1. Dipterocarpaceae Blume

    1. This family is accepted.

[FZ]

Dipterocarpaceae, P. Duvigneaud. Flora Zambesiaca 1:2. 1961

Habit
Trees or shrubs
Leaves
Leaves alternate, petiolate, entire, penninerved, in African species always with an extra-floral nectary at the base of the midrib on the upper face of the lamina; stipules caducous
Flowers
Flowers actinomorphic, bisexual
Calyx
Sepals 5, accrescent
Corolla
Petals 5, contorted to the right, free or slightly connate at the base
Androecium
Stamens 5, 10, 15 or numerous (always numerous in African species)
Gynoecium
Ovary superior, (1) 3-locular with axile or parietal placentation; carpels (1) 3, 2-ovulate
Fruits
Fruit 1-seeded, indehiscent, surrounded by the wings (always 5 in the African species) of the accrescent calyx
[FTEA]

Dipterocarpaceae, B. Verdcourt. Flora of Tropical East Africa. 1989

Habit
Small to large usually resinous mostly buttressed trees; indumentum various but often of fasciculate hairs, frequently glandular
Leaves
Leaves alternate, simple, entire or sinuate at margin; stipules paired, large or small, persistent or soon falling
Flowers
Flowers ?, regular, in axillary or terminal branched panicles, racemose or less often cymose; bracts and bracteoles paired, persistent or soon falling
Calyx
Calyx persistent; lobes imbricate or valvate, free or fused at the base; 2–5 lobes usually accrescent into very distinct wings in fruiting state
Corolla
Corolla-lobes 5, contorted, connate at base or free
Androecium
Stamens 5 to over 100; filaments free or connate; anthers 2-thecous, introrse or laterally dehiscent
Gynoecium
Ovary superior or semi-inferior, partly unilocular or (2–)3–5-locular (4 in the sole S. American genus); ovules 2(–4) in each locule, axile or parietal
Fruits
Fruit indehiscent, usually 1-seeded with woody pericarp, usually with 2–5 persistent wing-like sepals but not accrescent in a few genera
[FWTA]

Dipterocarpaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:1. 1954

Habit
Trees with resinous wood
Leaves
Leaves alternate, entire, penninerved; indumentum often of two kinds, of stellate hairs or rarely of peltáte scales; stipules mostly small and deciduous, sometimes very large and enclosing the young bud, rarely persistent, leaving an annular scar after falling away
Flowers
Flowers hermaphrodite, actinomorphic, fragrant, in axillary panicles
Calyx
Calyx-tube short or well developed, free or adnate to the ovary; lobes 5, imbricate or valvate, mostly greatly enlarged, wing-like, and ascending in fruit and then strongly nervose, rarely small and reflexed or spreading
Corolla
Petals 5, much contorted, free or slightly connate at the base, often hairy and inconspicuous
Androecium
Stamens rarely definite, hypogynous or subperigynous; filaments short, often dilated at the base; anthers 2-celled, opening lengthwise; connective mucronate or aristate or club-shaped
Gynoecium
Ovary inserted on the broad torus or slightly immersed in it, 3-celled; style subulate or variously thickened, entire or 3-lobed; ovules 2 in each cell
Fruits
Fruit free from or included in the enlarged calyx-tube, rarely closely adnate to it, indehiscent, usually 1-seeded
Seeds
Seeds without endosperm; cotyledons thick and equal or variously contorted

Images

Dipterocarpaceae Blume appears in other Kew resources:

First published in Bijdr. Fl. Ned. Ind. 4: 222. 1825 (1825)

Accepted by

  • APG IV (2016) http://dx.doi.org/10.1111/boj.12385

Sources

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of West Tropical Africa
Flora of West Tropical Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0