Diapensiaceae Lindl.
  • Intr. Nat. Syst. Bot. (ed. 2) 233. 1836. (13 Jun 1836)

Cite taxon page as 'WFO (2019): Diapensiaceae Lindl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-7000000184. Accessed on: 14 Dec 2019'

General Information

Perennial herbs or subshrubs, evergreen, rhizomatous and/or stems creeping and adventitiously rooted, sometimes taprooted, ecto- and endotrophically mycorrhizal. Stems erect to decumbent or prostrate. Leaves basal and cauline, alternate or opposite, simple; stipules absent; petiole present or absent; blade margins entire or dentate-serrate. Inflorescences terminal racemes or solitary flowers. Flowers bisexual; perianth and androecium hypogynous; sepals 5, connate proximally or distinct; petals 5, connate proximally or distinct; stamens 5, antisepalous or basally connate into ring, epipetalous, alternating with staminodes; anthers transversely or longitudinally dehiscent; staminodes absent or 5, scalelike or spatulate; pistils 1, 3-carpellate; ovary superior, 3-locular; placentation axile; ovules usually anatropous, sometimes axile, hemitropous, campylotropous, or amphitropous, bitegmic, tenuinucellate; styles 1, terminal; stigmas 1, slightly 3-lobed to unlobed and capitate [disciform]. Fruits capsular, dehiscence loculicidal. Seeds 10-30, brown, cylindric; embryo straight to curved; endosperm copious, fleshy.

  • Provided by: [B].Flora of North America @ efloras.org
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    • 2
    • ]. 

    Shrublets or perennial herbs, prostrate or decumbent, evergreen, mostly glabrous. Stipules absent. Leaves simple, spirally arranged or alternate, often crowded, subsessile or petiolate, pinnately veined. Flowers bisexual, actinomorphic, solitary or in a capitate raceme. Calyx 5-lobed, persistent; lobes free, imbricate. Corolla basally connate, apically lobed, caducous; lobes 5, spreading. Stamens 5[or 10], epipetalous, alternate with corolla lobes if 5; staminodes 5 if present, epipetalous, opposite corolla lobes, scalelike or spatulate; anthers 1- or 2-celled, dehiscing by slits. Ovary superior, 3[or 5]-locular; ovules numerous, axile, anatropous or amphitropous. Style simple; stigma lobed, capitate, or disciform. Fruit a 3[or 5]-locular capsule, loculicidally dehiscing. Seeds many, small, cylindrical; endosperm copious; embryo straight or slightly curved.

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    • 3
    • 1
    • ]. 


    SELECTED REFERENCES Doonan, S. 1993. The Diapensia family. Bull. Amer. Rock Gard. Soc. 51: 97-106. Qin, H. N. and B. M. Bartholomew. 2005. Diapensiaceae. In: Wu Z. and P. H. Raven, eds. 1994+. Flora of China. 11+ vols. Beijing and St. Louis. Vol. 14, pp. 235-237. Rönblom, K. and A. A. Anderberg. 2002. Phylogeny of Diapensiaceae based on molecular data and morphology. Syst. Bot. 27: 383-395. Scott, P. J. 2004. Diapensiaceae. In: K. Kubitzki et al., eds. 1990+. The Families and Genera of Vascular Plants. 9+ vols. Berlin etc. Vol. 6, pp. 117-121. Scott, P. J. and R. T. Day. 1983. Diapensiaceae: A review of the taxonomy. Taxon 32: 417-423. Wood, C. E. Jr. and R. B. Channell. 1959. The Empetraceae and Diapensiaceae of the southeastern United States. J. Arnold Arbor. 40: 161-171. Xi, Y. Z. and Tang Y. C. 1990. Pollen morphology and phylogenetic relationships in the Diapensiaceae. Cathaya 2: 89-112.

  • Provided by: [B].Flora of North America @ efloras.org
    • Source: [
    • 2
    • ]. 

     Information From

    Flora Of CHina @ efloras.org
    'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • A Missouri Botanical Garden
    Flora of North America @ efloras.org
    'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
    • B Flora of North America Association
    World Flora Online Data. 2017.
    • C CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    World Flora Online Data. 2018.
    • D CC0 1.0 Universal (CC0 1.0).