Gibbsia (plant)

Gibbsia is a genus of flowering plants belonging to the family Urticaceae.[1][2]

Gibbsia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Urticaceae
Genus: Gibbsia
Rendle

Its native range is New Guinea.[1][3]

The genus name of Gibbsia is in honour of Lilian Gibbs (1870–1925), a British botanist,[4][3] it was first published and described in 'A Contribution to the Phytogeography and Flora of the Arfak Mountains' (Fl. Arfak Mts.) on page 129 in 1917.[1]

Known species, according to Kew;[1]

  • Gibbsia carstenszensis Rendle
  • Gibbsia insignis Rendle (the type species)

Description

Mainly shrubs,[5][6] has alternate leaves, which are crenate (wavy toothed) and serrate (saw toothed). They are densely arachnoid (have appearance of cobwebs) below,[5] so much that they look white underneath.[7] They are dioecious (producing male or female gametes), the flowers are monoecious (having separate staminate and carpellate flowers which are always found on the same plant), in small axillary androgynous cymules, minute bracts, ovate, scarious (Dry and membranous). The male flowers have perianths which are partite (divided to or nearly to the base), the 5 segments are valvate, ovate and have 5 stamens,[6] with a rudimentary ovary.[5] The female flowers have a perianth which is broadly cupular, persistent and adinate at the base of the ovoid and very oblique (slanting) ovary.[5] The stigma is sub-apical (near tip), sessile (flowers growing straight from the stem) and discoid (resembling a disc or plate).[5][6] The fruit (or seed capsule) maybe drupaceous (having a fleshy-like outer part), small and very oblique.[5]

Habitat

They are found on the mountains of western New Guinea.[5][6]

References
  1. "Gibbsia Rendle | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 15 September 2021.
  2. Armen Takhtajan Flowering Plants (2009), p. 281, at Google Books
  3. D. J. Mabberley The Plant-Book: A Portable Dictionary of the Vascular Plants, 2nd Edit. (1997), p. 300, at Google Books
  4. Burkhardt, Lotte (2018). Verzeichnis eponymischer Pflanzennamen – Erweiterte Edition [Index of Eponymic Plant Names – Extended Edition] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2018. ISBN 978-3-946292-26-5. Retrieved 1 January 2021.
  5. Klaus Kubitzki, Jens G. Rohwer and Volker Bittrich (Editors) Flowering Plants · Dicotyledons: Magnoliid, Hamamelid and Caryophyllid Families (1993), p. 626, at Google Books
  6. James W. Byng The Flowering Plants Handbook: A practical guide to families and genera of the world (2014), p. 187, at Google Books
  7. M. M. J. van Balgooy (Rijksherbarium/Hortus Botanicus) Malesian Seed Plants: Portraits of tree families (1997), p. 285, at Google Books
  • has an illustration of the plant
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