Dichapetalaceae Baill.
  • Fl. Bras. 12(1): 365. 1886. (1 Apr. 1886)


Cite taxon page as 'WFO (2020): Dichapetalaceae Baill. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-7000000185. Accessed on: 27 May 2020'

General Information

Small trees or shrubs, sometimes scandent shrubs. Leaves simple, alternate; stipules small, deciduous. Inflorescences axillary corymbose cymes, sometimes glomerate capitula; peduncles sometimes adnate with petioles. Flowers small, bisexual, rarely unisexual, actinomorphic or slightly zygomorphic. Sepals 5, free or partly connate, imbricate. Petals 5, free and equal or connate, unequal, apex 2-lobed or subentire. Stamens 5, alternate with petals, free or connate; anthers 2-loculed, dehiscence longitudinal, thickened on back of connective. Disk lobed, with 5 glands or disk annular, margin undulate, glands opposite to petals, free. Ovary superior or inferior, 2- or 3-locular; ovules 2, inverted in each locule; styles ± connate or free. Drupe dry or slightly fleshy; exocarp thin, easily burst. Seeds lacking endosperm; cotyledons fleshy.

  • Provided by: [A].Flora Of CHina @ efloras.org
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    Morphology

    Seeds without endosperm; cotyledons containing starch

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    Leaves alternate, subsessile or petiolate, simple, entire, often provided with glands at the base and below the apex; stipules caducous or persistent

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    Inflorescence of cymes, fascicles or glomerules, often axillary

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    Flowers actinomorphic or zygomorphic, bisexual or rarely unisexual by abortion

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    Sepals 5, ± connate below

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    Shrublets or erect or scandent shrubs or rarely trees

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    Fruits drupaceous, with 3 (often reduced to 2 or 1) ± separate mericarps, 1–2-seeded

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    Stamens (4) 5, all fertile or 2–3 fertile and 2 staminodes; anthers introrse

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    Petals 5, equal (in actinomorphic flowers) or unequal (in zygomorphic flowers), often 2-dentate, 2-lobed or 2-fid at the apex, sometimes united with the stamens at the base

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    Ovary superior or semi-inferior, composed of 2–3 carpels, 2–3-locular, with 2 pendulous ovules in each loculus; style simple, 2–3-lobulate or 2–3-fid at the apex

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    Disk annular or often divided into 5 squamulous hypogynous glands, distinct or connate

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    Petals (4–)5, equal to very unequal, alternating with the sepals, free or nearly so, or, more often, united with the alternating stamens into a very short to distinct tube, entire or bilobed to bicucullate apically

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    Androecium of 2–5 stamens and 0–3 staminodes, opposite the sepals; anthers dithecous, introrse, opening by longitudinal slits, usually with a distinct connective

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    Flowers small, actinomorphic to zygomorphic, (4–)5-merous, bisexual (Africa) to unisexual; pedicel usually articulate, the upper part (the true pedicel) absent to very distinct

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    Sepals (4–)5, subequal to strongly unequal, imbricate, free or shortly united, rarely forming a tube

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    Fruit a drupe with 1–3(–4) 1-seeded free pyrenes, deeply lobed or not; exocarp dehiscent or indehiscent; mesocarp ± fleshy; endocarp indehiscent, usually with a distinct apical, and usually partly ventral, suture, pergamentaceous to woody or bony, hairy inside or not

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    Seeds exalbuminous, rarely with some albumen; testa usually thin, glabrous, rarely hairy; cotyledons usually planoconvex

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    Basal staminodes (disc-glands, disc-lobes, hypogynous glands) 1–5, opposite the petals, free or united into a disc, variously shaped

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    Pistil 2–3(–4)-merous; ovary superior, with 2 collateral pendulous anatropous ovules in each locule, raphe ventral, obturator distinct or not; styles 2–3(–4), free or nearly so, more often almost completely united with free apical parts

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    Stipules present, caducous or persistent, simple, entire, or variously lobed or divided

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    Trees, shrubs, subshrubs or lianas

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    Inflorescences axillary, sometimes arranged on leafless axillary or terminal shoots, cymose, distinctly branched to subglobose, sessile to pedunculate, the peduncle free or adnate to petiole; bracts and bracteoles usually small

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    Leaves alternate, simple, entire, pinnately nerved, often glandular

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    Germination usually hypogeal, first pair of leaves opposite or alternate

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     Information From

    Flora Of CHina @ efloras.org
    http://www.efloras.org/flora_page.aspx?flora_id=2
    '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
    Plants Of the World Online Portal - FTEA
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • B
    Plants Of the World Online Portal - FZ
    https://www.kew.org/science/who-we-are-and-what-we-do/strategic-outputs-2020/plants-of-the-world-online
    http://www.plantsoftheworldonline.org/terms-and-conditions
    • C
    Dichapetalaceae
    World Flora Online Data. 2017.
    • D CC0 1.0 Universal (CC0 1.0).
    World Flora Online consortium
    http://www.worldfloraonline.org/organisation/WFO
    World Flora Online Data. 2018.
    • E CC0 1.0 Universal (CC0 1.0).