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Hansen & Rahn | Family List

Calycanthaceae Lindley

habit
woody plants

distribution
Asian, North American

leaf: position
opposite or verticillate

leaf: nature
not compound

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

margin
with entire margin

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

leaf: stipules
absent

inflorescence
solitary

flower: sexuality
bisexual

flower: symmetry
actinomorphic

flower: receptacle
enlarged, totally or partially free from the ovary

flower: disc
absent

flower: perianth number
7+

flower: perianth nature
perianth of similar segments

flower: sepal number
6+

flower: sepal position
all free from one another

flower: sepal nature
sepals imbricate or contorted

flower: petal number
11+

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

stamen: number
11+

stamen: anthers
basifixed, extrorse, opening by longitudinal slits

stamen: filaments
free from the corolla, not connate

stamen: other characters
staminodia present

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

pistil: carpel
6+

pistil: ovary
1-locular

pistil: ovule
1 in each loculus, 2 in each loculus

pistil
carpels free from each other or carpel 1, ovules attached to the central axis or ventrally in apocarpae, ovules attached to the base of the ovary

fruit: type
a nut

fruit: seed
1 seed

seed: cotyledons
folded or crumpled

seed: endosperm
seeds without endosperm


 

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