis 2.jpg – Wikimedia Commons”. Accessed May 27, 2022. Link.
    • [1]“Vahliales”. Accessed May 27, 2022. Link.
    • [2]“Vahlia Thunb. | Plants of the World Online | Kew Science”. Accessed May 27, 2022. Link.
    • [3]“Vahliaceae | SpringerLink”. Accessed May 27, 2022. Link.
    • [4]“Angiosperm families – Vahliaceae (Reichb.) Dandy”. Accessed May 27, 2022. Link.


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