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Hansen & Rahn | Family List

Burseraceae Kunth

habit
woody plants

important diagnostics
spiny stems or leaves

hairs
glandular, stellate, stellate, 2-armed or T-shaped, non-glandular, tufted, non-glandular

distribution
African, Asian, Australian and Oceanian, North American, South American

leaf: position
opposite or verticillate, alternate

leaf: nature
not compound, compound, pinnately compound, ternately compound

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

margin
with entire margin, dentate

leaf: epidermis
epidermis of leaf papillose

leaf: glands/ligule
with pellucid or glandular dots or lines

leaf: stipules
absent, present

inflorescence
compound, sympodial or monopodial

flower: sexuality
bisexual, unisexual

flower: symmetry
actinomorphic

flower: receptacle
small

flower: disc
present

flower: perianth number
3, 4, 5, 6, 7+

flower: perianth nature
perianth of similar segments, perianth of calyx and corolla

flower: sepal number
3, 4, 5

flower: sepal position
connate

flower: sepal nature
sepals imbricate or contorted, sepals valvate

flower: petal number
0, 3, 4, 5

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

flower: petal nature
petals valvate

stamen: number
3, 4, 5, 6, 8, 10

stamen: symmetry
flowers obdiplostemonous

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

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

pistil: style
styles absent, stigmas sessile, style 1, or styles more or less connate

pistil: carpel
2, 3, 4, 5

pistil: ovary
2-locular, 3-locular, 4-locular, 5-locular

pistil: ovule
1 in each loculus, 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 capsule, fleshy

fruit: seed
1 seed, 2 seeds, 3+ seeds

seed: embryo
straight, curved

seed: cotyledons
folded or crumpled

seed: endosperm
seeds without endosperm


 

Related Objects  

Flora of China  
  • Burseraceae.pdf
  • PDF

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