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Hansen & Rahn | Family List

Callitrichaceae Link

habit
herbaceous plants

important diagnostics
aquatic plants, leaves floating or submerged

hairs
glandular, stellate, stellate

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

leaf: position
opposite or verticillate

leaf: nature
not compound

leaf: venation
longitudinal in leaves or leaflets

margin
with entire margin, dentate

leaf: stipules
absent

inflorescence
solitary

flower: sexuality
unisexual

flower: symmetry
actinomorphic

flower: receptacle
small

flower: disc
absent

flower: perianth number
0

flower: sepal number
0

flower: petal number
0

stamen: number
1

stamen: anthers
basifixed, introrse, extrorse, opening by longitudinal slits

stamen: filaments
free from the corolla, not connate

pistil: style
styles absent, stigmas sessile, styles more than 1, free

pistil: carpel
2

pistil: ovary
4-locular

pistil: ovule
1 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, fleshy

fruit: seed
1 seed, 3+ seeds

seed: embryo
straight

seed: endosperm
seeds with endosperm


 

Related Objects  

Flora of China  
  • Callitrichaceae.pdf
  • PDF

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