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Hansen & Rahn | Family List

Hydnoraceae C. Agardh

habit
herbaceous plants

important diagnostics
chlorophyll absent

distribution
African, South American

leaf: nature
not compound

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
3, 4, 5

flower: perianth nature
perianth of similar segments

flower: sepal number
3, 4, 5

flower: sepal position
all free from one another, connate

flower: sepal nature
sepals valvate

flower: petal number
0

stamen: number
3, 4, 5, 11+

stamen: anthers
introrse, extrorse, opening by longitudinal slits, 1-locular at anthesis

stamen: filaments
connate into 1 tube or bundle

stamen: other characters
staminodia present

pistil: style
styles absent, stigmas sessile

pistil: carpel
3

pistil: ovary
1-locular

pistil: ovule
3+ in each loculus

pistil
ovules parietal, carpels connate, ovules attached to the apex of the ovary

fruit: type
a capsule, fleshy

fruit: seed
3+ seeds

seed: endosperm
seeds with endosperm


 

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