Crypteroniaceae A.DC.

First published in Prodr. [A. P. de Candolle] 16(2): 677. 1868 (1868)nom. cons.
This family is accepted


Timothy M. A. Utteridge and Laura V. S. Jennings (2022). Trees of New Guinea. Kew Publishing. Royal Botanic Gardens, Kew

A pantropical family of three genera and 10 species, with a distribution ranging from Sri Lanka throughout Malesia and South-East Asia to New Guinea; the centre of diversity appears to be in Borneo. Crypteroniaceae are found in lowland and montane forests to 1300 m. The family is sister to Alzateaceae and Peneaceae.
Morphology General Habit
Evergreen trees
Morphology Branches
Young branchlets often with ribs or wings, nodes thickened, with a faint intrapetiolar line
Morphology Leaves Stipules
Stipules rudimentary or absent
Morphology Leaves
Leaves opposite, petiolate, simple, entire, elliptic, ovate or lanceolate, pinnately veined, often with an intra-marginal vein
Morphology Reproductive morphology Inflorescences
Inflorescence terminal or axillary, pendulous or erect, elongated spikes, racemes or panicles, many-flowered
Morphology Reproductive morphology Flowers
Flowers actinomorphic, bisexual or unisexual (plants polygamodioecious), small (max. 4 mm across), 4–6-merous, peri- to epigynous; receptacle cupular or campanulate; calyx lobes triangular; petals hood-like in bud, enclosing the stamens, or absent, falling early; stamens in a single whorl, equal in number to petals (in New Guinea) inflexed in bud, exserted at maturity, anthers dorsifixed, dehiscence lengthwise; ovary superior or semi-superior, 2–6-locular, placentation parietal, septal or basal; style persistent, stigma linear or capitate
Morphology Reproductive morphology Fruits
Fruit a loculicidal capsule
Morphology Reproductive morphology Seeds
Seeds usually many, flattened with a membranous wing, lacking endosperm.


  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at and
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants.
  • Trees of New Guinea

    • Trees of New Guinea