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Hansen & Rahn | Family List

Dipterocarpaceae Blume

habit
woody plants

hairs
glandular, stellate, tufted, non-glandular, peltate or scale-like

distribution
African, Asian

leaf: position
alternate

leaf: nature
not compound

leaf: venation
pinnate or hardly visible in leaves or leaflets.

margin
with entire margin

leaf: stipules
present

inflorescence
compound, sympodial or monopodial

flower: sexuality
bisexual

flower: symmetry
actinomorphic

flower: receptacle
small, enlarged, completely united with the ovary, totally or partially covering it, enlarged, conical or hemispherical

flower: disc
absent

flower: perianth number
7+

flower: perianth nature
perianth of calyx and corolla

flower: sepal number
5

flower: sepal position
all free from one another

flower: sepal nature
sepals imbricate or contorted, sepals valvate

flower: petal number
5

flower: petal position
all free from one another, petals connate

flower: petal nature
petals contorted

stamen: number
5, 11+

stamen: symmetry
the same number as and opposite the petals or alternate with the sepals

stamen: anthers
dorsifixed or ventrifixed, basifixed, introrse, opening by longitudinal slits, opening by apical pores, opening by valves

stamen: filaments
free from the corolla, not connate, connate into 1 tube or bundle

stamen: other characters
anthers with a conspicuous appendage

pistil: style
style 1, or styles more or less connate

pistil: carpel
3

pistil: ovary
3-locular

pistil: ovule
2 in each loculus

pistil
ovules axile, carpels connate, ovules attached to the central axis or ventrally in apocarpae, ovules attached to the apex of the ovary

fruit: type
a nut

fruit: seed
1 seed

seed: cotyledons
folded or crumpled

seed: endosperm
seeds with endosperm


 

Related Objects  

Flora of China  
  • Dipterocarpaceae.pdf
  • PDF

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