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Hansen & Rahn | Family List

Dipsacaceae A. L. Jussieu

habit
herbaceous plants

important diagnostics
spiny stems or leaves

hairs
glandular

distribution
African, Asian, European

leaf: position
opposite or verticillate

leaf: nature
not compound, compound, pinnately compound

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

margin
with entire margin, lobed or divided, dentate

leaf: stipules
absent

inflorescence
head

flower: sexuality
bisexual

flower: symmetry
actinomorphic, zygomorphic or irregular

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

flower: disc
absent

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

flower: perianth nature
perianth of calyx and corolla

flower: sepal number
0, 2, 4, 5, 6+

flower: sepal position
all free from one another, connate

flower: sepal nature
sepals valvate

flower: petal number
4, 5, 6

flower: petal position
petals connate, petals imbricate

stamen: number
2, 4

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

stamen: filaments
inserted on the corolla, not connate, connate into separate bundles

stamen: other characters
staminodia present

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

pistil: carpel
1, 2

pistil: ovary
1-locular

pistil: ovule
1 in each loculus

pistil
carpels free from each other or carpel 1, 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
3+ seeds

seed: embryo
straight

seed: endosperm
seeds without endosperm, seeds with endosperm


 

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