A review of dipterocarps - Center for International Forestry Research

Biogeography and Evolutionary Systematics of Dipterocarpaceae
Table 3. (continued) Affinities between Dipterocarpaceae sensu lato and other close angiosperm families.
BOTANICAL CHARACTERS
leaves opposite - - - +
alternate + + + + + + + +
leaf venation prominent pinnate + + + +
vertically transcurrent + + + +
entirely transcurrent and + + + + + +
presence of columns of sclerenchyme -
indistinct leaf venation + + ±
dentate leaves ±
paired basal leaf nerves - - +
stipule ± ± ± - - + + + +
hypodermis (+papillose lower epiderms) - +
1-2 layered hypodermis ± + +
hair (various within a section) stellate ± - -
tufted ± - +
glandules ± - -
complex indumentum + + + +
geniculate petiole + + + +
indumentum + complex anatomy petiole (Malvales type) + + +
rays uniseriate - + - -
biseriate - +
multiseriate + - - -
mixed uni/multiseriate + +
presence of resins + + + -
intercellular resin canals + - - + -
mucilage canals in cortex and cells in the epidermis + + + - +
elongate medullary mucilage cells + + - + +
arrangement of bast fibres * into outwardly tapering wedges + + + +
pith and primary cortex with indumentum + + + +
anomocytic stomata + + + +
complex petiolar vascular supply ± - - -
chromosomes n=7 + + (+) (+) (+) - -
n=11 + - - - -
±: present and other possibilities;
+: present;
-: absent;
Dipterocarpoideae
Dipterocarpaceae*
Monotoideae
sensu lato
Pakaraimoideae
Guttiferae
Theaceae
Tiliaceae
Elaeocarpaceae
Ochnaceae
(-) or (+): exceptions;
* : adapted from Ashton 1982, Maury-Lechon 1979, and other
works (see in text: Classification).
Sarcolaenaceae
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